These infections are caused by a group of fungi called dermatophytes. Terbinafine, the active ingredient in Lamisil tablets, works by killing the dermatophytes. Ask your doctor if you have any ...

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 ...

Terbinafine (as HCl) 1%. ≥12yrs: apply twice daily (AM & PM). Improvement may continue for 2–6 weeks after therapy completed. T. pedis (interdigital), t. corporis, t. cruris: apply for 1 week ...

"If it's not responding to Lamisil or Terbinafine, then an 'azole' like Itraconazole is the drug to go for. And people may have to be treated for a few months under careful review," he said.