Question

Why is propranolol is contraindicated in bronchial asthma? ​

Answer 1

Once upon a time in 1964, it was noted that propranolol, a nonselective beta-blocker, could precipitate severe bronchospasm in patients with asthma, especially at high doses. Additional small studies showed propranolol and other nonselective beta blockers could increase airway resistance

Answer 2

Answer:

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