that pls use some antifungal like nystatin, miconazole, tolnaftate, terbinafine
,ketaconazole and clotrimazole.You can consult a pharmacist and get any cream or lotion containing these ingredients. Some of them are Lamisil, Monistat derm, Mycelex, and Nizoral.
If the symptoms persist then STD’s have to be ruled out.It can be done by swab cultures and urine culutures.
Hope it helps.Take care and pls do keep us posted if you have any additional queries. Kind regards.