There is no authoritative information on how long itraconazole capsules will take to grow normal nails. For onychomycosis, generally 1~2 months after using the drug can grow normal nails, the specific time varies from person to person. Itraconazole capsule belongs to a kind of antifungal drugs, in the clinic can be used for the treatment of onychomycosis, lichen planus, fungal keratitis and other diseases. At present, there is no relevant authoritative information on how long itraconazole capsules grow normal nails, the regular course of treatment for onychomycosis is 4-6 months. However, after systematic treatment for onychomycosis, under normal circumstances, 2~4 fingers can grow normal nails after taking itraconazole capsules for 1 month. Secondly, after taking itraconazole capsules for 2 months, thumbnails can grow normal nails, indicating that the treatment is effective. Because the actual situation of each patient is different, so taking itraconazole capsules after the specific when can grow new nails, there are obvious individual differences, can not be generalized. All in all, patients need to take itraconazole capsules under the guidance of the doctor, strengthen the daily life management, and go to the hospital on time for follow-up.