hello dear it looks like u r suffering from a fungal infection
called tinea cruris
, due to excessive itching u might be getting bleeding in that area. u can try the following.
tab fluconazole 150 mg once a week for 4 weeks
oint clodid b for 15 days followed by oint clotrimazole
for another 15 days.
tab cetrizine 10 mg daily in night for 7 days.
if u dont get relief with these medications in a week, please meet a dermatologist