Diphenhydramine is also used alone or with other medications to treat shaking (tremor) and muscle stiffness caused by Parkinson's disease.

It may also be used to treat side effects of certain psychiatric drugs such as involuntary movements and muscle stiffness (e.g., EPS).

Nevertheless, it is important that you talk to your doctor about the possible risks of using this drug for your particular condition.

 

FDA Information

Why is this medication prescribed?

Dosage and using this medicine

What special precautions should I follow?

What should I do if I forget a dose?

What side effects can this medication cause?

What storage conditions are needed for this medicine?

In case of an emergency/overdose