Thanks for the query,
The description given by you is typical of Candida.
It is a fungal infection
You need treatment with topical as well as oral antifungals.
Along with that taking an antihistamine tablet will be benifitial.
Let me know you have any other doubts.
Please meet a dermatologist
for exact diagnosis.
you can ask a direct question to me on this forum, following the below link.
Wishing you good health.