temazepam by is a Prescription medication manufactured, distributed, or labeled by H.J. Harkins Company, Inc.. Drug facts, warnings, and ingredients follow.
Temazepam Capsules, USP are indicated for the short-term treatment of insomnia (generally 7 to 10 days).
For patients with short-term insomnia, instructions in the prescription should indicate that Temazepam Capsules should be used for short periods of time (7 to 10 days).
The clinical trials performed in support of efficacy were 2 weeks in duration with the final formal assessment of sleep latency performed at the end of treatment.
Benzodiazepines may cause fetal harm when administered to a pregnant woman. An increased risk of congenital malformations associated with the use of diazepam and chlordiazepoxide during the first trimester of pregnancy has been suggested in several studies. Transplacental distribution has resulted in neonatal CNS depression following the ingestion of therapeutic doses of a benzodiazepine hypnotic during the last weeks of pregnancy.
Reproduction studies in animals with temazepam were performed in rats and rabbits. In a perinatalpostnatal study in rats, oral doses of 60 mg/kg/day resulted in increasing nursling mortality. Teratology studies in rats demonstrated increased fetal resorptions at doses of 30 and 120 mg/kg in one study and increased occurrence of rudimentary ribs, which are considered skeletal variants, in a second study at doses of 240 mg/kg or higher. In rabbits, occasional abnormalities such as exencephaly and fusion or asymmetry of ribs were reported without dose relationship. Although these abnormalities were not found in the concurrent control group, they have been reported to occur randomly in historical controls. At doses of 40 mg/kg or higher, there was an increased incidence of the 13th rib variant when compared to the incidence in concurrent and historical controls.
Temazepam is contraindicated in women who are or may become pregnant. If this drug 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. Patients should be instructed to discontinue the drug prior to becoming pregnant. The possibility that a woman of childbearing potential may be pregnant at the time of institution of therapy should be considered.
Sleep disturbance may be the presenting manifestation of an underlying physical and/or psychiatric disorder. Consequently, a decision to initiate symptomatic treatment of insomnia should only be made after the patient has been carefully evaluated. 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 may be the consequence of an unrecognized psychiatric or physical disorder as may the emergence of new abnormalities of thinking or behavior. Such abnormalities have also been reported to occur in association with the use of drugs with central nervous system depressant activity, including those of the benzodiazepine class. Because some of the worrisome adverse effects of benzodiazepines, including temazepam, appear to be dose related (see PRECAUTIONS and DOSAGE AND ADMINISTRATION), it is important to use the lowest possible effective dose. Elderly patients are especially at risk.
Some of these changes may be characterized by decreased inhibition, e.g., aggressiveness and extroversion that seem out of character, similar to that seen with alcohol. Other kinds of behavioral changes can also occur, for example, bizarre behavior, agitation, hallucinations, and depersonalization. Complex behaviors such as "sleep-driving" (i.e., driving while not fully awake after ingestion of a sedativehypnotic, with amnesia for the event) have been reported. These events can occur in sedative-hypnoticnaive as well as in sedative-hypnotic-experienced persons. Although behaviors such as sleep-driving may occur with temazepam alone at therapeutic doses, the use of alcohol and other CNS depressants with temazepam appears to increase the risk of such behaviors, as does the use of temazepam at doses exceeding the maximum recommended dose. Due to the risk to the patient and the community, discontinuation of temazepam should be strongly considered for patients who report a "sleep-driving" episode. 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 sleepdriving, patients usually do not remember these events. Amnesia and other neuro-psychiatric symptoms may occur unpredictably. In primarily depressed patients, worsening of depression, including suicidal thinking has been reported in association with the use of sedative/hypnotics.
It can rarely be determined with certainty whether a particular instance of the abnormal behaviors listed above is drug induced, spontaneous in origin, or a result of an underlying psychiatric or physical disorder. Nonetheless, the emergence of any new behavioral sign or symptom of concern requires careful and immediate evaluation.
Withdrawal symptoms (of the barbiturate type) have occurred after the abrupt
discontinuation of benzodiazepines (see
DRUG ABUSE AND
DEPENDENCE).
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 temazepam. 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 temazepam should not be rechallenged with the drug.
General
Since the risk of the development of oversedation, dizziness, confusion, and/or ataxia increases substantially with larger doses of benzodiazepines in elderly and debilitated patients, 7.5 mg of temazepam is recommended as the initial dosage for such patients.
Temazepam should be administered with caution in severely depressed patients or those in whom there is any evidence of latent depression; it should be recognized that suicidal tendencies may be present and protective measures may be necessary.
The usual precautions should be observed in patients with impaired renal or hepatic function and in patients with chronic pulmonary insufficiency.
If temazepam is to be combined with other drugs having known hypnotic properties or CNS-depressant; and effects, consideration should be given to potential additive effects.
The possibility of a synergistic effect exists with the co-administration of temazepam and diphenhydramine. One case of stillbirth at term has been reported 8 hours after a pregnant patient received temazepam and diphenhydramine. A cause and effect relationship has not yet been determined (see CONTRAINDICATIONS).
"Sleep-Driving" and Other Complex Behaviors - There have been reports of people getting out of bed after taking a sedative-hypnotic and driving their cars while not fully awake, often with no memory of the event. If a patient experiences such an episode, it should be reported to his or her doctor immediately, since "sleep-driving" can be dangerous. This behavior is more likely to occur when temazepam is taken with alcohol or other central nervous system depressants (see WARNINGS). 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.
Carcinogenicity studies were conducted in rats at dietary temazepam doses up to 160 mg/kg/day for 24 months and in mice at dietary doses of 160 mg/kg/day for 18 months. No evidence of carcinogenicity was observed although hyperplastic liver nodules were observed in female mice exposed to the highest dose. The clinical significance of this finding is not known.
Fertility in male and female rats was not adversely affected by temazepam.
No mutagenicity tests have been done with temazepam.
During controlled clinical studies in which 1076 patients received temazepam at bedtime, the drug was well tolerated. Side effects were usually mild and transient. Adverse reactions occurring in 1% or more of patients are presented in the following table:
| Temazepam % Incidence (n=1076) | Placebo % Incidence (n=783) |
Drowsiness | 9.1 | 5.6 |
Headache | 8.5 | 9.1 |
Fatigue | 4.8 | 4.7 |
Nervousness | 4.6 | 8.2 |
Lethargy | 4.5 | 3.4 |
Dizziness | 4.5 | 3.3 |
Nausea | 3.1 | 3.8 |
Hangover | 2.5 | 1.1 |
Anxiety | 2.0 | 1.5 |
Depression | 1.7 | 1.8 |
Dry Mouth | 1.7 | 2.2 |
Diarrhea | 1.7 | 1.1 |
Abdominal Discomfort | 1.5 | 1.9 |
Euphoria | 1.5 | 0.4 |
Weakness | 1.4 | 0.9 |
Confusion | 1.3 | 0.5 |
Blurred Vision | 1.3 | 1.3 |
Nightmares | 1.2 | 1.7 |
Vertigo | 1.2 | 0.8 |
The following adverse events have been reported less frequently (0.5% to 0.9%):
Central Nervous System - anorexia, ataxia, equilibrium loss, tremor, increased dreaming
Cardiovascular - dyspnea, palpitations
Gastrointestinal – vomiting
Musculoskeletal – backache
Special Senses - hyperhidrosis, burning eyes
Amnesia, hallucinations, horizontal nystagmus, and paradoxical reactions including restlessness, overstimulation and agitation were rare (less than 0.5%).
Abuse and addiction are separate and distinct from physical dependence and tolerance. Abuse is characterized by misuse of the drug for non-medical purposes, often in combination with other psychoactive substances. Physical dependence is a state of adaptation that is manifested by a specific withdrawal syndrome that can be produced by abrupt cessation, rapid dose reduction, decreasing blood level of the drug and/or administration of an antagonist. Tolerance is a state of adaptation in which exposure to a drug induces changes that result in a diminution of one or more of the drug's effects over time. Tolerance may occur to both the desired and undesired effects of drugs and may develop at different rates for different effects.
Addiction is a primary, chronic, neurobiological disease with genetic, psychosocial, and environmental factors influencing its development and manifestations. It is characterized by behaviors that include one or more of the following: impaired control over drug use, compulsive use, continued use despite harm, and craving. Drug addiction is a treatable disease, utilizing a multidisciplinary approach, but relapse is common.
Withdrawal symptoms, similar in character to those noted with barbiturates and alcohol (convulsions, tremor, abdominal, and muscle cramps, vomiting, and sweating), have occurred following abrupt discontinuance of benzodiazepines. The more severe withdrawal symptoms have usually been limited to those patients who received excessive doses over an extended period of time. Generally milder withdrawal symptoms (e.g., dysphoria and insomnia) have been reported following abrupt discontinuance of benzodiazepines taken continuously at therapeutic levels for several months. Consequently, after extended therapy at doses higher than 15 mg, abrupt discontinuation should generally be avoided and a gradual dosage tapering schedule followed. As with any hypnotic, caution must be exercised in administering temazepam to individuals known to be addiction-prone or to those whose history suggests they may increase the dosage on their own initiative. It is desirable to limit repeated prescriptions without adequate medical supervision.
Manifestations of acute overdosage of temazepam can be expected to reflect the CNS effects of the drug and include somnolence, confusion, and coma, with reduced or absent reflexes, respiratory depression, and hypotension. The oral LD50 of temazepam was 1963 mg/kg in mice, 1833 mg/kg in rats, and >2400 mg/kg in rabbits.
Treatment
If the patient is conscious, vomiting should be induced mechanically or with emetics. Gastric lavage should be employed utilizing concurrently a cuffed endotracheal tube if the patient is unconscious to prevent aspiration and pulmonary complications. Maintenance of adequate pulmonary ventilation is essential. The use of pressor agents intravenously may be necessary to combat hypotension. Fluids should be administered intravenously to encourage diuresis. The value of dialysis has not been determined. If excitation occurs, barbiturates should not be used. It should be borne in mind that multiple agents may have been ingested. Flumazenil (Romazicorn® )*, 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.
Up-to-date information about the treatment of overdose can often be obtained
from a certified Regional Poison Control Center. Telephone numbers of certified
Regional Poison Control Centers are listed in the Physicians’ Desk
References®**
While the recommended usual adult dose is 15 mg before retiring, 7.5 mg may be sufficient for some patients, and others may need 30 mg. In transient insomnia, a 7.5 mg dose may be sufficient to improve sleep latency. In elderly or debilitated patients, it is recommended that therapy be initiated with 7.5 mg until individual responses are determined.
Temazepam Capsules USP
15 mg
Blue opaque cap and white opaque body, imprinted “15 mg” on cap and “Novel
121” on the body in black ink.
Bottle of 100........NDC: 67877-146-01
Bottle of 500........NDC
67877-146-05
30 mg
White opaque cap and body, imprinted “30 mg” on cap and “Novel 123” on the body
in black ink.
Bottle of 100........NDC: 67877-147-01
Bottle of 500........NDC
67877-147-05
Dispense in a well-closed, light-resistant container with a child-resistant closure.
Storage: Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature].
*Romazicon is the registered trademark of Hoffman-LaRoche
Inc.
**Trademark of Medical Economics Company, Inc.
Manufactured by: Distributed
by:
Novel Laboratories, Inc. ASCEND Laboratories,
LLC
Somerset, NJ 08873 Montvale, NJ
07645
TEMAZEPAM is a federally controlled substance (C-IV) because it can be abused or lead to dependence. Keep TEMAZEPAM in a safe place to prevent misuse and abuse. Selling or giving away TEMAZEPAM may harm others, and is against the law. Tell your doctor if you have ever abused or been dependent on alcohol, prescription medicines or street drugs. |
ASCEND
Laboratories, LLC
NDC: 67877-146-01
TEMAZEPAM CIV
Capsules, USP
15 mg
Rx only
100 capsules
Repacked by:
H.J. Harkins Company, Inc.
Grover Beach, CA 93433
TEMAZEPAM
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Labeler - H.J. Harkins Company, Inc. (147681894) |
Registrant - H.J. Harkins Company, Inc. (147681894) |
Establishment | |||
Name | Address | ID/FEI | Business Operations |
---|---|---|---|
H.J. Harkins Company, Inc. | 147681894 | repack, relabel |