Logos are each company's own site icon, matched by name through Wikidata.Company names and logos identify the companies in public FDA and registry records and do not imply endorsement.
Sold as Limbitrol, Limbitrol Ds. Every FDA application for this active ingredient: 1 branded and 11 generic.
As of Nov 15, 2026, FDA lists 12 applications for Amitriptyline Hydrochloride; Chlordiazepoxide (sold as Limbitrol, Limbitrol Ds), first approved Dec 23, 1977, with 0 new uses approved and 0 published complete response letters.
First approved: Dec 23, 1977
Applications: 12
New uses approved: 0
Complete response letters: 0
Applications
NDAs, BLAs and generic ANDAs for this ingredient, oldest first; each opens its full history
Applications, approvals and products come from FDA's Drugs@FDA data files, refreshed weekly, grouped by active ingredient as FDA spells it. Complete response letters are FDA's published letters. Medicare spending is CMS's Part D and Part B dashboard, matched to this ingredient by generic name; shortages are FDA's shortage list, matched by application number; clinical trials are ClinicalTrials.gov studies naming the ingredient as an intervention, refreshed daily; safety programs are FDA's REMS list, matched by application number or, for shared programs, by ingredient.Drugs@FDA
Mylan