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  2. Jul 18, 2024 · A rash can be a sign of a serious medical emergency called anaphylaxis. Call 911 or get immediate medical attention if you have a rash and any of these is occurring: It is spreading rapidly....

  3. How can you tell if a rash is serious? Shingles, also known as herpes zoster, is a skin disease caused by the return of a chickenpox infection from latently infected nerve cells in the spinal cord or brain.

  4. Jan 22, 2024 · The skin around an infection might look red, purple, or brown, you might feel very hot or cold, have swollen lymph nodes, or a fever. If you have trouble breathing or swallowing, or your eyes or lips swell up, emergency medical care may be necessary and should be sought immediately. A rash can take days or even weeks to heal.

  5. Oct 1, 2023 · Call 911 immediately if you experience: Rash that develops and spreads quickly. Shortness of breath. Swelling of your face or throat. The rash covers most or all of your body. A new, widespread rash can be a sign of a more severe issue. If the rash spreads quickly, it could be an allergic reaction.

  6. Seek immediate medical evaluation for rashes: that look like small bleeding spots under the skin; these types of rashes are typically associated with high fevers or unusual sleepiness. that appear in the eye(s) or inside the mouth (a possible sign of a serious illness or a drug reaction).

  7. Call 911 or get to a hospital’s emergency department right away if you have a rash and any of the following symptoms: The rash is all over the body. This could be a sign of infection or allergic reaction. Examples of rashes caused by infection include scarlet fever, measles, mononucleosis, and shingles.

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