The usual dose of Lamisil is one tablet (250 mg) each day. If you have kidney problems, the dose may be reduced to one-half a tablet each day. Take the Lamisil tablet with a full glass of water.

Depending on the concentration of the drug and the fungal species test in vitro, terbinafine hydrochloride may be fungicidal. Onychomycosis: confirm diagnosis with nail specimen. Perform LFTs ...