Rashes in the armpits may be caused by folliculitis, eczema, ringworm, etc., and need to be analyzed specifically.
1. Folliculitis: Due to the moist and airless environment of the armpits, it is easy to lead to infection by bacteria and other pathogens, thus causing folliculitis and other manifestations.
2. Eczema: there are many causes of eczema, which may be related to infection, heredity, diet and other factors. Excessive secretion of sweat glands in the armpits and excessive sweat in the armpits can also lead to the appearance of eczema, which is often manifested as erythema, pimples, blisters and other conditions.
3. Ringworm: fungal infection of the surface layer of the skin can easily cause a red rash, lesions in a wide range, when the fungus infects the armpit skin will lead to armpit rash, accompanied by itchy symptoms, the need for timely antifungal treatment.
There may be other causes of underarm rash, it is recommended to consult a doctor to clarify the cause of the disease and carry out targeted treatment or therapy.