Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Essential tremorUpdated: 2017-06-13OverviewEssential tremor most often affects the hands, though it may also affect the head, voice, arms, or legs. It's not related to Parkinson's disease. SymptomsShaking occurs with simple tasks such as tying shoelaces, writing, or shaving. Symptoms may be aggravated by stress, fatigue, caffeine, and temperature extremes. TreatmentsIf needed, treatment may include drugs, such as beta blockers, and physical therapy. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use