Lymeclopram contains the ingredient terbinafine hydrochloride, and there are preparations of topical drug terbinafine hydrochloride cream, as well as oral drug terbinafine hydrochloride tablets, which are more effective for the treatment of gray nails. Usually, you need to take oral Lemetil tablets once a day, two capsules at a time, for three months, mainly for the case of gray nails on the fingernails. For toe nails with gray nails, you need to take it orally for about six months continuously, and you should also apply Lansomil cream twice a day for a very good treatment effect. You need to have blood tests and liver and kidney tests before and after treatment to monitor the corresponding side effects, and you also need to have fungal microscopy tests in order to detect whether the cure is achieved in terms of laboratory tests.