Itchy red bumps in the armpits may be related to ringworm, hives, prickly heat, eczema and other causes.
1. Ringworm: It is mainly infected by Trichophyton rubrum, Trichophyton rubrum, Trichophyton floccosum and other infections, in which Trichophyton rubrum is predominant. The primary damage is red papules or small blisters, which may be accompanied by itching.
2. Urticaria: It may be related to diet, wearing clothes, hot and humid environment, etc., which causes local allergic reaction, leading to temporary expansion of small blood vessels in the skin mucosa and increase in permeability, resulting in erythema and doughnuts with itching.
3. Prickly heat: In summer or hot environment, the skin sweats a lot, which can lead to sweat duct obstruction. Then there are superficial inflammatory skin diseases, clinical manifestations of pinpoint-sized papules and blisters, itchy prickly sensation, surrounded by a red halo.
4. Eczema: inflammation of the superficial dermis and epidermis caused by heat, environmental humidity, friction and other reasons. The manifestation of pinhead to corn size papules, papules, often accompanied by itching.
Armpit a piece of red bumps very itchy can also be seen in other causes, it is recommended that timely medical treatment, follow the doctor’s instructions for relevant examinations, in the doctor’s help to clarify the cause, and targeted treatment or treatment.