If you’re fact-checking this headline, the drug most likely being referred to is nifedipine, particularly at high doses.
A large observational study found that high-dose nifedipine (≥60 mg/day) was associated with a higher risk of out-of-hospital cardiac arrest. Importantly, the study did not find the same increased risk with amlodipine, and it was observational, so it cannot by itself prove that nifedipine caused the cardiac arrests.
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So a more accurate headline would be:
Writing
Popular Blood Pressure Drug Linked to Higher Cardiac-Arrest Risk at High Doses — What Patients Should Know
A study involving thousands of people found that high-dose nifedipine (60 mg/day or more) was associated with an increased risk of out-of-hospital cardiac arrest.
But there’s an important distinction: this does not mean everyone taking nifedipine is at risk, nor does it mean patients should stop taking it.
The researchers found the association specifically with high-dose nifedipine. Low-dose nifedipine and amlodipine did not show the same increased risk in the study. {“fallbackMarkdown”:”(PubMed
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Never stop a blood-pressure medication suddenly without talking to your doctor. If you’re taking nifedipine, ask your clinician whether your dose remains appropriate for you.
The right medication depends on your blood pressure, heart and kidney health, other medications, and overall cardiovascular risk.
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