You have probably developed a fungal infection . This is my guess since I haven't examined you. So to find out it is better that you visit an allopathic dermatologist near you personally . Using creams without dermatologists advise usually never helps and only worsens the condition. Depending on the severity of the condition and the diagnosis, the dermatologist will decide if you need oral medicines as well along with creams.
Next Steps
visit an allopathic dermatologist near you . Read the link before you choose your dermatologist please .
http://www.skinmatra.com/single-post/2016/07/03/Skin-Troubles-Here-is-WHAT-NOT-TO-DO
Health Tips
Avoid self medication. You never know if you are using harmful molecules like steroids that can cause permanent skin damage.