LOMOTIL (atropine sulfate; diphenoxylate hydrochloride) by Pfizer is clinical pharmacology diphenoxylate is rapidly and extensively metabolized in man by ester hydrolysis to diphenoxylic acid (difenoxine), which is biologically active and the major metabolite in the blood. Approved for older for: atropine is an anticholinergic agent indicated in adults, older for: cycloplegia () mydriasis () penalization of the healthy eye in the treatment of amblyopia () 1. First approved in 1961.
Drug data last refreshed 4d ago · AI intelligence enriched 3w ago
Lomotil is a fixed-dose combination of diphenoxylate hydrochloride (an opioid-like antidiarrheal) and atropine sulfate (an anticholinergic), approved in 1961 for oral treatment of diarrhea. Diphenoxylate is rapidly metabolized to diphenoxylic acid, which acts on circular smooth muscle of the bowel to increase segmentation and prolong gastrointestinal transit time. The atropine component serves as a deterrent to abuse.
Lomotil is approaching loss of exclusivity with minimal Part D utilization (614 claims in 2023), indicating a mature, stable brand with likely small supporting team.
CLINICAL PHARMACOLOGY Diphenoxylate is rapidly and extensively metabolized in man by ester hydrolysis to diphenoxylic acid (difenoxine), which is biologically active and the major metabolite in the blood. After a 5-mg oral dose of carbon-14 labeled diphenoxylate hydrochloride in ethanolic solution…
Worked on LOMOTIL at Pfizer? Share your interview experience or compensation data (+7 days Pro)
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.
Upgrade to Pro to access Medicare Part D spending data and other premium pharma intelligence.
Upgrade to Pro — $25/moUpgrade to Pro to access CMS Part B ASP pricing data and other premium pharma intelligence.
Upgrade to Pro — $25/moLomotil supports limited career opportunities given its LOE status, minimal claims volume, and dormant development pipeline. Roles available are primarily legacy brand management and compliance, not expansion or innovation.