Symptoms can include tremors, voice problems or a dragging foot.

The physical signs that can cause fear of being judged include sweating and tremors.

These symptoms included tremor, lack of muscle movement coordination, anxiety and weight loss.

Less common side effects included tremor, memory loss, gait disturbances, and double vision.

Overdose symptoms may include sweating, nausea, tremors, or slow heart rate.

Other side effects include headaches and essential tremor.

These include increased heart rate, muscular tremors, headaches, nausea, fever and chills.

Symptoms of withdrawal or abstinence include tremors, difficulty sleeping, and agitation.

Other symptoms include muscle hypertrophy, neck pain, dysarthria and tremor.

Symptoms may include bradykinesia (slow physical movement), muscle rigidity, and tremors.