It can happen with products such as shaving lotion, sunscreen and some perfumes. Eczema, also referred to as atopic dermatitis, affects  between 10 and 20 percent of kids and 1 to 3 p.c of adults. A frequent symptom of eczema is dry, red, irritated and itchy skin.
Host components include heredity, intercourse, race, and age, with heredity being by far the most vital. However, there have been latest increases in the incidence of allergic disorders that can't be defined by genetic components alone. Four major environmental candidates are alterations in exposure to infectious ailments throughout early childhood, environmental air pollution, allergen levels, and dietary changes. Certain diets are formulated to scale back the itch brought on by atopic dermatitis.
“The lotions that you simply buy can produce problems that make your unique drawback even worse,” Katz says. Because rashes may be brought on by many alternative things—bacteria, viruses, drugs, allergies, genetic problems, and even light—it’s essential to figure out what sort of dermatitis you have. “The most typical form of dermatitis that's seen anyplace is an allergic contact dermatitis to nickel,” says Katz. Because of ear piercing.” Many  inexpensive earrings are manufactured from nickel, and over time, sporting nickel earrings can cause an allergic reaction to the steel. The symptoms of those various sorts of rashes often overlap. “Itching is a typical symptom for all these issues,” says Dr. Stephen I. Katz, director of NIH’s National Institute of Arthritis and Musculoskeletal and Skin Diseases.
With elements that improve pores and skin well being and scale back the inflammatory response, these diets can cut back itching in allergic pets. These diets are often obtainable out of your veterinarian. The term atopic dermatitis within the canine is usually used as a synonym for atopy. The main allergens are tree pollens (cedar, ash, oak, etc.), grass pollens, weed pollens , molds, mildew, and house dust mites. Many of those allergies occur seasonally, such as ragweed, cedar, and grass pollens.
A contact allergy is the least frequent type of allergy in canine. It outcomes from direct contact with allergens, similar to pyrethrins, present in flea collars, pesticides, grasses, and supplies, similar to wool or synthetics, used in carpets or bedding. Contact allergy symptoms can develop into practically something and at any age.