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warnings and cautions
5 WARNINGS AND PRECAUTIONS CNS depressant effects: Impaired alertness and motor coordination, including risk of daytime impairment. Caution patients against driving and other activities requiring complete mental alertness ( 5.4 ) The failure of insomnia to remit after 7 to 10 days of treatment may indicate the presence of a primary psychiatric and/or medical illness that should be evaluated. ( 5.5 ) Severe anaphylactic/anaphylactoid reactions: Angioedema and anaphylaxis have been reported. Do not rechallenge if such reactions occur. ( 5.6 ) Sleep driving and other complex behaviors while not fully awake. Risk increases with dose and concomitant CNS depressants and alcohol. Immediately evaluate any new onset behavioral changes ( 5.7 ) Worsening of depression or suicidal thinking may occur: Prescribe the least number of tablets feasible to avoid intentional overdose ( 5.8 ) 5.1 Risks from Concomitant Use with Opioids Concomitant use of benzodiazepines, including Quazepam Tablets, and opioids may result in profound sedation, respiratory depression, coma, and death. Because of these risks, reserve concomitant prescribing of these drugs 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 Quazepam Tablets 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 Quazepam Tablets than indicated in the absence of an opioid and titrate based on clinical response. If an opioid is initiated in a patient already taking Quazepam Tablets, 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 Quazepam Tablets 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 ( 7 )] . 5.2 Abuse, Misuse, and Addiction The use of benzodiazepines, including Quazepam Tablets, exposes users to the risks of abuse, misuse, and addiction, which can lead to overdose or death. Abuse and misuse of benzodiazepines often (but not always) involve the use of doses greater than the maximum recommended dosage and commonly involve concomitant use of other medications, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes, including respiratory depression, overdose, or death [see Drug Abuse and Dependence ( 9.2 )] . Before prescribing Quazepam Tablets and throughout treatment, assess each patient’s risk for abuse, misuse, and addiction (e.g., using a standardized screening tool). Use of Quazepam Tablets, particularly in patients at elevated risk, necessitates counseling about the risks and proper use of Quazepam Tablets along with monitoring for signs and symptoms of abuse, misuse, and addiction. Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. If a substance use disorder is suspected, evaluate the patient and institute (or refer them for) early treatment, as appropriate. 5.3 Dependence and Withdrawal Reactions To reduce the risk of withdrawal reactions, use a gradual taper to discontinue Quazepam Tablets or reduce the dosage (a patient-specific plan should be used to taper the dose) [see Dosage and Administration ( 2.3 )] . Patients at an increased risk of withdrawal adverse reactions after benzodiazepine discontinuation or rapid dosage reduction include those who take higher dosages, and those who have had longer durations of use. Acute Withdrawal Reactions The continued use of benzodiazepines, including Quazepam Tablets, may lead to clinically significant physical dependence. Abrupt discontinuation or rapid dosage reduction of Quazepam Tablets after continued use, or administration of flumazenil (a benzodiazepine antagonist) may precipitate acute withdrawal reactions, which can be life-threatening (e.g., seizures) [see Drug Abuse and Dependence ( 9.3 )] . Protracted Withdrawal Syndrome In some cases, benzodiazepine users have developed a protracted withdrawal syndrome with withdrawal symptoms lasting weeks to more than 12 months [see Drug Abuse and Dependence ( 9.3 )] . 5.4 CNS-Depressant Effects and Daytime Impairment Quazepam Tablet is a central nervous system (CNS) depressant and can impair daytime function in some patients even when used as prescribed. Prescribers should monitor for excess depressant effects, but impairment can occur in the absence of subjective symptoms, and may not be reliably detected by ordinary clinical exam (i.e. less than formal psychomotor testing). While pharmacodynamics tolerance or adaptation to some adverse depressant effects of Quazepam Tablets may develop, patients using Quazepam Tablets should be cautioned against driving or engaging in other hazardous activities or activities requiring complete mental alertness. Additive effects occur with concomitant use of other CNS depressants (e.g., other benzodiazepines, opioids, tricyclic antidepressants, alcohol), including daytime use. Downward dose adjustment of Quazepam Tablets and concomitant CNS depressants should be considered. The potential for adverse drug interactions continues for several days following discontinuation of Quazepam Tablets, until serum levels of both active parent drug and psychoactive metabolites decline. Use of Quazepam Tablets with other sedative-hypnotics is not recommended. Alcohol generally should not be used during treatment with Quazepam Tablets. The risk of next-day psychomotor impairment is increased if Quazepam Tablets is taken with less than a full night of sleep remaining (7 to 8 hours); if higher than the recommended dose is taken; if co-administered with other CNS depressants [see Dosage and Administration ( 2.1 )] . Because Quazepam Tablets can cause drowsiness and a decreased level of consciousness, patients particularly the elderly, are at higher risk of falls. 5.5 Need to Evaluate for Co-morbid Diagnoses Because sleep disturbances may be the presenting manifestation of a physical and/or psychiatric disorder, symptomatic treatment of insomnia should be initiated only after a careful evaluation of the patient. The failure of insomnia to remit after 7 to 10 days of treatment may indicate the presence of a primary psychiatric and/or medical illness that should be evaluated. Worsening of insomnia or the emergence of new thinking or behavior abnormalities may be the consequence of an unrecognized psychiatric or physical disorder. Such findings have emerged during the course of treatment with sedative-hypnotic drugs. 5.6 Severe Anaphylactic and Anaphylactoid Reactions Rare cases of angioedema involving the tongue, glottis or larynx have been reported in patients after taking the first or subsequent doses of sedative-hypnotics, including Quazepam Tablets. Some patients have had additional symptoms such as dyspnea, throat closing, or nausea and vomiting that suggest anaphylaxis. Some patients have required medical therapy in the emergency department. If angioedema involves the tongue, glottis or larynx, airway obstruction may occur and be fatal. Patients who develop angioedema after treatment with Quazepam Tablets should not be rechallenged with the drug. 5.7 Abnormal Thinking and Behavior Changes Abnormal thinking and behavior changes have been reported in patients treated with sedative-hypnotics including Quazepam Tablets. Some of these changes include decreased inhibition (e.g., aggressiveness and extroversion that seemed out of character), bizarre behavior, and depersonalization. Visual and auditory hallucinations have also been reported. Amnesia, and other neuro-psychiatric symptoms may occur. Paradoxical reactions such as stimulation, agitation, increased muscle spasticity, and sleep disturbances may occur unpredictably. Complex behaviors such as "sleep-driving" (i.e., driving while not fully awake, with amnesia for the event) have been reported with use of sedative-hypnotics. These behaviors can occur with initial treatment or in patients previously tolerant of Quazepam Tablets or other sedative-hypnotics. Although these behaviors can occur with use at therapeutic doses, risk is increased by higher doses or concomitant use of alcohol or other CNS depressants. Due to risk to the patient and community, Quazepam Tablets should be discontinued if "sleep-driving" occurs. Other complex behaviors (e.g., preparing and eating food, making phone calls, or having sex) have been reported in patients who are not fully awake after taking a sedative-hypnotic. As with sleep-driving, patients usually do not remember these events. 5.8 Worsening of Depression Benzodiazepines may worsen depression. Consequently, appropriate precautions (e.g., limiting the total prescription size and increased monitoring for suicidal ideation) should be considered. 5.9 Neonatal Sedation and Withdrawal Syndrome Use of Quazepam Tablets late in pregnancy can result in sedation (respiratory depression, lethargy, hypotonia) and/or withdrawal symptoms (hyperreflexia, irritability, restlessness, tremors, inconsolable crying, and feeding difficulties) in the neonate [see Use in Specific Populations ( 8.1 )] . Monitor neonates exposed to Quazepam Tablets during pregnancy or labor for signs of sedation and monitor neonates exposed to Quazepam Tablets during pregnancy for signs of withdrawal; manage these infants accordingly.