blister(s) or bump(s) on skin

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

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 hand(s), itching, lump(s) in skin, puffy face

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. ... 

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

Bedbugs (or bed bugs) are small nocturnal insects of the family Cimicidae that live by hematophagy, feeding on the blood of humans and other warm-blooded hosts. ... 

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. ... 

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. ... 

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

Molluscum contagiosum (MC) is a viral infection of the skin or occasionally of the mucous membranes. MC infects humans, other primates and kangaroos. The infecting virus is a DNA poxvirus called the molluscum contagiosum virus (MCV). There are 4 types of MCV, MCV-1 to -4, with MCV-1 being the most prevalent and MCV-2 seen usually in adults and often sexually transmitted. The incidence of MC infections in young children is around 17% and peaks between 2-12 years of age. MC affects any area of the skin but is most common on the body, arms, and legs. It is spread through direct contact, saliva, or shared articles of clothing (including towels). ...