is a rare rash that presents as blackheads or pimple-like bumps under the skin, which may burst and ooze pus. It occurs where skin rubs against skin, so it is common in the inner thighs ...

Also known as prickly heat, this rash looks like clusters of small red pimples ... the inner thighs and groin area. Hidradenitis suppurativa usually shows up as blackheads or painful red bumps ...

A rash on the inner thigh or near the groin can be caused ... Possible symptoms associated with this type of rash include: ...

A small bump on your inner thigh or elsewhere on your body may be a boil. This pus-filled bump is also called a furuncle. It’s often caused by an infection within a hair follicle or oil gland.