A member asked:

Why is propanolol or metoprolol contraindicated to patients who have asthma and copd?

7 doctors weighed in across 2 answers
Dr. Lily Hwang answered

Specializes in Pediatric Allergy and Asthma

Cause tight airway: These medications are beta-blockers which can act in many places in your body including your airways. The medications may worsen your asthma/copd by worsening lung bronchoconstriction (airway tightening). Also makes it harder for asthmatics to respond to their rescue medications - which is a beta-agonist.

Answered 5/14/2018

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Beta-blockers: They are beta-blockers and may cause bronchial constriction which exacerbates asthma and copd. We treat asthma with beta-agonists (albuterol etc) which are exactly the opposite. That being said, metoprolol in particular is a selective drug and many asthmatics/copd-ers are able to take it if needed for heart disease without any ill effects. Talk to your doctor.

Answered 12/27/2022

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