exposed skin, and are sometimes accompanied by signs of a burrow (small line in the skin).???Insect bites ??? Bites from fleas, mites, and other small bugs or insects can cause redness, swelling, and itching of the skin.???Other skin disorders ??? Conditions such as dermatitis herpetiformis, a skin eruption caused by an allergy to gluten (a protein found in wheat), can also resemble the reactions