Brand: Lamisil, Lamisil AT, Terbinex
Generic: Terbinafine
Lamisil belongs to the group of medicines called antifungals.
It is used to treat fungus infections of the scalp, body, groin (jock itch), feet (athlete's foot), fingernails, and toenails.
This medicine is available only with your doctor's prescription.
Before using LamISIL, you must know all about the risks and complications associated with it.
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.
Appropriate studies have not been performed on the relationship of age to the effects of terbinafine oral granules in children younger than 4 years of age with fungal infections of the scalp. Safety and efficacy have not been established. Appropriate studies have not been performed on the relationship of age to the effects of terbinafine tablets in children with fungal infections of the fingernails or toenails.
Appropriate studies on the relationship of age to the effects of terbinafine oral granules have not been performed in the geriatric population. Safety and efficacy have not been established. Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of terbinafine tablets in the elderly. However, elderly patients are more likely to have age-related liver, kidney, or heart problems, which may require caution in patients receiving terbinafine tablets.
Pregnancy Category Explanation 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.
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 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.
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. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
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:
Use with caution. May make these conditions worse.
Use is not recommended in patients with this condition.
To use LamISIL properly, you must follow all instructions given by your doctor.
Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects.
This medicine comes with a patient information leaflet. Read and follow the instructions in the leaflet carefully. Ask your doctor if you have any questions.
Terbinafine tablets may be taken with food or on an empty stomach. However, it is best to take terbinafine oral granules with food. To help clear up your infection completely, it is very important that you keep using this medicine for the full time of treatment, even if your symptoms begin to clear up or you begin to feel better after a few days.
Since fungal infections may be very slow to clear up, you may need to take this medicine for several weeks or months. If you stop taking this medicine too soon, your symptoms may return.
This medicine works best when there is a constant amount in the blood. To help keep the amount constant, do not miss any doses. Also, it is best to take the doses at the same times every day. If you need help in planning the best time to take your medicine, check with your doctor.
If you are using the oral granules, you may sprinkle the contents on a spoonful of pudding or other soft, non-acidic food such as mashed potatoes. This mixture must be swallowed immediately without chewing. Do not use applesauce or fruit-based foods. If you will need two packets of oral granules with each dose, you may sprinkle the content of both packets on one spoonful or two spoonfuls of non-acidic food.
Avoid caffeine (coffee, soda, chocolate) while you are using this medicine. Terbinafine may cause caffeine to stay in your body longer than usual.
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.
For tinea capitis (fungus infections of the scalp):
For onychomycosis (fungus infections of the fingernails):
For onychomycosis (fungus infections of the toenails):
For tinea corporis (ringworm of the body):
For tinea cruris (ringworm of the groin, jock itch):
For tinea pedis (ringworm of the foot, athlete's foot):
If you miss a dose of this medicine, take 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. Do not double doses. If you miss a dose of terbinafine tablets, take it as soon as you can. If your next regular dose is less than 4 hours away, wait until then to use the medicine and skip the missed dose.
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. Ask your healthcare professional how you should dispose of any medicine you do not use.
Before using LamISIL, there are some precautions you must take.
It is important that your doctor check the progress of you or your child at regular visits to make sure that this medicine is working properly.
Blood tests may be needed to check for any unwanted effects. If your or your child's symptoms do not improve, or if they become worse, check with your doctor. You may need to take this medicine for several weeks or months before your infection gets better.
This medicine may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention.
Stop taking this medicine and tell your doctor if you or your child have:
This medicine may cause serious liver problems, including liver failure. Stop taking this medicine and tell your doctor if you or your child have:
This medicine may cause problems with your sense of taste or smell. Stop taking this medicine and tell your doctor if you or your child have:
You may become depressed when taking this medicine. Tell your doctor right away if you or your child thinks this medicine is causing changes in your mood or behavior.
Other symptoms include:
Liver problems may be more likely to occur if you drink alcoholic beverages while you are taking this medicine. You should not drink alcoholic beverages while you are taking this medicine.
Serious skin reactions can occur with this medicine. Stop using this medicine and check with your doctor right away if you have:
This medicine can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you or your child get:
Stop taking this medicine and tell your doctor right away if you or your child have a red, scaly, skin rash or unusual sensitivity of the skin to the sun that can lead to a rash. This medicine may make your skin more sensitive to sunlight. Use a sunscreen when you are outdoors. Avoid sunlamps and tanning beds.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
As with many medications, there are several potential side effects associated with LamISIL.
Although not all of these side effects may occur, if they do occur they may need medical attention.
These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
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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