Rash
About Rash
A discoloration of the skin or a change in the surface or texture of the skin. Rashes typically result from irritation to the skin and common causes include: allergic reactions, infections (cellulitis), reactions to medications, reactions to chemicals (poison ivy), insect bites (bee stings), snake bites, or diseases of the skin (eczema, psoriasis etc.). Rashes can have many associated symptoms such as pain, itching, fever, and swelling. These other symptoms along with the appearance of the rash and how it started is how a healthcare provider determines the cause.Symptoms
Redness or other discoloration, blotches, swelling of the skin, warm to touch, tenderness, fluid under the skin, itching.Tests & Diagnostics
A history and physical exam will be performed. Tests may be done to determine the cause of the rash and may include: allergy testing, blood tests, skin biopsy, and skin scrapings.Common tests: Skin biopsy.
Conventional treatment summary
Many rashes do not require any treatment. The treatment depends on the cause of the rash.Medical specialties
Internal Medicine · Dermatology · Pediatrics · Family Practice
This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Rash.