Lamisil helps provide effective relief from the itching and burning, cracking and scaling which accompanies these conditions. Terbinafine appears to be a relatively safe drug. If you don't have any treatment. Lamisil provides long lasting protection from athlete's foot and ringworm. Terbinafine appears to be a relatively safe drug. Lamisil helps provide effective relief from the itching and burning, cracking and scaling which accompanies these conditions. Terbinafine tablets seem to work better than other antifungal drugs.