Don't worry...100% cure possible with specific medicine...Fungus or yeast infection....common around skin folds like thighs and genitals.. avoid sweating, sharing clothes,towels and soap.. specific medicine required depends on the severity.. for detailed prescription do direct online consultation by sending photos.

Fungal treatment is a multimodal treatment now.you need to take complete course of treatment for about 2months to prevent recurrence. Also family members need to be treated if affected Hygiene maintenance is of utmost importance

U must have used some wrong creams containing steroids Consult me online for treatment

Fungal infection resulting in rashes with itching occurring at skin fold in the body like groins, armpits and buttock ares are opportunitstic infections on the skin. They are very simple infections and gets cured completely if you follow proper hygiene, do’s and don’ts advised by dermatologist and following the prescription without break in the course and confirming the cure by dermatologist after the specified treatment period. Any deviations from the above said things will result in repeated infection

In such situations you should make sure you don't have infection in your nails too and in  any members of your family. Try to keep the area clean and dry as much as possible. Multiple drug therapy may be required and sometimes need to check out associated immune suppression.