What is a common side effect of beta-blockers?

Bradycardia is a well-known side effect of beta-blockers because these medications work by blocking the beta-adrenergic receptors in the heart. This action reduces the heart rate and the strength of the heart's contractions, leading to a slower heartbeat, which is referred to as bradycardia. This response is particularly important for patients who have conditions like hypertension or certain types of heart disease, as it helps to manage their heart workload and reduce symptoms.

While beta-blockers can have other effects on the body, such as potential impact on sleep, weight, and glucose metabolism, bradycardia directly results from their pharmacological action and is one of the most commonly monitored effects in clinical practice. It's crucial for providers to educate patients about this potential side effect and monitor heart rates, especially in newly prescribed patients or those who are increasing their dosage.