Fungal infection is becoming an increasing problem due to rampant usage of antifungals. Please see a dermatologist as some extra medications are co-prescribed many a times to treat. If needed a simple skin test can also be done. Till then use only OTC anti-allergic medications to control itching. Personal hygiene should be good. Wear loose fitting clothes
Next Steps
Meet a Dermatologist or you can consult through practo direct.
Health Tips
Fungal infection like this should resolve in a period of one month unless otherwise.