Hives (urticaria) are raised, itchy welts that result from an allergic reaction to ... They commonly occur under the skin and are typically harmless. Raised skin bumps can stem from various ...

A drug rash, or a skin reaction to a drug, can appear as discoloration, bumps, blisters, urticaria (hives), itching ... may be accompanied by angioedema (swelling under the skin that can occur in the ...

The University of Maryland neuroscientist had noticed hundreds of dark bumps all ... some alligator skin under the microscope and began her own investigation. Her first reaction was disappointment.

Nose piercing allergy bumps are generally small but may be ... particularly if there is any trapped pus under the skin. How to treat it: Some infections may be dangerous if you don't get medical ...

Dermatofibromas are hard brown or red lumps under the skin. They usually develop on exposed areas of skin, such as the legs, arms, and back. Dermatofibromas do not develop into cancer. In general ...

which can form as a reaction to something like a bug bite or ingrown hair. “A patient will come in and tell me that she’s had this bump that’s been on her skin for years and it never goes ...

Aquagenic urticaria is a rare condition where people have an allergic skin reaction to water. The reaction typically involves hives and bumps and can occur as often as several times a day.

If tongue bumps appear suddenly, they may be due to an underlying condition, such as an infection or allergy. A person should contact a doctor if they experience new or painful tongue bumps.

Allergic contact dermatitis: This is an allergic reaction ... Irritant contact dermatitis: Bumps near the vaginal area may occur if your skin adversely reacts to friction with an irritant.