- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Pustular psoriasis
Pustular psoriasis is a condition causing raised pus filled blisters on the skin and reddened skin.
- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Chickenpox (varicella)
Chickenpox is an illness that causes a red, itchy rash, fever, headache, sore throat, and body aches.
- Basal cell skin cancer
Basal cell skin cancer is a slow-growing skin cancer, that can look like a scaly, flesh-colored or brown patch.
- Sunburn
Sunburn causes a reddened, irritated area of skin caused by overexposure to the sun's rays or other UV light.
- Hives
Hives are red, raised areas of skin that can cause itching and are usually the result of an allergic reaction.
- Poison ivy, oak, and sumac
The toxin found in poison ivy, oak, and sumac causes an itchy, allergic rash with raised welts and blisters.
- Erythema nodosum
Erythema nodosum is an inflammation of the fatty layer below the skin causing painful, red lumps on the shins.
- Folliculitis
Folliculitis, an infection of one or more hair follicles, causes a tender, red patch of skin and blisters.
- Phlebitis
Phlebitis means inflammation of the veins, and can cause redness, itching, irritation, pain, and swelling.
- Pilonidal cyst
A pilonidal cyst forms under the skin at the tailbone, and usually contains skin debris and hair.
- Boil
A boil is a skin infection appearing as red tender lump that grows larger and more painful and oozes pus.
- Drug allergy
A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing.
- Anthrax (skin)
Anthrax is a deadly bacterial infection that causes symptoms such as blisters and swelling.
