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Alprazolam
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TL;DR â Quick Summary
Key facts from the full medication guide below
đŠēWhat it's for
Alprazolam Tablets are contraindicated in patients with known sensitivity to this drug or other benzodiazepines. Alprazolam is contraindicated with ketoconazole and itraconazole, since these medications significantly impair the oxidative metabolism mediated by cytochrome P450 3A (CYP3A) (see WARNINGS and PRECAUTIONS Drug Interactions).
đHow to take it
Dosage should be individualized for maximum beneficial effect. While the usual daily dosages given below will meet the needs of most patients, there will be some who require doses greater than 4 mg/day. In such cases, dosage should be increased cautiously to avoid adverse effects.
âšī¸Common side effects
Side effects to Alprazolam Tablets, if they occur, are generally observed at the beginning of therapy and usually disappear upon continued medication. In the usual patient, the most frequent side effects are likely to be an extension of the pharmacological activity of alprazolam, eg, drowsiness or light-headedness.
â ī¸Serious risks
Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death [see Warnings, Drug Interactions]. Reserve concomitant prescribing of these drugs for use in patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Follow patients for signs and symptoms of respiratory depression and sedation.
đInteractions & cautions
The initial step in alprazolam metabolism is hydroxylation catalyzed by cytochrome P450 3A (CYP3A). Drugs that inhibit this metabolic pathway may have a profound effect on the clearance of alprazolam. Consequently, alprazolam should be avoided in patients receiving very potent inhibitors of CYP3A. With drugs inhibiting CYP3A to a lesser but still significant degree, alprazolam should be used only with caution and consideration of appropriate dosage reduction.
đĻStorage & missed dose
Store at controlled room temperature 20 to 25 C (68 to 77 F) [see USP].
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Alprazolam Tablets contain alprazolam which is a triazolo analog of the 1,4 benzodiazepine class of central nervous system-active compounds. The chemical name of alprazolam is 8-Chloro-1-methyl-6-phenyl-4H-s-triazolo [4,3- ] [1,4] benzodiazepine. The structural formula is represented to the right: Alprazolam is a white crystalline powder, which is soluble in methanol or ethanol but which has no appreciable solubility in water at physiological pH. Each Alprazolam Tablet, for oral administration, contains 0.25, 0.5, 1 or 2 mg of alprazolam. Alprazolam Tablets, 2 mg, are multi-scored and may be divided as shown below: Inactive ingredients: Cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide and sodium benzoate. In addition, the 0.5 mg tablet contains FD&C Yellow No. 6 and the 1 mg tablet contains FD&C Blue No. 2.
CNS agents of the 1,4 benzodiazepine class presumably exert their effects by binding at stereo specific receptors at several sites within the central nervous system. Their exact mechanism of action is unknown. Clinically, all benzodiazepines cause a dose-related central nervous system depressant activity varying from mild impairment of task performance to hypnosis.
This product's label may have been updated. For current full prescribing information, please visit www.greenstonellc.com. LAB-0005-9.0January 2017 Repackaged by: Proficient Rx LP Thousand Oaks, CA 91320
Alprazolam Tablets are indicated for the management of anxiety disorder (a condition corresponding most closely to the APA Diagnostic and Statistical Manual [DSM-III-R] diagnosis of generalized anxiety disorder) or the short-term relief of symptoms of anxiety. Anxiety or tension associated with the stress of everyday life usually does not require treatment with an anxiolytic. Generalized anxiety disorder is characterized by unrealistic or excessive anxiety and worry (apprehensive expectation) about two or more life circumstances, for a period of 6 months or longer, during which the person has been bothered more days than not by these concerns. At least 6 of the following 18 symptoms are often present in these patients: Motor Tension (trembling, twitching, or feeling shaky; muscle tension, aches, or soreness; restlessness; easy fatigability); Autonomic Hyperactivity (shortness of breath or smothering sensations; palpitations or accelerated heart rate; sweating, or cold clammy hands; dry mouth; dizziness or light-headedness; nausea, diarrhea, or other abdominal distress; flushes or chills; frequent urination; trouble swallowing or 'lump in throat'); Vigilance and Scanning (feeling keyed up or on edge; exaggerated startle response; difficulty concentrating or 'mind going blank' because of anxiety; trouble falling or staying asleep; irritability). These symptoms must not be secondary to another psychiatric disorder or caused by some organic factor. Anxiety associated with depression is responsive to alprazolam.
The successful treatment of many panic disorder patients has required the use of alprazolam at doses greater than 4 mg daily. In controlled trials conducted to establish the efficacy of alprazolam in panic disorder, doses in the range of 1 to 10 mg daily were used. The mean dosage employed was approximately 5 to 6 mg daily. Among the approximately 1700 patients participating in the panic disorder development program, about 300 received alprazolam in dosages of greater than 7 mg/day, including approximately 100 patients who received maximum dosages of greater than 9 mg/day. Occasional patients required as much as 10 mg a day to achieve a successful response.
Alprazolam Tablets are contraindicated in patients with known sensitivity to this drug or other benzodiazepines. Alprazolam is contraindicated with ketoconazole and itraconazole, since these medications significantly impair the oxidative metabolism mediated by cytochrome P450 3A (CYP3A) (see WARNINGS and PRECAUTIONS Drug Interactions).
Concomitant use of benzodiazepines, including alprazolam, and opioids may result in profound sedation, respiratory depression, coma, and death. Because of these risks, reserve concomitant prescribing of these drugs for use in patients for whom alternative treatment options are inadequate. Observational studies have demonstrated that concomitant use of opioid analgesics and benzodiazepines increases the risk of drug-related mortality compared to use of opioids alone. If a decision is made to prescribe alprazolam concomitantly with opioids, prescribe the lowest effective dosages and minimum durations of concomitant use, and follow patients closely for signs and symptoms of respiratory depression and sedation. In patients already receiving an opioid analgesic, prescribe a lower initial dose of alprazolam than indicated in the absence of an opioid and titrate based on clinical response. If an opioid is initiated in a patient already taking alprazolam, prescribe a lower initial dose of the opioid and titrate based upon clinical response. Advise both patients and caregivers about the risks of respiratory depression and sedation when alprazolam is used with opioids. Advise patients not to drive or operate heavy machinery until the effects of concomitant use with the opioid have been determined [see Drug Interactions].
Certain adverse clinical events, some life-threatening, are a direct consequence of physical dependence to Alprazolam. These include a spectrum of withdrawal symptoms; the most important is seizure (see DRUG ABUSE AND DEPENDENCE). Even after relatively short-term use at the doses recommended for the treatment of transient anxiety and anxiety disorder (ie, 0.75 to 4.0 mg per day), there is some risk of dependence. Spontaneous reporting system data suggest that the risk of dependence and its severity appear to be greater in patients treated with doses greater than 4 mg/day and for long periods (more than 12 weeks). However, in a controlled postmarketing discontinuation study of panic disorder patients, the duration of treatment (3 months compared to 6 months) had no effect on the ability of patients to taper to zero dose. In contrast, patients treated with doses of Alprazolam greater than 4 mg/day had more difficulty tapering to zero dose than those treated with less than 4 mg/day.
The medical event voluntary reporting system shows that withdrawal seizures have been reported in association with the discontinuation of Alprazolam. In most cases, only a single seizure was reported; however, multiple seizures and status epilepticus were reported as well.
Early morning anxiety and emergence of anxiety symptoms between doses of Alprazolam have been reported in patients with panic disorder taking prescribed maintenance doses of alprazolam. These symptoms may reflect the development of tolerance or a time interval between doses which is longer than the duration of clinical action of the administered dose. In either case, it is presumed that the prescribed dose is not sufficient to maintain plasma levels above those needed to prevent relapse, rebound or withdrawal symptoms over the entire course of the interdosing interval. In these situations, it is recommended that the same total daily dose be given divided as more frequent administrations (see DOSAGE AND ADMINISTRATION).
Withdrawal reactions may occur when dosage reduction occurs for any reason. This includes purposeful tapering, but also inadvertent reduction of dose (eg, the patient forgets, the patient is admitted to a hospital). Therefore, the dosage of alprazolam should be reduced or discontinued gradually (see DOSAGE AND ADMINISTRATION).
Because of its CNS depressant effects, patients receiving alprazolam should be cautioned against engaging in hazardous occupations or activities requiring complete mental alertness such as operating machinery or driving a motor vehicle. For the same reason, patients should be cautioned about the simultaneous ingestion of alcohol and other CNS depressant drugs during treatment with alprazolam.
Benzodiazepines can potentially cause fetal harm when administered to pregnant women. If alprazolam is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to the fetus. Because of experience with other members of the benzodiazepine class, alprazolam is assumed to be capable of causing an increased risk of congenital abnormalities when administered to a pregnant woman during the first trimester. Because use of these drugs is rarely a matter of urgency, their use during the first trimester should almost always be avoided. The possibility that a woman of childbearing potential may be pregnant at the time of institution of therapy should be considered. Patients should be advised that if they become pregnant during therapy or intend to become pregnant they should communicate with their physicians about the desirability of discontinuing the drug.
The initial step in alprazolam metabolism is hydroxylation catalyzed by cytochrome P450 3A (CYP3A). Drugs that inhibit this metabolic pathway may have a profound effect on the clearance of alprazolam. Consequently, alprazolam should be avoided in patients receiving very potent inhibitors of CYP3A. With drugs inhibiting CYP3A to a lesser but still significant degree, alprazolam should be used only with caution and consideration of appropriate dosage reduction. For some drugs, an interaction with alprazolam has been quantified with clinical data; for other drugs, interactions are predicted from in vitro data and/or experience with similar drugs in the same pharmacologic class. The following are examples of drugs known to inhibit the metabolism of alprazolam and/or related benzodiazepines, presumably through inhibition of CYP3A.
Laboratory tests are not ordinarily required in otherwise healthy patients. However, when treatment is protracted, periodic blood counts, urinalysis, and blood chemistry analyses are advisable in keeping with good medical practice.
Although interactions between benzodiazepines and commonly employed clinical laboratory tests have occasionally been reported, there is no consistent pattern for a specific drug or specific test.
No evidence of carcinogenic potential was observed during 2-year bioassay studies of alprazolam in rats at doses up to 30 mg/kg/day (150 times the maximum recommended daily human dose of 10 mg/day) and in mice at doses up to 10 mg/kg/day (50 times the maximum recommended daily human dose). Alprazolam was not mutagenic in the rat micronucleus test at doses up to 100 mg/kg, which is 500 times the maximum recommended daily human dose of 10 mg/day. Alprazolam also was not mutagenic in vitro in the DNA Damage/Alkaline Elution Assay or the Ames Assay. Alprazolam produced no impairment of fertility in rats at doses up to 5 mg/kg/day, which is 25 times the maximum recommended daily human dose of 10 mg/day.
See WARNINGS section.
It should be considered that the child born of a mother who is receiving benzodiazepines may be at some risk for withdrawal symptoms from the drug during the postnatal period. Also, neonatal flaccidity and respiratory problems have been reported in children born of mothers who have been receiving benzodiazepines.
Alprazolam has no established use in labor or delivery.
Benzodiazepines are known to be excreted in human milk. It should be assumed that alprazolam is as well. Chronic administration of diazepam to nursing mothers has been reported to cause their infants to become lethargic and to lose weight. As a general rule, nursing should not be undertaken by mothers who must use alprazolam.
Safety and effectiveness of Alprazolam in individuals below 18 years of age have not been established.
The elderly may be more sensitive to the effects of benzodiazepines. They exhibit higher plasma alprazolam concentrations due to reduced clearance of the drug as compared with a younger population receiving the same doses. The smallest effective dose of alprazolam should be used in the elderly to preclude the development of ataxia and oversedation (see CLINICAL PHARMACOLOGY and DOSAGE AND ADMINISTRATION).
Side effects to Alprazolam Tablets, if they occur, are generally observed at the beginning of therapy and usually disappear upon continued medication. In the usual patient, the most frequent side effects are likely to be an extension of the pharmacological activity of alprazolam, eg, drowsiness or light-headedness. The data cited in the two tables below are estimates of untoward clinical event incidence among patients who participated under the following clinical conditions: relatively short duration (ie, four weeks) placebo-controlled clinical studies with dosages up to 4 mg/day of alprazolam (for the management of anxiety disorders or for the short-term relief of the symptoms of anxiety) and short-term (up to ten weeks) placebo-controlled clinical studies with dosages up to 10 mg/day of alprazolam in patients with panic disorder, with or without agoraphobia. These data cannot be used to predict precisely the incidence of untoward events in the course of usual medical practice where patient characteristics, and other factors often differ from those in clinical trials. These figures cannot be compared with those obtained from other clinical studies involving related drug products and placebo as each group of drug trials are conducted under a different set of conditions. Comparison of the cited figures, however, can provide the prescriber with some basis for estimating the relative contributions of drug and non-drug factors to the untoward event incidence in the population studied. Even this use must be approached cautiously, as a drug may relieve a symptom in one patient but induce it in others. (For example, an anxiolytic drug may relieve dry mouth [a symptom of anxiety] in some subjects but induce it [an untoward event] in others.) Additionally, for anxiety disorders the cited figures can provide the prescriber with an indication as to the frequency with which physician intervention (eg, increased surveillance, decreased dosage or discontinuation of drug therapy) may be necessary because of the untoward clinical event.
ANXIETY DISORDERS Treatment-Emergent Symptom Incidence Events reported by 1% or more of alpraozolam patients are included. Incidence of Intervention Because of Symptom ALPRAZOLAM PLACEBO ALPRAZOLAM Number of Patients % of Patients Reporting: 565 505 565 Central Nervous System Drowsiness 41.0 21.6 15.1 Light-headedness 20.8 19.3 1.2 Depression 13.9 18.1 2.4 Headache 12.9 19.6 1.1 Confusion 9.9 10.0 0.9 Insomnia 8.9 18.4 1.3 Nervousness 4.1 10.3 1.1 Syncope 3.1 4.0 None reported Dizziness 1.8 0.8 2.5 Akathisia 1.6 1.2 Tiredness/Sleepiness 1.8 Gastrointestinal Dry Mouth 14.7 13.3 0.7 Constipation 10.4 11.4 0.9 Diarrhea 10.1 10.3 1.2 Nausea/Vomiting 9.6 12.8 1.7 Increased Salivation 4.2 2.4 Cardiovascular Tachycardia/Palpitations 7.7 15.6 0.4 Hypotension 4.7 2.2 Sensory Blurred Vision 6.2 6.2 0.4 Musculoskeletal Rigidity 4.2 5.3 Tremor 4.0 8.8 0.4 Cutaneous Dermatitis/Allergy 3.8 3.1 0.6 Other Nasal Congestion 7.3 9.3 Weight Gain 2.7 2.7 Weight Loss 2.3 3.0 In addition to the relatively common (i.e., greater than 1%) untoward events enumerated in the table above, the following adverse events have been reported in association with the use of benzodiazepines: dystonia, irritability, concentration difficulties, anorexia, transient amnesia or memory impairment, loss of coordination, fatigue, seizures, sedation, slurred speech, jaundice, musculoskeletal weakness, pruritus, diplopia, dysarthria, changes in libido, menstrual irregularities, incontinence and urinary retention.
PANIC DISORDER Treatment-Emergent Symptom Incidence Events reported by 1% or more of alprazolam patients are included. ALPRAZOLAM PLACEBO Number of Patients % of Patients Reporting: 1388 1231 Central Nervous System Drowsiness 76.8 42.7 Fatigue and Tiredness 48.6 42.3 Impaired Coordination 40.1 17.9 Irritability 33.1 30.1 Memory Impairment 33.1 22.1 Light-headedness/Dizziness 29.8 36.9 Insomnia 29.4 41.8 Headache 29.2 35.6 Cognitive Disorder 28.8 20.5 Dysarthria 23.3 6.3 Anxiety 16.6 24.9 Abnormal Involuntary Movement 14.8 21.0 Decreased Libido 14.4 8.0 Depression 13.8 14.0 Confusional State 10.4 8.2 Muscular Twitching 7.9 11.8 Increased Libido 7.7 4.1 Change in Libido (Not Specified) 7.1 5.6 Weakness 7.1 8.4 Muscle Tone Disorders 6.3 7.5 Syncope 3.8 4.8 Akathisia 3.0 4.3 Agitation 2.9 2.6 Disinhibition 2.7 1.5 Paresthesia 2.4 3.2 Talkativeness 2.2 1.0 Vasomotor Disturbances 2.0 2.6 Derealization 1.9 1.2 Dream Abnormalities 1.8 1.5 Fear 1.4 1.0 Feeling Warm 1.3 0.5 Gastrointestinal Decreased Salivation 32.8 34.2 Constipation 26.2 15.4 Nausea/Vomiting 22.0 31.8 Diarrhea 20.6 22.8 Abdominal Distress 18.3 21.5 Increased Salivation 5.6 4.4 Cardio-Respiratory Nasal Congestion 17.4 16.5 Tachycardia 15.4 26.8 Chest Pain 10.6 18.1 Hyperventilation 9.7 14.5 Upper Respiratory Infection 4.3 3.7 Sensory Blurred Vision 21.0 21.4 Tinnitus 6.6 10.4 Musculoskeletal Muscular Cramps 2.4 2.4 Muscle Stiffness 2.2 3.3 Cutaneous Sweating 15.1 23.5 Rash 10.8 8.1 Other Increased Appetite 32.7 22.8 Decreased Appetite 27.8 24.1 Weight Gain 27.2 17.9 Weight Loss 22.6 16.5 Micturition Difficulties 12.2 8.6 Menstrual Disorders 10.4 8.7 Sexual Dysfunction 7.4 3.7 Edema 4.9 5.6 Incontinence 1.5 0.6 Infection 1.3 1.7 In addition to the relatively common (ie, greater than 1%) untoward events enumerated in the table above, the following adverse events have been reported in association with the use of alprazolam: seizures, hallucinations, depersonalization, taste alterations, diplopia, elevated bilirubin, elevated hepatic enzymes, and jaundice. Panic disorder has been associated with primary and secondary major depressive disorders and increased reports of suicide among untreated patients (see PRECAUTIONS, General).
In a larger database comprised of both controlled and uncontrolled studies in which 641 patients received alprazolam, discontinuation-emergent symptoms which occurred at a rate of over 5% in patients treated with alprazolam and at a greater rate than the placebo treated group were as follows: DISCONTINUATION-EMERGENT SYMPTOM INCIDENCE Percentage of Alprazolam-Treated Panic Disorder Patients Reporting Events Body System/Event Neurologic Gastrointestinal Insomnia 29.5 Nausea/Vomiting 16.5 Light-headedness 19.3 Diarrhea 13.6 Abnormal involuntary movement 17.3 Decreased salivation 10.6 Headache 17.0 Metabolic-Nutritional Muscular twitching 6.9 Weight loss 13.3 Impaired coordination 6.6 Decreased appetite 12.8 Muscle tone disorders 5.9 Weakness 5.8 Dermatological Psychiatric Sweating 14.4 Anxiety 19.2 Fatigue and Tiredness 18.4 Cardiovascular Irritability 10.5 Tachycardia 12.2 Cognitive disorder 10.3 Memory impairment 5.5 Special Senses Depression 5.1 Blurred vision 10.0 Confusional state 5.0 From the studies cited, it has not been determined whether these symptoms are clearly related to the dose and duration of therapy with alprazolam in patients with panic disorder. There have also been reports of withdrawal seizures upon rapid decrease or abrupt discontinuation of Alprazolam Tablets (see WARNINGS). To discontinue treatment in patients taking alprazolam, the dosage should be reduced slowly in keeping with good medical practice. It is suggested that the daily dosage of alprazolam be decreased by no more than 0.5 mg every three days (see DOSAGE AND ADMINISTRATION). Some patients may benefit from an even slower dosage reduction. In a controlled postmarketing discontinuation study of panic disorder patients which compared this recommended taper schedule with a slower taper schedule, no difference was observed between the groups in the proportion of patients who tapered to zero dose; however, the slower schedule was associated with a reduction in symptoms associated with a withdrawal syndrome. As with all benzodiazepines, paradoxical reactions such as stimulation, increased muscle spasticity, sleep disturbances, hallucinations and other adverse behavioral effects such as agitation, rage, irritability, and aggressive or hostile behavior have been reported rarely. In many of the spontaneous case reports of adverse behavioral effects, patients were receiving other CNS drugs concomitantly and/or were described as having underlying psychiatric conditions. Should any of the above events occur, alprazolam should be discontinued. Isolated published reports involving small numbers of patients have suggested that patients who have borderline personality disorder, a prior history of violent or aggressive behavior, or alcohol or substance abuse may be at risk for such events. Instances of irritability, hostility, and intrusive thoughts have been reported during discontinuation of alprazolam in patients with posttraumatic stress disorder.
Various adverse drug reactions have been reported in association with the use of alprazolam since market introduction. The majority of these reactions were reported through the medical event voluntary reporting system. Because of the spontaneous nature of the reporting of medical events and the lack of controls, a causal relationship to the use of alprazolam cannot be readily determined. Reported events include: gastrointestinal disorder, hypomania, mania, liver enzyme elevations, hepatitis, hepatic failure, Stevens-Johnson syndrome, photosensitivity reaction, angioedema, peripheral edema, hyperprolactinemia, gynecomastia, and galactorrhea (see PRECAUTIONS).
Withdrawal symptoms similar in character to those noted with sedative/hypnotics and alcohol have occurred following discontinuance of benzodiazepines, including alprazolam. The symptoms can range from mild dysphoria and insomnia to a major syndrome that may include abdominal and muscle cramps, vomiting, sweating, tremors and convulsions. Distinguishing between withdrawal emergent signs and symptoms and the recurrence of illness is often difficult in patients undergoing dose reduction. The long term strategy for treatment of these phenomena will vary with their cause and the therapeutic goal. When necessary, immediate management of withdrawal symptoms requires re-institution of treatment at doses of alprazolam sufficient to suppress symptoms. There have been reports of failure of other benzodiazepines to fully suppress these withdrawal symptoms. These failures have been attributed to incomplete cross-tolerance but may also reflect the use of an inadequate dosing regimen of the substituted benzodiazepine or the effects of concomitant medications. While it is difficult to distinguish withdrawal and recurrence for certain patients, the time course and the nature of the symptoms may be helpful. A withdrawal syndrome typically includes the occurrence of new symptoms, tends to appear toward the end of taper or shortly after discontinuation, and will decrease with time. In recurring panic disorder, symptoms similar to those observed before treatment may recur either early or late, and they will persist. While the severity and incidence of withdrawal phenomena appear to be related to dose and duration of treatment, withdrawal symptoms, including seizures, have been reported after only brief therapy with alprazolam at doses within the recommended range for the treatment of anxiety (eg, 0.75 to 4 mg/day). Signs and symptoms of withdrawal are often more prominent after rapid decrease of dosage or abrupt discontinuance. The risk of withdrawal seizures may be increased at doses above 4 mg/day (see WARNINGS). Patients, especially individuals with a history of seizures or epilepsy, should not be abruptly discontinued from any CNS depressant agent, including alprazolam. It is recommended that all patients on alprazolam who require a dosage reduction be gradually tapered under close supervision (see WARNINGS and DOSAGE AND ADMINISTRATION). Psychological dependence is a risk with all benzodiazepines, including alprazolam. The risk of psychological dependence may also be increased at doses greater than 4 mg/day and with longer term use, and this risk is further increased in patients with a history of alcohol or drug abuse. Some patients have experienced considerable difficulty in tapering and discontinuing from alprazolam, especially those receiving higher doses for extended periods. Addiction-prone individuals should be under careful surveillance when receiving alprazolam. As with all anxiolytics, repeat prescriptions should be limited to those who are under medical supervision.
Alprazolam is a controlled substance under the Controlled Substance Act by the Drug Enforcement Administration and Alprazolam Tablets have been assigned to Schedule IV.
Manifestations of alprazolam overdosage include somnolence, confusion, impaired coordination, diminished reflexes and coma. Death has been reported in association with overdoses of alprazolam by itself, as it has with other benzodiazepines. In addition, fatalities have been reported in patients who have overdosed with a combination of a single benzodiazepine, including alprazolam, and alcohol; alcohol levels seen in some of these patients have been lower than those usually associated with alcohol-induced fatality. The acute oral LD50 in rats is 331 2171 mg/kg. Other experiments in animals have indicated that cardiopulmonary collapse can occur following massive intravenous doses of alprazolam (over 195 mg/kg; 975 times the maximum recommended daily human dose of 10 mg/day). Animals could be resuscitated with positive mechanical ventilation and the intravenous infusion of norepinephrine bitartrate. Animal experiments have suggested that forced diuresis or hemodialysis are probably of little value in treating overdosage.
Overdosage reports with Alprazolam Tablets are limited. As in all cases of drug overdosage, respiration, pulse rate, and blood pressure should be monitored. General supportive measures should be employed, along with immediate gastric lavage. Intravenous fluids should be administered and an adequate airway maintained. If hypotension occurs, it may be combated by the use of vasopressors. Dialysis is of limited value. As with the management of intentional overdosing with any drug, it should be borne in mind that multiple agents may have been ingested. Flumazenil, a specific benzodiazepine receptor antagonist, is indicated for the complete or partial reversal of the sedative effects of benzodiazepines and may be used in situations when an overdose with a benzodiazepine is known or suspected. Prior to the administration of flumazenil, necessary measures should be instituted to secure airway, ventilation and intravenous access. Flumazenil is intended as an adjunct to, not as a substitute for, proper management of benzodiazepine overdose. Patients treated with flumazenil should be monitored for re-sedation, respiratory depression, and other residual benzodiazepine effects for an appropriate period after treatment. The prescriber should be aware of a risk of seizure in association with flumazenil treatment, particularly in long-term benzodiazepine users and in cyclic antidepressant overdose. The complete flumazenil package insert including CONTRAINDICATIONS, WARNINGS and PRECAUTIONS should be consulted prior to use.
Dosage should be individualized for maximum beneficial effect. While the usual daily dosages given below will meet the needs of most patients, there will be some who require doses greater than 4 mg/day. In such cases, dosage should be increased cautiously to avoid adverse effects.
Treatment for patients with anxiety should be initiated with a dose of 0.25 to 0.5 mg given three times daily. The dose may be increased to achieve a maximum therapeutic effect, at intervals of 3 to 4 days, to a maximum daily dose of 4 mg, given in divided doses. The lowest possible effective dose should be employed and the need for continued treatment reassessed frequently. The risk of dependence may increase with dose and duration of treatment. In all patients, dosage should be reduced gradually when discontinuing therapy or when decreasing the daily dosage. Although there are no systematically collected data to support a specific discontinuation schedule, it is suggested that the daily dosage be decreased by no more than 0.5 mg every 3 days. Some patients may require an even slower dosage reduction.
In elderly patients, in patients with advanced liver disease or in patients with debilitating disease, the usual starting dose is 0.25 mg, given two or three times daily. This may be gradually increased if needed and tolerated. The elderly may be especially sensitive to the effects of benzodiazepines. If side effects occur at the recommended starting dose, the dose may be lowered.
Alprazolam tablets are available as follows: 2 mg (white, oblong, multi-scored, imprinted "G3722") Bottles of 30 NDC 63187-971-30 Bottles of 60 NDC 63187-971-60 Bottles of 90 NDC 63187-971-90
Store at controlled room temperature 20 to 25 C (68 to 77 F) [see USP].
When rats were treated with alprazolam at 3, 10, and 30 mg/kg/day (15 to 150 times the maximum recommended human dose) orally for 2 years, a tendency for a dose related increase in the number of cataracts was observed in females and a tendency for a dose related increase in corneal vascularization was observed in males. These lesions did not appear until after 11 months of treatment.
MEDICATION GUIDE ALPRAZOLAM Tablets, C-IV What is the most important information I should know about alprazolam? Alprazolam is a benzodiazepine medicine. Taking benzodiazepines with opioid medicines, alcohol, or other central nervous system depressants (including street drugs) can cause severe drowsiness, breathing problems (respiratory depression), coma and death. Alprazolam can make you sleepy or dizzy, and can slow your thinking and motor skills. Do not drive, operate heavy machinery, or do other dangerous activities until you know how alprazolam affects you. Do not drink alcohol or take other drugs that may make you sleepy or dizzy while taking alprazolam without first talking to your healthcare provider. When taken with alcohol or drugs that cause sleepiness or dizziness, alprazolam may make your sleepiness or dizziness much worse. Do not take more alprazolam than prescribed. What is alprazolam? Alprazolam is a prescription medicine used: to treat anxiety disorders for the short-term relief of the symptoms of anxiety to treat panic disorder with or without a fear of places and situations that might cause panic, helplessness, or embarrassment (agoraphobia) Alprazolam is a federal controlled substance (C-IV) because it can be abused or lead to dependence. Keep alprazolam in a safe place to prevent misuse and abuse. Selling or giving away alprazolam may harm others, and is against the law. Tell your healthcare provider if you have abused or been dependent on alcohol, prescription medicines or street drugs. It is not known if alprazolam is safe and effective in children. Elderly patients are especially susceptible to dose related adverse effects when taking alprazolam. It is not known if alprazolam is safe and effective when used to treat anxiety disorder for longer than 4 months. It is not known if alprazolam is safe and effective when used to treat panic disorder for longer than 10 weeks. Do not take alprazolam if: you are allergic to alprazolam, other benzodiazepines, or any of the ingredients in alprazolam. See the end of this Medication Guide for a complete list of ingredients in alprazolam. you are taking antifungal medicines including ketoconazole and itraconazole Before you take alprazolam, tell your healthcare provider about all of your medical conditions, including if you: have or have had depression, mood problems, or suicidal thoughts or behavior have liver or kidney problems have lung disease or breathing problems are pregnant or plan to become pregnant. Alprazolam may harm your unborn baby. You and your healthcare provider should decide if you should take alprazolam while you are pregnant. are breastfeeding or plan to breastfeed. Alprazolam passes into your breast milk and may harm your baby. Talk to your healthcare provider about the best way to feed your baby if you take alprazolam. You should not breastfeed while taking alprazolam. Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Taking alprazolam with certain other medicines can cause side effects or affect how well alprazolam or the other medicines work. Do not start or stop other medicines without talking to your healthcare provider. How should I take alprazolam? See "What is the most important information I should know about alprazolam?" Take alprazolam exactly as your healthcare provider tells you to take it. Your healthcare provider will tell you how much alprazolam to take and when to take it. If you take too much alprazolam, call your healthcare provider or go to the nearest hospital emergency room right away. What should I avoid while taking alprazolam? Alprazolam can cause you to be drowsy. Do not drive a car or operate heavy machinery until you know how alprazolam affects you. You should not drink alcohol while taking alprazolam. Drinking alcohol can increase your chances of having serious side effects. What are the possible side effects of alprazolam? Alprazolam may cause serious side effects, including: See "What is the most important information I should know about alprazolam?" Abuse and dependence. Taking alprazolam can cause physical and psychological dependence. Physical and psychological dependence is not the same as drug addiction. Your healthcare provider can tell you more about the differences between physical and psychological dependence and drug addiction. Withdrawal symptoms. You may have withdrawal symptoms if you stop taking alprazolam suddenly. Withdrawal symptoms can be serious and include seizures. Mild withdrawal symptoms include a depressed mood and trouble sleeping. Talk to your healthcare provider about slowly stopping alprazolam to avoid withdrawal symptoms. Seizures. Stopping alprazolam can cause seizures and seizures that will not stop (status epilepticus). Mania. Alprazolam may cause an increase in activity and talking (hypomania and mania) in people who have depression. The most common side effects of alprazolam include drowsiness and light-headedness. These are not all the possible side effects of alprazolam. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. How should I store alprazolam? Store alprazolam between 68 F to 77 F 20 C to 25 C Keep alprazolam and all medicines out of the reach of children. General information about the safe and effective use of alprazolam. Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use alprazolam for a condition for which it was not prescribed. Do not give alprazolam to other people, even if they have the same symptoms that you have. It may harm them. You can ask your pharmacist or healthcare provider for information about alprazolam that is written for health professionals. What are the ingredients in alprazolam? Active ingredient: alprazolam Inactive ingredients: Cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide and sodium benzoate. In addition, the 0.5 mg tablet contains FD&C Yellow No. 6 and the 1 mg tablet contains FD&C Blue No. 2. This Medication Guide has been approved by the U.S. Food and Drug Administration. This product's label may have been updated. For current full prescribing information, please visit www.greenstonellc.com. LAB-0822-1.0January 2017
ALWAYS DISPENSE WITH MEDICATION GUIDE NDC 63187-971-30 30 Tablets GREENSTONE BRAND alprazolam tablets, USP CIV 2 mg Rx only