It is used to treat certain types of fungal infections (e.g., fingernail or toenail).

Reactions and irritations to vitamin C can occur if you have allergies or sensitive skin.

It is contraindiacted in patients with known hypersensitivity to the drug.

Before taking it, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: immune system problems, kidney disease, liver disease, lupus.

This medication may make you more sensitive to the sun. Limit your time in the sun. Avoid tanning booths and sunlamps. Use sunscreen and wear protective clothing when outdoors. Tell your doctor right away if you get sunburned or have skin blisters/redness.

It may take several months after you finish treatment to see the full benefit of this drug. It takes time for your new healthy nails to grow out and replace the infected nails.

Please consult your doctor when taking this medicine if you are pregnant.

Warfarin, drugs affecting liver enzymes that remove terbinafine from your body (such as amiodarone, cimetidine, rifampin, azole antifungals such as fluconazole/ketoconazole), drugs removed from your body by certain liver enzymes (such as tricyclic antidepressants, SSRI antidepressants, beta blockers, dextromethorphan, thioridazine, drugs to treat heart rhythm problems, monoamine oxidase inhibitors type B such as rasagiline).