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Scabies is an itchy rash caused by the human itch mite. It looks like small red bumps that form a line, caused when mites feed and live under the top layer of skin. Mites are transmitted by skin contact between people, often in long-term care facilities.
Contact dermatitis is a condition that causes an itchy, red rash when your skin comes in contact with an allergen (like poison ivy) or irritant (like bleach).
Hives, rosacea, or several other skin conditions can cause pimple -like rashes on the face or body. The rash may be red or otherwise discolored, itchy, or inflamed. This article will cover the common causes of pimple-like rashes, how to treat them, and when to see a healthcare provider. J_art / Getty Images.
What it looks like: Also called urticaria, hives are raised welts in the skin that appear red or discolored. They range in size from small bumps to larger patches.
Red or discolored spots on the skin have a variety of possible causes. For example, contact with something irritating can cause dermatitis, a fungal infection is responsible for ringworm, burst blood vessels cause spots known as purpura, and some autoimmune conditions can cause rashes.
itchy, small red bumps on lighter skin tones and more plum-like in color on darker skin tones; quick to develop – typically immediately after being bitten
Rashes and bumps that look like pimples include keratosis pilaris, heat rash, staph infection, rosacea, perioral dermatitis, contact dermatitis, atopic dermatitis, milia, sebaceous hyperplasia, molluscum contagiosum, folliculitis, swimmer’s itch, and rarely skin cancer.