Red rashes on the back may be related to corn rashes, acne, folliculitis, psoriasis and so on.
1. Corns Rash: Also known as prickly heat, it may be due to the lack of breathability of clothes, etc., which causes sweat on the back to not evaporate in time, resulting in soaked and swollen stratum corneum. This causes rupture of sweat ducts, sweat leakage, etc., resulting in a red rash on the back.
2. Acne: Commonly found in adolescents, due to androgens as well as increased sebum secretion, Propionibacterium acnes infection and other reasons. It leads to localized follicle infection and inflammation, which may manifest as a red rash on the back.
3. Folliculitis: may be related to bacterial infection, may also be caused by fungi such as Malassezia infection. It leads to inflammation of the hair follicles on the back and may manifest as a red rash.
4. Psoriasis: is a chronic inflammatory skin disease that can manifest as a red rash, usually covered with silvery scales.
Red rashes on the back can also be seen in other causes, it is recommended to seek medical advice, follow the doctor’s instructions to carry out relevant examinations, with the help of the doctor to clarify the nature, and targeted treatment or therapy.