What is terbinafine hydrochloride and when it is used
Terbinafine hydrochloride belongs to a group of medicines called antifungals. It works by preventing the development of fungi.
Terbinafine hydrochloride (lamisil tablets) are used for the treatment of the following fungal infections of the skin, scalp and nails:
- Tinea corporis (ringworm)
- Jock itch
- Athlete’s foot
- Tinea capitis (ringworm of the scalp)
- Onychomycosis (ringworm of the nails)
Before taking terbinafine hydrochloride 250 mg tablets
Read the following information before taking Terbinafine hydrochloride tablets.
Do not take Terbinafine hydrochloride 250 mg tablets:
- If you are allergic (hypersensitive) to terbinafine or any of the other ingredients of Terbinafine hydrochloride tablets
- If you have kidney problems or serious liver
Take special care with Terbinafine 250 mg tablets if:
- If you have kidney problems or liver, consult your doctor before taking this medicine
- If you have psoriasis, in very rare cases there has been a worsening of the disease.
It is important that you immediately contact your doctor if you experience symptoms such as unexplained persistent nausea, stomach problems, loss of appetite or unusual tiredness or weakness, if your skin or the whites of your eyes turn yellow, observe a darkening urine or pale stools.
Tell your doctor immediately if you experience sore throat with fever and chills, unusual bleeding or bruising or any serious skin problems.
Administration of terbinafine hydrochloride tablets
Carefully follow all instructions of your doctor or pharmacist, even if they are different from those contained in this article.
Remember to take your medicine
How much to take
Take Terbinafine hydrochloride tablets as directed by your doctor.
The usual adult dose is one tablet (250 mg) once a day.
How to take Terbinafine hydrochloride tablets
Terbinafine hydrochloride 250 mg tablets are for oral administration only. Swallow the tablets whole without chewing, with a glass of water.
How long to take Terbinafine hydrochloride
The duration of treatment will be established by your doctor. Do not stop treatment early because it could worsen your condition.
You may complete resolution of symptoms of infection may not occur until a few weeks (skin and scalp) or months (nails) after the disappearance of the fungus causing the infection.
If you take more Terbinafine 250 mg tablets than you should
Consult your doctor, pharmacist or call the Toxicology Information Service, indicating the medicine and the used amount.
The main symptoms of acute poisoning may be gastrointestinal, eg. nausea, abdominal pain or vomiting, but can also occur, headache or feeling of instability (dizziness). If you experience any of these effects or any other unusual effects, contact your doctor.
If you forget to take Terbinafine 250 mg tablets
Take another one as soon as you remember unless it is less than 6 hours to the next dose.
Do not take a double dose.
Possible side effects
Like all medicines, Terbinafine hydrochloride can have side effects, although not everybody gets them.
The adverse effects are classified according to their frequency of presentation Very common (equal or more than 1 in 10 patients); Common (less than 1 per 10 but more than 1 per 100 patients); Not common (less than 1 per 100 but more than 1 per 1000); Rare (less than 1 per 1000 but more than 1 per 10,000); Very rare (less than 1 per 10,000).
Adverse effects are usually mild or moderate, and transient.
Some adverse effects that such rare or very rare, can be serious:
Rarely, terbinafine hydrochloride can cause liver problems and in very rare cases these problems can be serious. Very rare side effects include a decrease in certain blood cells, lupus (an autoimmune disease) or serious skin reactions, including allergic reactions.
Tell your doctor immediately:
- If you experience symptoms such as unexplained persistent nausea, stomach problems, loss of appetite or unusual tiredness or weakness
- If you notice your skin or the whites of your eyes turns yellow, that your urine is unusually dark or pale stools presents
- If you experience a sore throat with fever and chills
- If you experience unusual bleeding or bruising
- If you develop any skin problems
Other adverse effects:
Very common: Nausea, mild abdominal pain, upset stomach, diarrhea, feeling of fullness in the stomach, loss of appetite, rash, pain in the joints or muscles.
Uncommon: Taste disturbance or loss thereof usually recovers within a few weeks of treatment discontinuation. This can lead, in very few patients, a decrease in appetite and a significant weight loss. Tell your doctor if the taste disturbance lasts several days.
Very rare: Hair loss, intense weakness, rashes psoriasis skin type, worsening of psoriasis.
If you notice any side effects not listed in this leaflet or if any of those described severe side effects, please tell your doctor or pharmacist.
The active substance is terbinafine hydrochloride. Each tablet contains 250 mg terbinafine (as hydrochloride).
The other ingredients (excipients) are sodium carboxymethyl starch potato gluten, microcrystalline cellulose, methyl cellulose, colloidal anhydrous silica and magnesium stearate.
Terbinafine hydrochloride tablets are white and grooved on both sides. It comes in packs of 14 and 28 tablets.
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