Seems like a fungal infection....but there can be other reasons too like
- dry skin
-infection
-wrong food combination diet according to ayurveda
Your diet and lifestyle needs to be corrected to avoid recurrence of this kind of skin problems!!
Ayurveda is very efficient in skin disease!
Consult properly first
Next Steps
avoid sour, fermented bakery stale foods,avoid anything with milk,have milk individually
sleep and wakeup on time
sweet spice oil and sour things should be totally avoided