Comparative Pharmacology
Head-to-head clinical analysis: LIMBITROL DS versus TEMAZEPAM.
Peer-Reviewed Evidence
Head-to-head clinical analysis: LIMBITROL DS versus TEMAZEPAM.
LIMBITROL DS vs TEMAZEPAM
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Limbitrol DS is a combination of amitriptyline (a tricyclic antidepressant) and chlordiazepoxide (a benzodiazepine). Amitriptyline inhibits the reuptake of serotonin and norepinephrine, enhancing neurotransmission in the CNS. Chlordiazepoxide binds to GABA-A receptors, potentiating GABAergic inhibitory effects, leading to anxiolytic and sedative effects.
Positive allosteric modulator of GABA-A receptors, enhancing the effect of GABA by increasing chloride ion influx, leading to neuronal hyperpolarization and sedation.
1 tablet (amitriptyline 25 mg/chlordiazepoxide 10 mg) orally 3 times daily initially, gradually increasing to 2 tablets orally 3 times daily or 3 tablets orally twice daily if needed; maximum 6 tablets per day.
10-20 mg orally at bedtime, up to 30 mg in severe insomnia.
None Documented
None Documented
Clinical Note
moderateTemazepam + Fluticasone propionate
"The risk or severity of adverse effects can be increased when Temazepam is combined with Fluticasone propionate."
Clinical Note
moderateTemazepam + Teriflunomide
"The metabolism of Teriflunomide can be decreased when combined with Temazepam."
Clinical Note
moderateTemazepam + Haloperidol
"The risk or severity of adverse effects can be increased when Temazepam is combined with Haloperidol."
Clinical Note
moderateTemazepam + Sulfisoxazole
Chlordiazepoxide: 5-30 hours (parent drug), active metabolite (desmethylchlordiazepoxide) 10-30 hours; amitriptyline: 13-36 hours (parent), nortriptyline (active metabolite) 18-44 hours. Half-lives increase with age and hepatic impairment.
Terminal elimination half-life is 8–20 hours in healthy adults (mean ~15 hours); may be prolonged in elderly (up to 50 hours) and in hepatic impairment (up to 40 hours); clinical context: typical dosing interval is 12–24 hours.
Renal: 70-80% as conjugated metabolites, <5% unchanged; fecal: 10-20% via biliary excretion.
Renal excretion of conjugated metabolites (primarily as glucuronide) accounts for approximately 80% of an oral dose; fecal excretion accounts for about 12%; less than 1% is excreted unchanged in urine.
Category C
Category D/X
Benzodiazepine/Tricyclic Antidepressant Combination
Benzodiazepine
"The metabolism of Sulfisoxazole can be decreased when combined with Temazepam."