Beta blockers (nonselective)
- Block beta-1 + beta-2 receptors
- Propranolol/nadolol/timolol examples
- Useful in tremor, portal HTN + migraine
- Bronchospasm risk is greater than beta-1 drugs
- Can mask adrenergic hypoglycemia symptoms
- Avoid abrupt withdrawal when chronically used
Class at a glance
- Block beta-1 + beta-2 receptors
Practical pearls
- Propranolol/nadolol/timolol examples
Clinical role
- Useful in tremor, portal HTN + migraine
- Can mask adrenergic hypoglycemia symptoms
Safety / monitoring
- Bronchospasm risk is greater than beta-1 drugs
- Avoid abrupt withdrawal when chronically used
Self-check
- How does Beta blockers (nonselective) work?
Block beta-1 + beta-2 receptors. - How does bronchospasm risk compare with beta-1-selective drugs?
It is greater.
Drugs in this class (5)
Beta blockers (nonselective) prescription history
Animated chart of estimated U.S. prescriptions per year, Beta blockers (1967–2026).
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