Hello Dear and thanks for the query
The symptoms you have explained in your query are more related to the infection. The infection may be bacterial, viral or fungal or combination of all. You needs to get medical treatment and certain precautions:
1. Apply antibacterial cream to the infected area.
2. Wash the area with antibacterial soap or solution 2-4 times a day.
3. Keep the part dry.
4. Oral course of antibiotic or antiviral
drugs may be needed as suggested by your doctor.
5. Try to protect the area to rub with the cloths (avoid friction)
Hope this will help you. Consult your doctor for further advise.