MedDataToolTerbinafine is a medication used to treat fungal infections of the toenails and fingernails, specifically a condition called onychomycosis. It works by stopping the growth of fungi, helping to clear up the infection. You take it as a tablet, with the starting dose being one 250 mg tablet once daily for six weeks for fingernail infections and twelve weeks for toenail infections. It's important to know that this medication should not be used if you have chronic or active liver disease. Additionally, if you are taking blood thinners like warfarin, terbinafine can affect how your blood clots, so be sure to discuss this with your doctor.
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Uses
- onychomycosis of the toenail. onychomycosis of the fingernail.
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Dosage
One tablet once daily for 6 weeks for fingernail onychomycosis.
One tablet once daily for 12 weeks for toenail onychomycosis.
Evaluate for liver disease before starting treatment.
Always follow your doctor's specific instructions for your dose.
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Side effects
Common
Common side effects include headachediarrheaand rashOther common effects are nauseaabdominal painand taste disturbance
Serious
Serious side effects may include liver failure and severe skin reactions
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Warnings
⚠ Important warnings
- Do not use if you have chronic or active liver disease.
- Monitor liver function during treatment.
- May cause taste disturbances and depressive symptoms.
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Drug interactions
- Desipramineincreased levels in the bodyCaution
- Cimetidinedecreased clearance of terbinafineCaution
- Fluconazoleincreased levels of terbinafineCaution
- Rifampinincreased clearance of terbinafineCaution
- Caffeinedecreased clearance of caffeine.Caution
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Answers pulled from the FDA label only.
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Medical Disclaimer: This content is provided for informational and educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before taking any medication.
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).