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.
In addition, fungal infections are aggravated in humidity and hence the area needs to be kept as dry as possible.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided.