Calcium channel blockers commonly cause which symptom?

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Multiple Choice

Calcium channel blockers commonly cause which symptom?

Explanation:
Calcium channel blockers cause vasodilation of small arteries by blocking calcium entry into smooth muscle. This sudden arteriolar dilation lowers blood pressure and can increase cerebral blood flow, which often triggers a throbbing headache. That’s the most commonly reported adverse effect with these drugs, making headache the best answer. Dizziness can occur from low blood pressure, but it’s less consistently observed as a hallmark symptom, and rash or nausea are not typical primary effects.

Calcium channel blockers cause vasodilation of small arteries by blocking calcium entry into smooth muscle. This sudden arteriolar dilation lowers blood pressure and can increase cerebral blood flow, which often triggers a throbbing headache. That’s the most commonly reported adverse effect with these drugs, making headache the best answer. Dizziness can occur from low blood pressure, but it’s less consistently observed as a hallmark symptom, and rash or nausea are not typical primary effects.

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