Pimple Under Armpit Child. These could be small warts called molluscum which are common in children. Here are some of signs and symptoms of a rash on armpit that include the following.

The grim yet satisfying 20-second clip sees an unnamed lady squeezing pus from the large lump. At first glimpse it can look like red bumps or white pimples around armpit hair. May also show up on kneecaps palms soles scalp or face.
Hair Type and Ingrown Hairs.
However it may progress into painful. Those bumps could be caused by an epidermoid cyst noncancerous small bumps beneath the skin according to the Mayo Clinic. Baby underarm rash include heat rash eczema rubella fungal or yeast infections seborrheic dermatitis contact dermatitis erythrasma acanthosis Nigricans psoriasis ringworms among others Itchy armpit rash or itchy rash under armpit. Your skin is continually shedding tiny flakes and milia under your arms occurs when the dead flakes are trapped in small pockets near the surface of your skin.