defines an itchy rash with white bumps as acute urticaria, or hives. Typically, the rash develops from an allergic reaction to a food or medicine, or in response to exercise or heat. The itchy wheals or bum... More »

Itchy red bump disease, also known as papular dermatitis, is characterized by an itchy rash and swollen, reddened skin that may flake off or ooze, reports the Mayo Clinic. There are several types of dermatitis. More » Health Conditions & Diseases Skin Conditions

Itchy red bumps that appear on the knuckles of the hand can be caused by granuloma annulare, a skin condition, explains the American Osteopathic College of Dermatology. These bumps are usually large and circular, forming... More »

An allergic skin rash may occur as a small, localized rash with face bumps, or as a whole-body rash like hives, says EMedicine Health. An allergic reaction may include one or many symptoms. More » Health Conditions & Diseases Skin Conditions

Signs of skin irritations caused by an allergic reaction include hives that produce welts or red bumps and a rash that itches and burns due to contact dermatitis, which is a condition that results when the skin is in con... More »

Milk spots, also known as milia, often resolve without any treatment, explains In severe and persistent cases, a doctor can prick the milia with a fine needle and express the contents. Cryotherapy, dermabr... More » Beauty & Fashion Skin Care Skin Blemishes

Itchy bumps are often the result of seborrheic dermatitis, states WebMD. Other conditions that cause red bumps and itchiness include folliculitis, acne keloidalis nuchae, head lice, ringworm and psoriasis, according to S... More » Beauty & Fashion Skin Care Skin Blemishes