Can you get a rash from allergic reaction

Can You Get A Rash From Allergic Reaction. Your immune system treats the proteins in the food as harmful substances and tries to fight them. You might get a red rash or hives on your face if youve touched a substance that your body perceives as an allergen. Skin rash symptoms to peanuts include stuffy nose skin reactions like hives swelling or redness over a large area. Your immune system releases mast cell chemicals such as histamines into your bloodstream giving you an allergic reaction.

These rashes can start a few days to more than a week after the first shot and are sometimes quite large. Urticaria also known as hives occurs when something triggers high levels of histamine and other chemicals in the body to be released into the skin. Skin rashes are a common allergy symptom and may appear on the skin as blisters welts or blotches. Diaper rash can affect both babies and adults who wear diapers on a regular basis. CDC has learned of reports that some people have experienced a red itchy swollen or painful rash where they got the shot. So an allergic reaction may be the cause of the symptoms.

So an allergic reaction may be the cause of the symptoms.

Your immune system treats the proteins in the food as harmful substances and tries to fight them. The symptoms of allergic reactions vary depending upon whether the allergen came in contact with the skin was inhaled swallowed or injected. These are raised itchy red welts or bumps. Allergic reactions occur when the bodys immune system reacts abnormally to a drug food or other substance called an allergen. Hives and eczema are two common types of rash that result from an allergic reaction. Developing a rash irritation or blistered skin after contacting a plant or a substance is called contact dermatitis.