What side effects may I notice from receiving Tetrabenazine?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Agitation, feeling irritable or restless
-Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
-High fever, stiff muscles, increased sweating, fast or irregular heartbeat, and confusion, which may be signs of neuroleptic malignant syndrome
-Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision
-Muscle stiffness or spasms, tremors or shaking, loss of balance or coordination, shuffling walk
-Thoughts of suicide or self-harm, worsening mood, feelings of depression
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
-Drowsiness
-Dry mouth
-Fatigue
-Trouble sleeping

This list may not describe all possible side effects for Tetrabenazine. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.