What is Kerydin: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Kerydin overview

BRAND NAMES:

  • Kerydin

Generic Names:

  • Tavaborole

Uses:

  • Treats fungal infection of the toenails.

Therapeutic Classes:

  • Antifungal

Forms:

  • Liquid

How it’s taken:

  • On the skin

What is Kerydin used for?

What form(s) does Kerydin come in

  • Liquid

What are common Kerydin doses?

  • Bottle 4ML of 5%

  • Bottle 10ML of 5%

Common Kerydin prescriptions

  • Kerydin
    10ml of 5% bottle

  • Kerydin
    4ml of 5% bottle

How to take Kerydin

  • Use this medicine as directed.

  • This medicine is for use on the toenails and surrounding skin only. Do not use it in the eyes, mouth, or vagina.

  • Topical application routeWash your hands with soap and water before and after you use this medicine.

  • Your toenails must be clean and dry when you put the medicine on.

  • Use the dropper tip to apply the medicine over the entire toenail and under the tip of the toenail.

  • Wipe away any excess liquid from the surrounding skin. Let the medicine dry completely after you apply it.

  • Ask your doctor before you use nail polish or other nail products (such as gel nails or acrylic nails) while you are being treated with this medicine.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Missed dose: Topical application routeApply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Throw away any unused medicine after 3 months.

  • Wipe away any excess liquid from the surrounding skin. Let the medicine dry completely after you apply it.

  • Topical application routeWash your hands with soap and water before and after you use this medicine.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • This medicine is for use on the toenails and surrounding skin only. Do not use it in the eyes, mouth, or vagina.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Use the dropper tip to apply the medicine over the entire toenail and under the tip of the toenail.

  • Your toenails must be clean and dry when you put the medicine on.

  • Use this medicine as directed.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Throw away any unused medicine after 3 months.

  • Ask your doctor before you use nail polish or other nail products (such as gel nails or acrylic nails) while you are being treated with this medicine.

  • Missed dose: Topical application routeApply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.

What to do if you miss a dose of Kerydin

Kerydin contraindications

  • This medicine is generally considered safe for most people. Talk to your doctor if you have concerns.

Kerydin warnings

  • Tell your doctor if you are pregnant or breastfeeding.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • This medicine can catch fire. Do not use it near heat, an open flame, or while smoking.

Kerydin interactions

  • Tell your doctor if you are pregnant or breastfeeding.

  • This medicine can catch fire. Do not use it near heat, an open flame, or while smoking.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Kerydin side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Ingrown toenail

Less Serious Side Effects

  • Ingrown toenail

  • Burning, itching, pain, stinging, or redness at the application site

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