What would cause a "pimple/bump/boil" in the crease of your leg? it releases blood then puss?

Foruncle?: If there is pus coming out it is an small abscess or foruncle usually caused by staphylococcus. All pus has to come out. Sometimes drs prescribe antibiotics to fight the infection. Some pts. Are prone to have recurrent small abscesses, like diabetics, pts. With staphylococcus in their noses, obese pts, immunosupressed other possibilities are infected sebaceous skin cysts which also require same.

Depends: Most people don't get pimples or blemishes in that area. If you are using a loofah in the shower it would help to stop. Also shaving may cause infections like this.

Infection: This is more common with being overweight, excessive sweating and diabetes. Do not squeeze, it may get much bigger. Use hot compresses to bring to a head naturally. If it does not respond oral antibiotics maybe necessary. Your other drugs and any history of drug alleries is very important if you see your doctor.

Abscess treatment: Pimples are acne. Boils are abscesses or bacterial infection that can cause from entry of bacteria into the skin through a pore or skin with a broken barrier. The pus that develops is a collection of white blood cells that the body uses to start treating the infection and bacteria builds up, together this causes pus. See a doctor to treat this because it can get serioius with spreading infection.

Trauma, infection or: It could result from occlusion of a pore, bacterial infection, or a congenital cyst that got inflammed by trauma.

Infection: It can start with an insect bite or trauma or irritation that then gets infected. Clean with antiseptic or hydrogen peroxide and apply otc topical antibiotic. If that doesn't help, then you'll need to see a doctor for a prescription topical antibiotic and oral antibiotic. They will probably need to take cultures as well to identify the offending organism.