Dinkle generic name terbinafine hydrochloride cream, gray nails refers to onychomycosis. Terbinafine hydrochloride cream is not generally used for the treatment of onychomycosis, onychomycosis can choose oral terbinafine hydrochloride tablets for treatment, the specific use of drugs should follow the doctor’s instructions. Terbinafine hydrochloride cream is a broad-spectrum antifungal topical ointment, clinically suitable for the treatment of various ringworm (such as jock itch, tinea corporis, tinea cruris, tinea pedis, tinea pedis, tinea pedis) and skin candidiasis, generally not used for the treatment of gray nails (i.e., onychomycosis). Ringworm of the nails may be treated by switching to the oral medication terbinafine hydrochloride tablets. Both medications need to be contraindicated in people who are allergic to the product. Skin irritation or allergic reactions (e.g. rash, itching) may occasionally occur during the use of the cream, and should be discontinued and any localized residues washed off, and medical attention should be sought if necessary. Adverse reactions such as diarrhea, dyspepsia, abdominal pain, abnormal liver function tests, rash, urticaria, itching, and taste disturbances may occur during the use of tablets. Specific medication should be used under the guidance of a physician. It is recommended that patients with onychomycosis should go to the hospital in time and follow the doctor’s instructions for standardized treatment.