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Active ingredient

Trihexyphenidyl

17 finished FDA listings contain Trihexyphenidyl as their only active ingredient.

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FDA NDC Directory

Ingredient names as written by FDA
TRIHEXYPHENIDYL HYDROCHLORIDE
Dosage forms
Solution, Syrup, Tablet
Routes
Oral
Manufacturers / labelers
9
Strengths listed
2 mg/1 · 2 mg/5ml · 5 mg/1

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 10811

Drugs@FDA applications

Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.

ApplicationSponsorOriginal approvalListings
ANDA 084363WATSON LABS1974-11-262
ANDA 084364WATSON LABS1974-12-063
ANDA 040177PHARM ASSOC1997-04-171
ANDA 040254NOVITIUM PHARMA1998-12-246
ANDA 040251CHARTWELL RX1999-09-272
ANDA 091630NATCO PHARMA LTD2010-11-173

Official labeling on DailyMed

Showing the 12 most recent of 13 labels.

Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.