Trihexyphenidyl

Trihexyphenidyl is a drug that is used for treating Parkinson's disease (and other similar conditions) and 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. Trihexyphenidyl, which is available by prescription, comes in tablet and elixir form, and is generally taken three or four times daily.

 

What Is Trihexyphenidyl?

Trihexyphenidyl hydrochloride (Artane®) is a prescription medication approved for treating the following conditions:
 
(Click What Is Trihexyphenidyl Used For? for more information, including possible off-label uses.)
 

Trihexyphenidyl Side Effects

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 that you should report immediately to your healthcare provider.)
 
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;