Tremor - essential
Stress and caffeine can make tremors worse. Avoid caffeinated drinks such as coffee, tea, and soda, and other stimulants. Exercise and counseling to reduce emotional stress may also help.
Alcoholic beverages in small quantities may decrease tremors but can lead to alcohol dependence and alcohol abuse, especially if you have a family history of such problems. How alcohol helps relieve tremors is unknown.
Jankovic J. Movement Disorders. In: Goetz CG. Textbook of Clinical Neurology. 3rd ed. St. Louis, Mo: WB Saunders; 2007: chap. 34.