It can occur with merchandise corresponding to shaving lotion, sunscreen and some perfumes. Eczema, also identified as atopic dermatitis, affects  between 10 and 20 % of youngsters and 1 to three % of adults. A common symptom of eczema is dry, red, irritated and itchy pores and skin.
Host factors embrace heredity, sex, race, and age, with heredity being by far essentially the most vital. However, there have been recent increases in the incidence of allergic disorders that can't be explained by genetic components alone. Four main environmental candidates are alterations in exposure to infectious illnesses throughout early childhood, environmental pollution, allergen ranges, and dietary changes. Certain diets are formulated to minimize back the itch attributable to atopic dermatitis.
The best way to prevent contact dermatitis is to avoid contact with the allergens or irritants that trigger your signs. If you probably can successfully avoid the irritants or allergens that set off your symptoms, your pores and skin will finally clear up. See a GP  in case you have persistent, recurrent or extreme signs of contact dermatitis.
While bug bites usually trigger rashes, even simply touching some bugs can cause rashes. For example, the white-marked tussock moth caterpillar is a standard caterpillar seen in Tennessee in the summer months. Curious children often contact its brightly coloured body. Many individuals develop a rash after touching the caterpillar or its cocoon hairs. One of the commonest rashes from a parasite infection is scabies.
A contact allergy is the least frequent sort of allergy in dogs. It results from direct contact with allergens, such as pyrethrins, found in flea collars, pesticides, grasses, and materials, similar to wool or synthetics, used in carpets or bedding. Contact allergic reactions can become practically anything and at any age.