Additionally, this medication should not be taken with other drugs which stress the liver or kidneys. Drugs with known negative interactions include but are not limited to the following: blood thinners such as Warfarin or Coumadin, and drugs which affect liver enzymes such as Cimetidine and Rifampin.
Tricyclic antidepressants should and SSRI antidepressants should also be avoided while taking terbinafine. Beta blockers should also not be combined with Lamisil. Accidental overdose is possible with most drugs, including Lamisil. If you suspect an overdose call immediately. The general poison control helpline in the US is In Canada call your provincial poison control center at the same number, Again, call immediately.
Do not share your Lamisil prescription with other people, even if they have the same condition. This drug has been prescribed to you by a qualified physician. Keep Lamisil and all other medications out of reach of children and pets. This applies to over the counter medications as well. If you miss a dose, the final word lies with your doctor or pharmacist.
The following guidelines apply to most medications, however. Never take a double dose to make up for you missed dose with Lamisil or any other drug unless directed to do so. Lamisil in particular is stressful on the liver and doubling the dose can be harmful. Be sure to pay attention to the expiration date on Lamisil and other drugs. Many medications lose potency with time. When in doubt, contact your pharmacist.
Also note that many pharmacists have medication disposal programs. Terbinafine hydrochloride appears as a white crystalline powder. While only slightly soluble in water at standard temperature and pressure, it is readily soluble in ethanol. If you're prescribed tablets, stop taking them and call a doctor immediately if:. It happens rarely but it is possible to have a serious allergic reaction anaphylaxis to terbinafine. You could be having a serious allergic reaction and may need immediate treatment in hospital.
These are not all the side effects of terbinafine. For a full list, see the leaflet inside your medicine packet. You can report any suspected side effect to the UK safety scheme. There's no clear evidence that terbinafine will harm your unborn baby.
But for safety, your doctor will only advise you to use it in pregnancy if the benefits outweigh the risks. If you're trying to get pregnant or you're already pregnant, talk to your doctor about the benefits and possible harms of taking terbinafine.
This will depend on how many weeks pregnant you are and the reason you need to take it. There may be other treatments that are safer for you.
It's OK to use terbinafine cream, gel, spray and solution when you're breastfeeding, as long as you are not putting it on or near your nipples. Terbinafine tablets are generally not recommended if you're breastfeeding. There are other antifungal medicines that are safer. Your doctor will recommend the best medicine for you. Terbinafine cream, gel, sprays and solution are generally OK to use when taking other medicines.
However, terbinafine tablets and some medicines can interfere with each other. Tell your doctor if you are taking:. These are not all the medicines that interfere with terbinafine. For a full list, check the leaflet that comes with your medicine. It is safe to take terbinafine with paracetamol , ibuprofen , diclofenac or naproxen.
There's very little information about taking herbal remedies and supplements with terbinafine. Tell a pharmacist or doctor if you are taking any other medicines, including herbal medicines, vitamins or supplements.
It makes holes in the cell membrane of the fungus and the contents leak out. This kills the fungus and treats the infection. If you are taking terbinafine to prevent an infection, the medicine kills any fungus as it starts to appear. It depends on the type of infection you have. Some will take longer to get better. Terbinafine solution usually starts to work within a few days. Talk to your doctor if your symptoms do not get better within 1 week.
The cream, gel or spray usually starts to work within a few days. Talk to your doctor if your symptoms do not get better within 2 weeks. Terbinafine tablets can take several weeks to work. If you have completed the course of tablets and still have symptoms, talk to your doctor. Some fungal nail infections take 6 months or longer to get better. Nail infections often get better more quickly in younger people. Infections on the big toe often take longer to clear up than on other toes.
Terbinafine is usually used for a short time to clear an infection. Do not use it for longer than your pharmacist or doctor has recommended. If you use it too often or for too long, the medicine may not work so well. This is because fungal infections can become "resistant" to terbinafine. For some infections, such as fungal nail infections, you may need to take terbinafine tablets for up to 3 months sometimes longer. It is safe to take long-term if your doctor tells you to.
If taking terbinafine is not working to clear an infection, your doctor may ask you to take it for longer or they may prescribe a different antifungal medicine. There are many different antifungal medicines. Some are available to buy from a pharmacy, others are available on prescription. They can come as creams, gels and sprays, pessaries soft tablets you put into your vagina , tablets, capsules and liquid, or injections.
Your doctor or a pharmacist will be able to recommend the best treatment for you, based on your condition. If you take terbinafine tablets for a long time, your doctor may ask you to come back for a blood test. This is to check that your liver is working properly. There is a small chance less than 1 in 1, that terbinafine can affect your liver. It is important to continue using terbinafine until you finish the course, even if your symptoms get better.
Follow the instructions from your doctor or on the leaflet that comes with the medicine. If you stop using your terbinafine too soon, or if you do not use it as recommended, the fungal infection could come back. Talk to your doctor if you are thinking of stopping your treatment for any reason.
Terbinafine tablets may increase the effects of caffeine. Having too much caffeine can give you headaches, stop you sleeping, make you feel agitated and it can make you pee more. It may take several months for your nails to return to their normal appearance after your treatment with terbinafine. Store at room temperature away from moisture, heat, and light.
Keep the terbinafine oral granules in their sealed packet until you are ready to use. Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include headache, dizziness, vomiting, stomach pain, rash, and increased urination. Health Topics. Health Tools. Lamisil Terbinafine. Generic Name: Terbinafine. Reviewed: June 23, You should not use terbinafine if you are allergic to it, or if you have: liver disease.
To make sure terbinafine is safe for you, tell your doctor if you have ever had: liver problems; weak immune system caused by disease or by using certain medicine ; or lupus. Side Effects. Side Effects What are the side effects of Lamisil Terbinafine?
Also call your doctor if you have: changes in your sense of taste or smell; depressed mood, sleep problems, lack of interest in daily activity, feeling anxious or restless; pale skin, easy bruising, unusual bleeding nose, mouth, vagina, or rectum , purple or red pinpoint spots under your skin; swelling, rapid weight gain, little or no urinating; blood in your urine or stools; weight loss due to taste changes or loss of appetite; or skin sores, butterfly-shaped skin rash on your cheeks and nose worsens in sunlight.
Dark urine can be a sign of a liver disorder; if the liver is abnormal, the bilirubin may have to be excreted by the kidneys, which makes the urine have a dark color.
If the liver was properly functioning, it would take the bilirubin and change it, then make it part of the bile, and release bile to the small intestines or send it to the gallbladder. Thus, drinking wine when taking terbinafine puts you at risk for developing avoidable liver damage.
Nutrition Nutrition Basics Beverages and Health. By Ruth Coleman. Ruth Coleman.
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