The skin is the largest organ of the human body. In addition to being the largest organ, the skin also plays a very important role: It serves as the barrier between the inside of your body and the exterior elements. Your skin helps to keep the inside of your body protected from viruses and bacteria, and helps to regulate your internal temperature.
A rash is a noticeable change in the texture or color of your skin. Your skin may become scaly, bumpy, itchy, or otherwise irritated. Read full article on contact dermatitis.
The location, appearance and color of a rash will help your doctor make a diagnosis. Look for care suggestions on this chart for common rashes and other skin conditions. Is your face, chest or back covered in small, pus-filled sacs or pimples, blackheads or sore, red bumps?
To the untrained eye, all rashes may look alike and seem easily treatable with over-the-counter oral antihistamines or hydrocortisone cream. However, it is not always so simple, say dermatologists. Rashes can appear as blotches, welts or blisters; they can be red, itchy, scaly, or dry; and they can occur in one area of skin or all over the body. In addition, some rashes may come and go, while others never seem to go away.
Back to Healthy body. Atopic eczema, also known as atopic dermatitis, is the most common form of eczema and makes your skin itchy, red, dry and cracked. It's a long-term condition in most people, although it can improve over time, especially in children, who often grow out of it.
Childhood rashes are common and aren't usually a cause for concern. Most rashes are harmless and disappear without the need for treatment. They'll be able to investigate the cause and recommend any necessary treatment.
Drug rashes are the body's reaction to a certain medicine. Medicines have been linked to every type of rash, ranging from mild to life-threatening. The timing of the rash can also vary.
Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune system disorders and medications. One of the most common skin disorders that causes a rash is atopic dermatitis ay-TOP-ik dur-muh-TI-tisalso known as eczema. Atopic dermatitis is an ongoing chronic condition that makes skin red and itchy.
If you have a rash and notice any of the following symptoms, Dr. Kroshinsky recommends seeing a board-certified dermatologist or going to the emergency room:. This video is part of the Dermatology A to Z: Video Series, which offers videos demonstrating tips people can use to properly care for their skin, hair and nails.
The appearance can range from an almost incidental swelling of tissue to an outbreak of painful eruptive sores. Rashes can sometimes be tough to distinguish—even for a trained eye. Some rashes quickly resolve on their own, but others can be cause for concern. If you're worried about a rash, seek the advice of a dermatologist.