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Types of Bumps

Acne
Acne

Acne vulgaris is the medical name for common acne -- the presence of blackheads, whiteheads, and other types of pimples on the skin. The most common spots for breakouts are the face, chest, shoulders, and back.

source: webmd.com
image: yoderm.com
Actinic Keratosis
Actinic Keratosis

Actinic keratoses usually develop in areas that’ve been damaged by years of sun exposure. They form when you have actinic keratosis (AK), which is a very common skin condition. AK occurs when skin cells called keratinocytes start to grow abnormally, forming scaly, discolored spots.

Anthrax
Anthrax

Injection anthrax symptoms are similar to those of cutaneous anthrax, but injection anthrax can spread throughout the body faster and be harder to recognize and treat than cutaneous anthrax. Skin and injection site infections associated with injection drug use are common and do not necessarily mean the person has anthrax.

source: cdc.gov
Atopic Dermatitis
Atopic Dermatitis

Food allergies do not cause atopic dermatitis. However, having atopic dermatitis may indicate an increased risk for food allergies, such as to peanuts for example. Atopic dermatitis isn't contagious.

source: webmd.com
image: healthhub.sg
Bedbugs
Bedbugs

The first sign of bedbugs may be red, itchy bites on the skin, usually on the arms or shoulders.

source: webmd.com
Birthmark
Birthmark

The cause varies with the type of birthmark. Some birthmarks form when blood vessels do not form properly. This can cause your baby to have one of the following birthmarks: Strawberry hemangioma ; Deep hemangioma ; Port-wine stain ; Salmon patch ; Other birthmarks appear when cells that give our skin color, melanocytes (meh-lan-oh-cites), clump together.

source: aad.org
image: aad.org
Boils (Skin Abscesses)
Boils (Skin Abscesses)

A boil is a common, painful infection of a hair follicle and the surrounding skin. It begins as a red lump, then fills with pus as white blood cells rush in to fight the infection. Good home care can often clear up a single boil, also known as a skin abscess.

source: webmd.com
Bug Bites and Stings
Bug Bites and Stings

Most bug bites and stings from common insects are harmless and heal quickly. But some bug bites and stings, like those from fire ants, wasps, hornets, and bees, may cause intense pain or even a serious allergic reaction. Others, like poisonous spider bites, require immediate emergency medical care.

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