Skip to Content

W 4 (Trihexyphenidyl 2 mg)

Pill imprint W 4 has been identified as Trihexyphenidyl hydrochloride 2 mg.

Trihexyphenidyl is used in the treatment of extrapyramidal reaction; parkinson's disease; cerebral spasticity and belongs to the drug class anticholinergic antiparkinson agents. FDA has not classified the drug for risk during pregnancy. Trihexyphenidyl 2 mg is not a controlled substance under the Controlled Substance Act (CSA).

Trihexyphenidyl hydrochloride 2 mg W 4
Trihexyphenidyl hydrochloride 2 mg W 4
Discount Card Promo
Trihexyphenidyl hydrochloride
W 4
2 mg
Prescription only
Drug Class:
Anticholinergic antiparkinson agents
Pregnancy Category:
N - Not classified
CSA Schedule:
Not a controlled drug
West-Ward Pharmaceutical Corporation
National Drug Code (NDC):
Inactive Ingredients:
lactose anhydrous
silicon dioxide colloidal
corn starch
magnesium stearate
microcrystalline cellulose

Note: Inactive ingredients may vary.

More info Print Imprint Search

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date, and complete, but no guarantee is made to that effect. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 2017, National Library of Medicine, Truven Health Analytics and Cerner Multum, Inc. All Rights Reserved.