Skipping doses may also increase your risk of further infection that is resistant to antifungal medicine. Terbinafine will not treat a viral infection such as the flu or a common cold. 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.
Common side effects may include: diarrhea, nausea, gas, stomach pain or upset; rash; headache; abnormal liver function tests. Based on FDA pregnancy categories. Interactions What drugs and food should I avoid while taking Lamisil Terbinafine?
Roberts DT Prevalence of dermatophyte onychomycosis in the United Kingdom: results of an omnibus survey. Br J Dermatol. Acta Derm Venereol. A higher prevalence of onychomycosis in psoriatics compared with non-psoriatics: a multicentre study. Prevalence and epidemiology of toenail onychomycosis in diabetic subjects: a multicentre survey. Effect of onychomycosis on quality of life. J Am Acad Dermatol. Stone NDawber R Crinkly toenails: toenail onychomycosis can cause serious problems [letter].
Evans EGSigurgeirsson B Double blind, randomised study of continuous terbinafine compared with intermittent itraconazole in treatment of toenail onychomycosis. LION Study: efficacy and tolerability of continuous terbinafine Lamisil compared to intermittent itraconazole in the treatment of toenail onychomycosis: Lamisil vs itraconazole in onychomycosis. Epstein E How often does oral treatment of toenail onychomycosis produce a disease-free nail?
Ting N Carry-forward analysis. Chow SCed. Antifungal pulse therapy for onychomycosis: a pharmacokinetic and pharmacodynamic investigation of monthly cycles of 1-week pulse therapy with itraconazole. A double-blind, randomized study comparing itraconazole pulse therapy with continuous dosing for the treatment of toe-nail onychomycosis.
Heikkila HStubb S Long-term results of patients with onychomycosis treated with itraconazole. Australas J Dermatol. Drake LA Impact of onychomycosis on quality of life. J Am Podiatr Med Assoc. Save Preferences. Privacy Policy Terms of Use. This Issue. Citations View Metrics. Twitter Facebook More LinkedIn.
March Glyn V. Evans, MD. Patients and methods. Study Outline. Inclusion and Exclusion Criteria. Planned Interventions. First Intervention. Second Intervention. Mycology and Ethics. Primary and Secondary Efficacy Criteria. Rationale and Methods for Statistical Analysis.
Assignment and blinding. Participant flow and follow-up. Causal agents. Long-term cure rates after first intervention. Relapse rates. Response to second intervention with terbinafine.
Access your subscriptions. Access through your institution. Terbinafine is an antifungal medicine. It is used to treat skin infections caused by a fungus yeast , including:.
Terbinafine comes as a cream, gel or spray for treating athlete's foot, ringworm, jock itch and pityriasis versicolor. There is also a liquid solution for athlete's foot. You can buy these from a pharmacy or supermarket. It also comes as tablets for treating fungal nail infections and other fungal infections.
Your doctor may recommend tablets if they think creams, gels, sprays or solution are not likely to work. Take our survey. Tablets, cream and gel can be prescribed for adults and children aged 1 year and over. The cream, gel and spray that you can buy in a pharmacy or supermarket is suitable for people aged 16 years or older. The solution is only suitable for adults 18 years or older. To make sure terbinafine is safe for you, tell your doctor or pharmacist if you:.
To make sure the tablets are safe for you, tell your doctor or pharmacist if you:. The treatment you use will depend on where the infection is on your body and how severe it is. For large areas of skin, or if the area is hairy, it's best to use the spray. Your pharmacist or doctor will tell you how much to use and how long you need to use it for, depending on your infection. If you buy terbinafine in a pharmacy or supermarket, follow the instructions that come with your medicine.
Put the cream or gel on the infected area once or twice a day for 1 to 2 weeks. If you're using the cream or gel on the area between your toes, or on your bottom or groin, you can cover the skin with a clean strip of gauze afterwards. This type of light dressing is available to buy at pharmacies and is especially helpful to use at night.
If you're using the spray on the area between your toes, or on your bottom or groin, you can cover the skin with a clean strip of gauze afterwards. The solution comes in a tube with a nozzle. It is a single treatment that you only use once. Use the solution on both feet even if one of them looks fine. If one foot looks less infected than the other, put the solution on the less infected foot first.
Do not wash or splash your feet with any water for 24 hours after using the solution. After 24 hours, wash your feet with warm, soapy water in the bath or shower and gently pat them dry. You can take terbinafine tablets with or without food. It's best to take your tablets at the same time each day. The usual dose is 1 tablet, taken once a day. You will usually take the tablets for 2 to 6 weeks.
This depends on the type of infection you have and how serious it is. If you have a fungal nail infection, you will probably need to take the tablets for several months. These infections take a while to clear. If you forget to use your terbinafine cream, gel or spray, do not worry.
Just apply it as soon as you remember and then keep following your usual routine. If you forget to take a terbinafine tablet, take it as soon as you remember, unless it's nearly time for your next dose. In this case, just skip the missed dose and take your next one as normal until you have finished the course.
If you forget doses often, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to remember your medicines. If you use too much terbinafine cream, gel or spray or use it more often than you need to, it may make your skin red or irritated.
If this happens, use less of the cream, gel or spray the next time. Side effects may include stomach pain, feeling or being sick, diarrhoea, headache or feeling dizzy. Call or go to If you need to go to hospital take the packaging, or the leaflet that came with your medicine, and any remaining medicine with you.
Like all medicines, terbinafine can cause side effects, although not everyone gets them. If you're using the cream, gel, spray or solution, talk to your pharmacist or doctor if these side effects bother you or do not go away:.
If you're taking the tablets, talk to your doctor or a pharmacist if these side effects bother you or do not go away:. Some people can have serious side effects when using or taking terbinafine. These happen in less than 1 in 1, people. If you're using the cream, gel, spray or solution, stop using terbinafine and call a doctor straight away if:.
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.
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