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Trihexyphenidyl
Trihexyphenidyl is used for treating Parkinson's disease and other similar conditions, as well as extrapyramidal symptoms caused by antipsychotic medications. It works by balancing the levels of dopamine and acetylcholine, chemicals in the body that become unbalanced with parkinsonism and extrapyramidal symptoms. The medication is available by prescription, comes in tablet and elixir form, and is generally taken three or four times daily.
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Trihexyphenidyl hydrochloride (Artane®) is a prescription medication approved for treating the following conditions:
- Extrapyramidal symptoms (movement or muscle tension problems) caused by antipsychotic medications
- Parkinson's disease and other similar conditions (when used in combination with other medications).
(Click What Is Trihexyphenidyl Used For? for more information, including possible off-label uses.)
Common side effects of trihexyphenidyl include but are not limited to:
- Constipation
- Nausea
- Dry mouth
- Nervousness
- Blurred vision (often caused by dry eyes).
(Click Side Effects of Trihexyphenidyl to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD