The area is red, tender and sometimes warm to touch.

Allergic reaction red bumps on skin. Web pityriasis rosea is an inflammatory skin condition that produces a red rash. Red, bumpy, itchy skin can be irritating, painful and embarrassing. The rash isn't contagious, but it can be very uncomfortable.

Web atopic dermatitis (eczema) is a condition that causes dry, itchy and inflamed skin. A skin rash occurs when skin becomes red, inflamed and bumpy. The body's production of antibodies causes these.

The resulting rash may be itchy, red, or inflamed. Web bumps that occur from an allergic reaction appear as lesions that may ooze, crust or appear scaly. Web allergic contact dermatitis (b) produces a very itchy rash with bumps, swelling and sometimes blisters, as with this case of poison ivy.

The swelling that often comes with hives is called angioedema. Its exact cause is unknown, but researchers think it might come from a viral infection. Web stress rashes look like puffy red bumps that can appear all over the body, but most commonly on the face, neck, chest or arms, according to scripps health.

This type of rash occurs when the skin comes into direct contact with a foreign substance that causes an adverse reaction, leading to a rash. Allergic reactions on the face can include skin rashes or redness, tiny bumps, or hives. Web what is a skin rash?

Some skin rashes are dry and itchy. Web an allergic reaction — mainly allergic contact dermatitis — may cause small bumps or rashes that are red, itchy, and usually localized to the area contacted by. It affects up to 20% of children but only affects 1% to 3% of adults.