What is the major side effect of artane?

Hello,

Here is a list of possible side effects for future reference:

If you experience any of the following serious side effects, stop taking trihexyphenidyl and seek emergency medical attention or contact your doctor immediately:

an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
fever;
fast or irregular heartbeats;
anxiety, hallucinations, confusion, agitation, hyperactivity, or loss of consciousness;
seizures;
eye pain; or
a rash.

Other, less serious side effects may be more likely to occur. Continue to take trihexyphenidyl and talk to your doctor if you experience

dryness of the mouth;
large pupils or blurred vision;
drowsiness or dizziness;
difficulty urinating or constipation;
nervousness or anxiety;
upset stomach; or
decreased sweating.

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This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

I hope this helps you.-

Take care