A rash can have many causes — from allergies to eczema to infections. What matters is how quickly it develops and whether general symptoms occur as well.
Possible causes
01
Contact or allergic reaction
After contact with triggers, often itchy and red.
02
Eczema
Dry, inflamed, itchy patches of skin, sometimes chronic.
03
Infection
Viral or bacterial, sometimes with fever.

Typical steps at the doctor's office
- 1The dermatologist assesses appearance, distribution and progression and asks about possible triggers.
- 2In unclear cases, allergy tests or a tissue sample may help.
- 3Treatment depends on the cause — avoiding triggers, skin-care or anti-inflammatory measures as directed by your doctor.

Next step
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