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Medication-Induced Tremor - Drug-Induced Tremor


Overview, Causes, & Risk Factors

A tremor is involuntary trembling or quivering. It is usually noticed in the tongue, arms or legs. Drugs can sometimes cause a tremor.

What is going on in the body?

A tremor is usually due to a condition in the brain or muscles. Tremors can be quite obvious or barely noticeable. Drugs that affect the brain or muscles may cause a tremor to develop.

What are the causes and risks of the condition?

Several classes of drugs may cause tremors, including:

  • certain medications used to treat Parkinson's disease, a brain condition that causes posture and movement problems
  • certain medications used to treat schizophrenia, manic depression, or psychosis
  • certain medications are used for lung diseases, such as asthma
  • thyroid hormone pills, which are used to treat people with hypothyroidism
  • certain medications used to treat depression
  • stimulants, such as cocaine or amphetamines