Rash: is it serious?
Most rashes are harmless and come from viruses, heat, or skin irritation. A few rashes are warning signs of a serious infection or an allergic reaction.
🔴 Go to the ER or call 911 if there is
- A rash that does not fade when you press a clear glass on it, with fever
- Swelling of the lips, tongue, or face, or trouble breathing
- Blistering or peeling skin over a large area
🟠 Get care today if there is
- A rash with a fever
- A painful, spreading red area that feels hot
- A rash near the eyes
🟢 What helps at home
- Keep the skin clean and dry
- Avoid new soaps or lotions
- Use a cool compress for itching
Learn more from MedlinePlus, the U.S. National Library of Medicine: Rash →. This guide is general information for adults and caregivers. It is not medical advice, it cannot cover every case, and it is not a substitute for a clinician who can examine the person. When in doubt, seek care. FreeDoc is not affiliated with or endorsed by the National Library of Medicine.