Thank you for your medical query at AskTheDoctor.com
I understand your concern.
It is better you get yourself examined first to confirm fungal infection. If it is confirmed, the treatment is fine, and the itching will resolve.
The rash in the thighs could be due to an allergy, you can try Tab. Claritin ( Loratadine ) 10 mg once daily at bedtime for 3-5 days.
Hope this was helpful,
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