a painful lump in groin

dental problems, lump or swelling in groin in males, lump or swelling on leg(s), lump(s) in skin

An abscess is a collection of pus that has accumulated in a cavity formed by the tissue on the basis of an infectious process (usually caused by bacteria or parasites) or other foreign materials (e.g. splinters or bullet wounds). It is a defensive reaction of the tissue to prevent the spread of infectious materials to other parts of the body. ... 

bruises on leg(s), lump(s) in skin, pain in arm(s), pain in foot (feet)

A bruise or contusion or ecchymosis is a kind of injury, usually caused by blunt impact, in which the capillaries are damaged, allowing blood to seep into the surrounding tissue. They often induce pain but are not normally dangerous. Sometimes bruises can be serious, leading to other more life threatening forms of hematoma, or can be associated with serious injuries, including fractures and internal bleeding. Minor bruises are easily recognized by their characteristic blue or purple color in the days following the injury. ... 

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, impaired sensations in foot (feet), lump or swelling in groin in males, stomach pain

lump or swelling in groin in females, lump or swelling in groin in males, pain in neck, poor appetite

Lymphadenitis and lymphangitis are infection of the lymph nodes (also called lymph glands) and lymph channels, respectively. ... 

fever, lump or swelling on leg(s), lump(s) in skin, swollen ankle

Cellulitis is an inflammation of the connective tissue underlying the skin, that can be caused by a bacterial infection. Cellulitis can be caused by normal skin flora or by exogenous bacteria, and often occurs where the skin has previously been broken: cracks in the skin, cuts, burns, insect bites, surgical wounds, or sites of intravenous catheter insertion. The mainstay of therapy remains treatment with appropriate antibiotics. Skin on the face or lower legs is most commonly affected by this infection, though cellulitis can occur on any part of the body. Cellulitis may be superficial — affecting only the surface of the skin — but cellulitis may also affect the tissues underlying the skin and can spread to the lymph nodes and bloodstream. ... 

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. ... 

lump or swelling in groin in females, lump or swelling in groin in males, lump(s) in skin, poor appetite

Lymphadenopathy is a term meaning "disease of the lymph nodes." It is, however, almost synonymously used with "swollen/enlarged lymph nodes" ... 

pain in genital area in females, pain in scrotum or testicle, rash in genital area in females, rash in genital area in males

Herpes simplex virus 1 and 2 (HSV-1 and HSV-2) are two strains of the Herpes virus family, Herpesviridae, which cause infections in humans. HSV-1 and 2 are also referred to as Human Herpes Virus 1 and 2 (HHV-1 and HHV-2). ... 

fever, lump or swelling in groin in males, lump or swelling on leg(s), lump(s) in skin