Impetigo -- Common in children, this infection is from bacteria that live in the top layers of the skin. It appears as red sores that turn into blisters, ooze, then for a honey colored crust over. Shingles -- A painful blistered skin condition caused by the same virus as chickenpox. The virus can lie dormant in your body for many years and re-emerge as shingles. It usually affects only one side of the body. Childhood illnesses such as chickenpox, measles, roseola, rubella, hand-foot-mouth disease, fifth disease, and scarlet fever.
Medicines and insect bites or stings. Many medical conditions can cause a rash as well. These include: Lupus erythematosus an immune system disease Rheumatoid arthritis, especially the juvenile type Kawasaki disease inflammation of the blood vessels Certain body-wide systemic viral, bacterial or fungal infections Home Care Most simple rashes will improve with gentle skin care and by avoiding irritating substances.
Follow these general guidelines: Avoid scrubbing your skin. Use gentle cleansers Avoid applying cosmetic lotions or ointments directly on the rash.
Use warm not hot water for cleaning. Pat dry, don't rub. Stop using any recently added cosmetics or lotions. Leave the affected area exposed to the air as much as possible. Try calamine medicated lotion for poison ivy, oak, or sumac, as well as for other types of contact dermatitis. When to Contact a Medical Professional Call or the local emergency number if: You are short of breath, your throat is tight, or your face is swollen Your child has a purple rash that looks like a bruise Call your health care provider if: You have joint pain, fever, or a sore throat You have streaks of redness, swelling, or very tender areas as these may indicate an infection You are taking a new medicine -- DO NOT change or stop any of your medicines without talking to your provider You may have a tick bite Home treatment doesn't work, or your symptoms get worse What to Expect at Your Office Visit Your provider will perform a physical examination and ask about your medical history and symptoms.
Questions may include: When did the rash begin? What parts of your body are affected? Does anything make the rash better? Have you used any new soaps, detergents, lotions, or cosmetics recently? Have you been in any wooded areas recently? Have you noticed a tick or insect bite?
Have you had any change in your medicines? Have you eaten anything unusual? Do you have any other symptoms, like itching or scaling? Products and services. Previous Next 1 of 12 Atopic dermatitis Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune system disorders and medications. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information.
Please try again. Something went wrong on our side, please try again. Show references Bolognia JL, et al. Pruritus and dysesthesia. In: Dermatology. Philadelphia, Pa. Accessed July 27, Goldsmith LA, et al. Atopic dermatitis. In: Fitzpatrick's Dermatology in General Medicine.
New York, N. Accessed July 28, Bolognia JL, et al. Protozoa and worms. Shingles Herpes zoster : Vaccination. Centers for Disease Control and Prevention.
Habif TP. Acne, rosacea, and related disorders. Edinburgh, U. Accessed June 20, Rochester, Minn. Red, itchy rash? Get the skinny on dermatitis.
If this is the case, go to the emergency room. This could be caused by an allergic reaction or an infection. Examples of rashes caused by infection include scarlet fever, measles, mononucleosis, and shingles. The rash is sudden and spreads rapidly. This could be the result of an allergy.
Allergies to medications are common, and some can be serious. If breathing becomes difficult, go to the emergency room or call The rash begins to blister. If your rash is made up of blisters, or if the rash turns into open sores, it could be the result of an allergic reaction, a reaction to medication, or an internal cause. Seek medical attention if a blistering rash affects the skin around your eyes, multiple areas in your mouth, or your genitals.
The rash is infected. If you have an itchy rash and you scratch it, it may become infected. Signs of an infected rash are yellow or green fluid, swelling, crusting, pain, and warmth in the area of the rash, or a red streak coming from the rash.
Rashes can come in many forms and, depending on the cause, take days or even weeks to heal. Rather than treating the rash on your own, see a board-certified dermatologist for the proper diagnosis and treatment.
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