China Naming Network - Eight-character Q&A - The weather is hot and the chest is red.
The weather is hot and the chest is red.
Problem analysis:
The sweat spot you mentioned belongs to the situation caused by fungal infection. It belongs to superficial fungal infection and can be treated with general antifungal drugs.
Suggestion:
It is recommended to take a bath with topical ketoconazole lotion at least three times a week. Terbinafine ointment for external use, twice a day, can be applied first.