This Subtle Change in Your Fingernails Could Be a Warning Sign of a Rare, Life-Threatening Heart Infection

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Updated Jul 27, 2025 | 08:00 PM IST

SummaryA reddish-brown streak under your nail might seem minor, but it could signal endocarditis, a rare, potentially fatal heart infection. Often mistaken for the flu, this condition requires swift medical attention. Early diagnosis is crucial to avoid serious complications like heart failure.

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