Unexplained rash causing concern or discomfort?
Identify common rashes and find appropriate treatment or know when to seek help.
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Quick questions about duration and severity
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Allergies, infections (viral/bacterial), eczema, heat, or irritants. Many rashes are harmless but some need medical attention.
Red flags: doesn't fade when pressed, with fever, difficulty breathing, or rapid spread.
Mild hydrocortisone safe for short-term use on small areas. Avoid face, don't use on infected rashes.
Varies by cause. Allergic: days. Viral: 1-2 weeks. Persistent rashes need evaluation.
Yes if severe, spreading, with fever, or you're unsure of cause.
Last reviewed: December 2025
Reviewer: Healthcare Content Team
This information is for educational purposes only and does not replace professional medical advice. Always consult a healthcare provider for diagnosis and treatment.