Pus in the armpit may be folliculitis, epidermal cyst secondary infection or insect bite dermatitis secondary infection.
1. Folliculitis: the hair follicles and their surrounding tissues in the armpits will cause folliculitis when they are infected by bacteria, and at the same time, the localized impermeability of the armpits may aggravate the symptoms. Common germs such as Staphylococcus aureus and so on, will lead to the formation of local inoculation in severe cases, accompanied by local redness, swelling, fever, pain and so on. Patients need anti-infection treatment, and incision and drainage are needed after abscess formation.
2. Epidermal cyst secondary infection: epidermal cyst is a kind of hair follicle obstruction caused by the disease, may be primary, can also be secondary, when stimulated or secondary infection, can be enlarged several times, the formation of a larger abscess, if not treated in a timely manner, there will be a tissue rupture and pus, it is recommended to go to the hospital in a timely manner for disinfection, incision and drainage, to reduce the infection.
3. Insect bite dermatitis secondary infection: mosquito bites the skin leading to local allergic reaction, so that the local swelling, if the mosquito carries germs or their own epidermal germs invade the skin, triggering an infection, which will lead to the production of abscesses. Patients need anti-infection treatment, abscess formation should be incised and drainage, and under the guidance of the doctor to use medication.
Underarm pus may also be caused by other diseases, it is recommended that patients go to the regular hospital in a timely manner, after a clear diagnosis under the guidance of the doctor standardized treatment.