CARISOPRODOL- carisoprodol tablet
West-Ward Pharmaceutical Corp
Carisoprodol Tablets, USP are indicated for the relief of discomfort associated with acute, painful musculoskeletal conditions in adults. Carisoprodol Tablets, USP should only be used for short periods (up to two or three weeks) because adequate evidence of effectiveness for more prolonged use has not been established and because acute, painful musculoskeletal conditions are generally of short duration. [see DOSAGE AND ADMINISTRATION (2)].
The recommended dose of Carisoprodol Tablets is 350 mg three times a day and at bedtime. The recommended maximum duration of Carisoprodol Tablets use is up to two or three weeks.
Carisoprodol Tablets, USP 350 mg are White, Round, Unscored Tablets Imprinted “WW 176”.
Carisoprodol Tablets are contraindicated in patients with a history of acute intermittent porphyria or a hypersensitivity reaction to a carbamate such as meprobamate.
Carisoprodol Tablets have sedative properties (in the low back pain trials, 13% to 17% of patients who received Carisoprodol Tablets experienced sedation compared to 6% of patients who received placebo) [see ADVERSE REACTIONS (6.1)] and may impair the mental and/or physical abilities required for the performance of potentially hazardous tasks such as driving a motor vehicle or operating machinery. There have been post-marketing reports of motor vehicle accidents associated with the use of Carisoprodol Tablets.
Since the sedative effects of Carisoprodol Tablets and other CNS depressants (e.g., alcohol, benzodiazepines, opioids, tricyclic antidepressants) may be additive, appropriate caution should be exercised with patients who take more than one of these CNS depressants simultaneously.
Carisoprodol, the active ingredient in Carisoprodol Tablets, has been subject to abuse, dependence, withdrawal, misuse, and criminal diversion [see Drug Abuse and Dependence (9.1, 9.2, 9.3)]. Abuse of Carisoprodol Tablets poses a risk of overdosage which may lead to death, CNS and respiratory depression, hypotension, seizures, and other disorders [see OVERDOSAGE (10)].
Post-marketing experience cases of carisoprodol abuse and dependence have been reported in patients with prolonged use and a history of drug abuse. Although most of these patients took other drugs of abuse, some patients solely abused carisoprodol. Withdrawal symptoms have been reported following abrupt cessation of Carisoprodol Tablets after prolonged use. Reported withdrawal symptoms included insomnia, vomiting, abdominal cramps, headache, tremors, muscle twitching, ataxia, hallucinations, and psychosis. One of carisoprodol’s metabolites, meprobamate (a controlled substance), may also cause dependence [see CLINICAL PHARMAOLOGY (12.3)].
To reduce the risk of Carisoprodol Tablets abuse, assess the risk of abuse prior to prescribing. After prescribing, limit the length of treatment to three weeks for the relief of acute musculoskeletal discomfort, keep careful prescription records, monitor for signs of abuse and overdose, and educate patients and their families about abuse and on proper storage and disposal.
There have been post-marketing reports of seizures in patients who received Carisoprodol Tablets. Most of these cases have occurred in the setting of multiple drug overdoses (including drugs of abuse, illegal drugs, and alcohol) [see OVERDOSAGE (10)].
Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect rates observed in practice.
The data described below are based on 1387 patients pooled from two double-blind, randomized, multicenter, placebo-controlled, one-week trials in adult patients with acute, mechanical, lower back pain [see CLINICAL STUDIES (14)]. In the study, patients were treated with 350 mg of Carisoprodol Tablets, or placebo three times a day and at bedtime for seven days. The mean age was about 41 years old with 54% females and 46% males and 74% Caucasian, 16% Black, 9% Asian, and 2% other. There were no deaths and there were no serious adverse reactions in the trial. In the study, 2.7% and 5.4% of patients treated with placebo and 350 mg of Carisoprodol Tablets, respectively, discontinued due to adverse events; and 0.5% and 1.8% of patients treated with placebo and 350 mg of Carisoprodol Tablets, respectively, discontinued due to central nervous system adverse reactions.
Table 1 displays adverse reactions reported with frequencies greater than 2% and more frequently than placebo in patients treated with Carisoprodol Tablets in the trial described above.
|Adverse Reaction|| |
|Carisoprodol Tablets350 mg(n=279)n ( %)|
The following events have been reported during post-approval use of Carisoprodol Tablets. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Cardiovascular: Tachycardia, postural hypotension, and facial flushing [see OVERDOSAGE (10)].
Central Nervous System: Drowsiness, dizziness, vertigo, ataxia, tremor, agitation, irritability, headache, depressive reactions, syncope, insomnia, and seizures [see OVERDOSAGE (10)].
Gastrointestinal: Nausea, vomiting, and epigastric discomfort.
Hematologic: Leukopenia, pancytopenia.
The sedative effects of Carisoprodol Tablets and other CNS depressants (e.g., alcohol, benzodiazepines, opioids, tricyclic antidepressants) may be additive. Therefore, caution should be exercised with patients who take more than one of these CNS depressants simultaneously. Concomitant use of Carisoprodol Tablets and meprobamate, a metabolite of Carisoprodol Tablets, is not recommended [see WARNINGS AND PRECAUTIONS (5.1)].
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