It can happen with merchandise similar to shaving lotion, sunscreen and some perfumes. Eczema, also known as atopic dermatitis, impacts  between 10 and 20 percent of children and 1 to 3 percent of adults. A widespread symptom of eczema is dry, pink, irritated and itchy skin.
Host components embody heredity, sex, race, and age, with heredity being by far essentially the most vital. However, there have been current increases within the incidence of allergic problems that can't be defined by genetic elements alone. Four main environmental candidates are alterations in exposure to infectious diseases throughout early childhood, environmental air pollution, allergen levels, and dietary changes. Certain diets are formulated to scale back the itch attributable to atopic dermatitis.
“The lotions that you just buy can produce problems that make your authentic problem even worse,” Katz says. Because rashes could be brought on by many different things—bacteria, viruses, medication, allergy symptoms, genetic problems, and even light—it’s essential to determine what sort of dermatitis you have. “The commonest form of dermatitis that is seen anywhere is an allergic contact dermatitis to nickel,” says Katz. Because of ear piercing.” Many  cheap earrings are made from nickel, and over time, wearing nickel earrings could cause an allergic reaction to the metallic. The symptoms of those various sorts of rashes typically overlap. “Itching is a common symptom for all these issues,” says Dr. Stephen I. Katz, director of NIH’s National Institute of Arthritis and Musculoskeletal and Skin Diseases.
Depending on the severity, anaphylaxis can embody pores and skin reactions, bronchoconstriction, swelling, low blood stress, coma, and dying. This kind of response can be triggered all of a sudden, or the onset could be delayed. The nature of anaphylaxis is such that the response can seem to be subsiding but may recur throughout a time frame. Red, bumpy, itchy skin may be irritating, painful and embarrassing.
More serious symptoms like a drop in blood pressure and hassle respiratory may be life-threatening. Talk to your allergist and work with them to fill out a Food Allergy & Anaphylaxis Emergency Care Plan to be prepared in an emergency. A complete record of signs of a food allergy reaction is out there right here.