June 2026 in “EP Europace” This study found that minoxidil and finasteride, commonly used for androgenetic alopecia, were associated with different arrhythmia profiles in adverse event reports: minoxidil predominantly with supraventricular arrhythmias and finasteride primarily with ventricular arrhythmias in men.
9 citations
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March 1989 in “The BMJ” Adding diltiazem to a beta blocker can cause dangerously slow heart rates.
33 citations
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August 1973 in “American Heart Journal” Propranolol can cause reversible hair loss.
March 2025 in “Journal of Clinical Medicine” This study reviewed adverse events associated with low-dose oral minoxidil for treating alopecia, finding hypertrichosis and fluid retention as common, typically manageable side effects without needing treatment discontinuation.
January 1983 in “Side effects of drugs annual” This chapter reviews adverse effects of anti-anginal and beta-blocker drugs, stating that starting a beta-blocker may temporarily affect driving ability, but it reports no new clinical findings.