Red bumps under the armpits may be caused by eczema, folliculitis, insect bite dermatitis and other diseases.
1. Eczema: the armpits are easy to be in a moist state, which may induce eczema, manifested as red bumps with itching, blisters, oozing and other symptoms in the armpits.
2. Folliculitis: hair follicles are infected by bacteria, fungi and other pathogenic microorganisms after inflammation, manifested as redness and swelling of hair follicles and the surrounding skin, raised, and even the center of the pustules, which may be painless or have slight pain.
3. Insect bite dermatitis: when the skin in the armpit area is bitten by insects, the toxic substances secreted by the insects will invade the lesion area, and the symptom of red bumps under the armpit will also appear, accompanied by itching or pain.
Symptoms of red bumps under the armpits, we should go to the regular hospital in time, under the guidance of the doctor to carry out targeted treatment, so as not to delay the condition.