Rock the Pharmacy PEBC Test 2025 – Your Prescription for Success!

Angiotensin II receptor antagonists (ARBs) are commonly prescribed medications used primarily for the management of hypertension and heart failure. One notable side effect associated with ARBs is dizziness or lightheadedness. This occurs because ARBs can lead to a decrease in blood pressure by blocking the action of angiotensin II, which is a potent vasoconstrictor. When blood pressure drops, especially upon standing or during physical activity, patients may experience dizziness or lightheadedness as a result of inadequate blood flow to the brain.

In contrast, other potential side effects associated with related medications, such as ACE inhibitors, include a dry cough due to the accumulation of bradykinin; however, this side effect is typically not seen with ARBs. Increased heart rate and appetite are not commonly linked with ARBs. Therefore, dizziness or lightheadedness stands out as the most prevalent and relevant side effect experienced by patients taking these medications. Understanding this helps healthcare professionals monitor and manage these symptoms effectively in their patients.