What Increases Your Risk. Your risk of getting ringworm is higher if: You come in contact with a person who has a fungal infection or with a carrier, a person who has the fungi but does not have symptoms. Occasionally when ringworm is examined preparations like Lamisil, Micatin, and Lotrimin work well if applied three or four times a day for several weeks. Why Use Anti-Fungal Toenail Fungus Cream? One of the advantages of using a cream is that it is so incredibly easy to apply. All that you have to do is rub them into your skin where the infection is and let the ingredients get to work. Lamisil is the brand name of the drug terbinafine, prescribed to treat fingernail and toenail fungal infections. The medicine is also used to treat ringworm, infections of the scalp, jock itch. Does Lamisil Cream Cure Toenail Fungus? Lamisil is the brand name for terbinafine. This is an over-the-counter treatment for toenail fungal infections and athlete's foot (ringworm of the feet). Ringworm (tinea or dermatophytosis) is a type of fungal infection of the skin that actually has nothing to do with worms. The infection can occur just about anywhere on the body and has different names depending on which part of the body it affects. Consisting of a florid overgrowth due to exposure to fungal spores. Easily treated. Answers from trusted physicians on strongest antifungal cream over the counter. First: requires Rx Ringworm is quite a common fungal infection of the skin but contrary to popular belief, it is not caused by an actual worm. The infection causes a scaly, crusty rash that can look like a round and red patch on the skin. Many other skin conditions look similar enough to ringworm, ringworm look-alikes, for the diagnosis to be commonly confused.