Rashes can be caused by many things, including exposure to certain plants (poison ivy, for example),.

Red dots on skin allergic reaction. Petechiae dots are usually less than 2 millimeters in diameter.the. Web these antibodies trigger the release of chemicals, one of which is called histamine, causing allergy symptoms that develop soon after eating the offending food,. Web allergic contact dermatitis (b) produces a very itchy rash with bumps, swelling and sometimes blisters, as with this case of poison ivy.

Web red spots on the skin can be caused by a number of skin conditions, including things like pityriasis rosea and heat rash. Web hives (urticaria) is a rash that often occurs with an allergic or sensitivity reaction. Pruritis is an itchy rash.

Web overview red, bumpy, itchy skin can be irritating, painful and embarrassing. Web an allergic reaction to certain medications may cause clusters of red dots to appear on your skin. Hives are often itchy, raised welts.

The type of skin symptoms you get can depend on whether the dermatitis is caused by an irritant or an. Web contact dermatitis is common and individuals with chronic skin problems like sensitive skin might be more prone to the condition. A drug rash happens when your.

Affected skin develops itchy welts (hives). The rash isn't contagious, but it can be very uncomfortable. Web during immediate reactions, the rash will usually consist of hives, which are raised red lesions on the skin.

This could be petechiae or hives. Web allergy symptoms, which depend on the substance involved, can affect your airways, sinuses and nasal passages, skin, and digestive system. A medication reaction often starts on the trunk and may.