Hello and welcome to healthcaremagic Tinea cruris or fungal infection are common in hot, humid weather conditions in summers. Groin folds trap sweat and moisture and thus provide an ideal environment for the fungus to proliferate. Fungal infections are more common in those who are diabetics Tinea cruris commonly presents as a red scaly patch, with central clearing and peripheral extension. There is variable scaling and itching over the patch. Diagnosis is clinical. A KOH scraping can be performed from the scale to confirm the diagnosis. However, with constant itching and scratching an element of eczema sets in and the skin of the folds becomes dark and thickened/velvety in texture I would suggest you to use an OTC antifungal e.g clotrimazole cream, twice daily for 4-6 weeks An OTC antihistamine e.g cetrizine 10mg once daily would provide you symptomatic relief from itching. I would also suggest an oral antifungal e.g fluconazole 150mg once weekly for 4-6 weeks. Fluconazole is a prescription drug and hence I would recommend you to visit a doctor before trying it. After treatment of fungal infection, it is the recurrence that is the main concern. Regular use of an antifungal dusting powder e.g clotrimazole dusting powder would keep the area dry and prevent new fungal proliferation General measures like wearing loose fitting clothes, bathing twice daily would discourage recurrence Regards