Trihexyphenidyldrug info
trihexyphenidyl hydrochloride 5 MG Oral Tablet
What it is used for
INDICATIONS This drug is indicated as an adjunct in the treatment of all forms of parkinsonism (postencephalitic, arteriosclerotic, and idiopathic). It is often useful as adjuvant therapy when treating these forms of parkinsonism with levodopa. Additionally, it is indicated for the control of extrapyramidal disorders caused by central nervous system drugs such as the dibenzoxazepines, phenothiazines, thioxanthenes, and butyrophenones.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective July 9, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Trihexyphenidyl hydrochloride is a synthetic antispasmodic drug available in the following forms: Tablets, 2 mg and 5 mg. It is designated chemically 1-Piperidinepropanol,α-cyclohexyl-α-phenyl-, hydrochloride. The structural formula is represented below: C 20 H 31 NO
HCl M.W. 337.93 Trihexyphenidyl hydrochloride tablets USP, 2 mg and 5 mg contain the following inactive ingredients: colloidal silicon dioxide, dibasic calcium phosphate, lactose monohydrate, magnesium stearate, microcrystalline cellulose and sodium starch glycolate. 7066154a-figure-01
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective July 9, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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