Hello, It appears to be Tinea cruris infection. Are there any maculopapular lesions or only itching with powdery substance? The are needs to be kept dry, and local application of MYCODERM - C powder twice a day, plus oral antifungal tablets like FLUCONAXOLE 150 mg, once a week for 8 to 9 weeks . Plus itching is troublesome levocetirizine daily once may be used.
All the inners should be boiled and cleaned to prevent further spreading and reinfection.
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