Beta-Adrenergic Antagonist

**Semantic type:** Chemical Viewed Functionally

**Definition:** Natural or synthetic beta adrenergic antagonists selectively or non-selectively blocking or diminishing physiologic beta-adrenergic agonist actions on the sympathetic system. This group of antagonists are generally used for treatment of hypertension, cardiac arrhythmias, angina pectoris, glaucoma, migraine headaches, and anxiety.

**Synonyms:** - Beta Blocker - Beta-Adrenergic Blocking Agent - Beta-Blockers - Beta-adrenergic antagonist (beta blocker) medication