Terbinafine (Lamisil AT) is a topical treatment for fungal infections on the skin. It's available as a cream or spray that you apply on your skin. Both formulations can be used in people 12 years and older. This medication is generally well tolerated and doesn't have many side effects. You can find terbinafine (Lamisil AT) over the counter (OTC) as a brand name or generic.
Terbinafine (Lamisil AT) is an antifungal. It kills the fungus causing the infection by preventing it from forming its protective outer layer.
The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
See Risks and Warnings.
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
Rare
Dryness
redness
burning
peeling
rash
stinging
tingling
or other signs of skin irritation not present before use of this medicine
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Tips for using the spray
The amount of time it'll take for terbinafine (Lamisil AT) to work depends on the location of your infection and how severe it was before you started treatment. For most people, it takes about 1 week to treat jock itch and ringworm and 1 to 2 weeks for athlete's foot. For more severe infections, treatment could take longer. You might notice your symptoms getting better before 1 or 2 weeks, but make sure to continue using terbinafine (Lamisil AT) the entire time that's recommended. If you stop treatment too early, your infection could come back or become harder to treat.
You'll know terbinafine (Lamisil AT) is working if you start getting relief from your fungal infection symptoms, like itching, burning, cracking, and scaling. You'll typically start seeing improvement within 1 to 2 weeks of using the medication. If your symptoms are getting worse, contact your provider.
You shouldn't use terbinafine (Lamisil AT) on the nails, scalp, mouth, eyes, or in the vagina. This can lead to side effects or improper treatment of a different infection. If you do get terbinafine (Lamisil AT) in your eyes, make sure to rinse them well with water. If you're treating athlete's foot, avoid wearing tight-fitted shoes that aren't well ventilated to prevent your infection from getting worse.
Yes. Terbinafine (Lamisil AT) is over the counter. You don't need a prescription from a healthcare provider to get it. Ask your local pharmacist where you can find it inside the pharmacy.
Both terbinafine (Lamisil AT) cream and spray contain the same active ingredient and treat the same fungal skin infections. The main difference is that it's not known how well terbinafine (Lamisil AT) spray works for athlete's foot that's on the bottom or sides of the foot. The spray is only meant to be used between the toes, but the cream can be used between the toes and on the bottom and sides of the foot. The dosage for the cream and the spray is the same.
Terbinafine (Lamisil AT) can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
The spray version of terbinafine (Lamisil AT) is flammable and can catch on fire. Avoid open flames while you're applying the medication. Store the can in a cool, dry place away from heat and direct sunlight. Never puncture the can, throw it into a fire, or store it in high heat, even if you think it's empty. The spray can has pressure inside, so the can might burst.
| Dosage | Quantity | Price as low as | Price per unit |
|---|---|---|---|
| 30g of 1% | 1 tube | $6.35 | $6.35 |
| 12g of 1% | 1 tube | $7.38 | $7.38 |
| 15g of 1% | 1 tube | $4.43 | $4.43 |
Athlete's foot:
Jock itch and ringworm:
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Treatment and symptom relief (e.g., itching, irritation, redness) of the following fungal skin infections: