blister(s) or bump(s) on leg(s)

blister(s) or bump(s) on skin, itching, rash, redness in skin

Atopic dermatitis, sometimes called eczema, is a kind of dermatitis, an atopic skin disease. Atopic dermatitis afflicts humans, particularly young children; it is also a well-characterized disease in domestic dogs. ... 

a painful swelling in skin, blister(s) or bump(s) on skin, lump(s) in skin, redness in skin

Boil or furuncle is a skin disease caused by the inflammation of hair follicles, thus resulting in the localized accumulation of pus and dead tissues. Individual boils can cluster together and form an interconnected network of boils called carbuncles. In severe cases, boils may develop to form abscesses. ... 

blister(s) or bump(s) on skin, itching, lump or swelling on leg(s), lump(s) in skin

blister(s) or bump(s) on arm(s), blister(s) or bump(s) on leg(s), rash, redness in skin

Keratosis pilaris (KP) is a very common genetic follicular condition that is manifested by the appearance of rough bumps on the skin and hence colloquially referred to as "chicken skin". It most often appears on the back and outer sides of the upper arms (though the lower arms can also be affected), and can also occur on the thighs and tops of legs, flanks, buttocks or any body part except glabrous skin (like the palms or soles of feet). Less commonly, lesions appear on the face and may be mistaken for acne. ... 

blister(s) or bump(s) on skin, itching, lump(s) in skin, rash

Urticaria or hives is a relatively common form of allergic reaction that causes raised red skin welts. Urticaria is also known as nettle rash or uredo. These welts can be 5 mm (0.2 inches) in diameter or more, itch severely, and often have a pale border. Urticaria is generally caused by direct contact with an allergenic substance, or an immune response to food or some other allergen. Hives can be caused by stress. ... 

blister(s) or bump(s) on skin, pain in skin, redness in skin, scaly patches on skin

Burns can be caused by dry heat (like fire), wet heat (such as steam or hot liquids), radiation, friction, heated objects, the sun, electricity, or chemicals. ... 

blister(s) or bump(s) on skin, itching, rash, redness in skin

Contact dermatitis is a term for a skin reaction resulting from exposure to allergens or irritants. Phototoxic dermatitis occurs when the allergen or irritant is activated by sunlight. ... 

puffy face, stomach pain, upper abdominal pain, vomiting

blister(s) or bump(s) on skin, itching

Flea is the common name for any of the small wingless insects of the order Siphonaptera (some authorities use the name Aphaniptera because it is older, but names above family rank do not follow the rules of priority, so most taxonomists use the more familiar name). Fleas are external parasites, living by hematophagy off the blood of mammals and birds, and genetic and morphological evidence indicates that they are descendants of the Scorpionfly family Boreidae, which are also flightless; accordingly it is possible that they will eventually be reclassified as a suborder within the Mecoptera. In the past, however, it was most commonly supposed that fleas had evolved from the flies (Diptera), based on similarities of the larvae. ... 

blister(s) or bump(s) on skin, lump or swelling on face, lump(s) in skin, pus draining from skin

Folliculitis is inflammation of one or more hair follicles. The condition may occur anywhere on the skin. ...