Rash in short: is an acute and widespread temporary reddish eruption on the skin. A rash can develop in individuals that are sensitive to a particular drug, prescription or nonprescription. The rashes are characterized by itching of an intensity that can interfere with sleep or normal activities. The rash results from the entire body reacting to the drug itself and usually develops early in treatment rather than after the drug has been taken for a period of time.

Rash is a change in the skin which affects its appearance and or texture. Most often a rash is localised to one part of the body, but other times it can have an affect on the entire body. Rashes can cause the skin to change color, become bumpy, dry, itchy, swell among other things that can result in alot of pain. Because of the wide array of rash symptoms treatments also vary widely. A proper diagnosis should look at all of the visual and physical symptoms of the rash, and also what the possible cause of the rash was. Often times the area in which the rash exists can tell alot about it's condition, and where it is going. Rashes are often times associated and a result of diseases. For example, measles with cause a rash, that begins a few days after the fever begins.

The most common causes of rashes today are: allergies, (ex. allerfic reaction to: foods, animeals, dyes, medicines, insect stings,etc), skin contact with an irritant, infection or reaction to a vaccine, skin diseases such as eczema or acne, autoimmune disorders such as psoriasis, cancer or other disease, pregnancy and, exposure to sun or heat.