Generic Name: terbinafine (Topical route)
Commonly used brand name(s):
In the U.S.
Available Dosage Forms:
Therapeutic Class: Antifungal
Chemical Class: Allylamine
Terbinafine is used to treat infections caused by a fungus. It works by killing the fungus or preventing its growth.
Terbinafine is applied to the skin to treat:
This medicine is available both over-the-counter (OTC) and with your doctor's prescription.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Studies on this medicine have been done only in adult patients, and there is no specific information comparing use of terbinafine in children under the age of 12 with use in other age groups.
Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults. Although there is no specific information comparing use of terbinafine in the elderly with use in other age groups, this medicine is not expected to cause different side effects or problems in older people than it does in younger adults.
|All Trimesters||B||Animal studies have revealed no evidence of harm to the fetus, however, there are no adequate studies in pregnant women OR animal studies have shown an adverse effect, but adequate studies in pregnant women have failed to demonstrate a risk to the fetus.|
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
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.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
This section provides information on the proper use of a number of products that contain terbinafine. It may not be specific to Lamisil Dermgel. Please read with care.
Apply enough terbinafine cream to cover the affected and surrounding skin areas and rub in gently.
Apply enough terbinafine solution to wet and cover the affected and surrounding skin areas. Allow it to dry.
Keep this medicine away from the eyes, nose, mouth, and other mucous membranes. The solution may be especially irritating to the eyes.
Terbinafine spray solution contains alcohol and should not be applied to the face.
Do not apply an occlusive dressing (airtight covering, such as a tight bandage or plastic kitchen wrap) over this medicine unless you have been directed to do so by your doctor.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
To help clear up your infection completely, it is very important that you keep using terbinafine for the full time of treatment , even if your symptoms begin to clear up after a few days. Since fungus infections may be very slow to clear up, you may have to continue using this medicine every day for several weeks or more. If you stop using this medicine too soon, your symptoms may return. Do not miss any doses .
If you miss a dose of this medicine, apply it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Discontinue using this medicine and check with your doctor if increased irritation or possible sensitization (redness, itching, burning, blistering, swelling, or oozing) occurs while using the medication.
If your skin problem does not improve within 4 to 7 weeks, or if it becomes worse, check with your doctor.
To help clear up your infection completely and to help make sure it does not return, good health habits are also needed. The following measures will help reduce chafing and irritation and will also help keep the area cool and dry.
If you have any questions about these measures, check with your health care professional.
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
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.
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