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2. Nonselective Beta Blockers

Non-selective beta blockers are the earliest type. These medications work by blocking both beta-1 and beta-2 receptors, those on the heart, lungs, and blood vessels. Because these medications affect the respiratory system, they are generally not recommended for patients with chronic obstructive pulmonary disease or COPD. They're also not recommended for people with asthma.

nonselective beta blockers Shidlovski / Getty Images
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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.