Definitions for "Beta-Blockers"
Drugs that block the action of the hormone epinephrine. Usually used to treat high blood pressure and heart disease, they may be effective in the treatment of benign essential tremor (see above).
Medications that reduce heart or blood vessel overactivity to improve blood circulation. Also used to prevent migraine headaches, hypertension and angina. See Hypertension; angina.
drugs that block one of the receptors for epinephrine and, hence, its effect. They are used to treat hypertension, angina, tremor and migraine.