The Manual was first published in as a service to the community. Learn more about our commitment to Global Medical Knowledge. This site complies with the HONcode standard for trustworthy health information: verify here. Common Health Topics. Sweating Disorders. Test your knowledge. Atopic dermatitis, commonly known as eczema, is a chronic condition that causes itchy inflammation of the upper layers of skin. Eczema is especially common in people who have hay fever or asthma, and in people whose family members have these conditions.
Eczema is common, particularly in urban areas and developed countries. The rash often looks red, but this may be less obvious on brown or black skin.
It can appear anywhere on the body and spread, but it cannot be passed on to other people. Look at other rashes in children. The main thing to do is keep your skin cool so you do not sweat and irritate the rash. The skin rash may ooze and itch. This rash is more common in people who are overweight and in people with diabetes.
Treatment involves keeping the areas dry, treating infections, and using antibiotic , antifungal, or steroid creams. Rosacea is a common skin condition that occurs on the faces of adults. Symptoms of rosacea include redness of the cheeks, nose, forehead, and chin.
Small blood vessels may be seen on the surface of the red skin, along with skin bumps and pimples, though this is not related to acne breakouts. Rosacea typically only affects the face, though in some cases it appears on the neck, chest, ears, scalp, or even the eyes.
The cause is unknown and there is no cure, although treatment with antibiotics can minimize symptoms. Another word for eczema is dermatitis, or inflammation of the skin. Eczema causes your skin to be itchy, cracked, red, and sometimes oozy. Scratching makes your skin red and inflamed. Eczema is not contagious, and common causes include detergents, soaps, wool, and synthetic fibers, dry skin , and stress.
Eczema is common in babies and children , but can be seen at any age. The best treatment is avoiding substances that your skin is sensitive to and following a regular moisturizing skin care routine.
Some topical and oral medications can help ease symptoms. Contact dermatitis can be caused by any allergy-causing substance or irritating substance that touches your skin. Irritating substances are more common and include solvents, pesticides, and detergents. Allergic contact dermatitis is commonly seen with poison ivy, cosmetics , certain metals such as nickel, and medications that are applied to the skin. The skin rash of contact dermatitis can appear as red skin, skin bumps, blisters, scales, crusts, or sores.
Itching is common. Treatment of contact dermatitis includes washing the skin and using anti-itch lotions and steroids.
Heat rash usually heals by cooling the skin and avoiding exposure to the heat that caused it. See your doctor if you or your child has symptoms that last longer than a few days, the rash seems to be getting worse, or you notice signs of infection, such as:.
Heat rash develops when some of your sweat ducts clog. Instead of evaporating, perspiration gets trapped beneath the skin, causing inflammation and rash. It's not always clear why the sweat ducts become blocked, but certain factors seem to play a role, including:. Heat rash usually heals without problems, but it can lead to infection with bacteria, causing inflamed and itchy pustules.
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