Terbinafine
An allylamine antifungal that interferes with fungal cell wall synthesis. Highly effective for fungal nail infections.
Dosage by Body Weight
Pediatric oral dose: for weight <20kg, 62.5 mg; 20-40kg, 125 mg once daily.
- Body Weight
- 10-20 kg
- Dose
- 62.5 mg
- Frequency
- Once daily
- Tracking Notes
- Course for skin: 2 weeks; Scalp: 4-6 weeks.
- Body Weight
- 21-40 kg
- Dose
- 125 mg
- Frequency
- Once daily
- Tracking Notes
- Monitor for changes in taste or liver enzyme elevation.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| 10-20 kg | 62.5 mg | Once daily | Course for skin: 2 weeks; Scalp: 4-6 weeks. |
| 21-40 kg | 125 mg | Once daily | Monitor for changes in taste or liver enzyme elevation. |
Formulation
Purpose
Antifungal for skin and nail infections.
Generic Name
Terbinafine HydrochlorideBranded Drug Names
Terbinafine is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
Safety Advice
Alcohol
CAUTIONTerbinafine: Alcohol may increase stomach upset and liver strain during antifungal therapy. Avoid or limit alcohol, especially with longer courses.
Pregnancy
CAUTIONTerbinafine: Use in pregnancy only when prescribed; some antifungals are avoided unless the expected benefit clearly outweighs the risk.
Breast Feeding
SAFE IF PRESCRIBEDTerbinafine: Use while breastfeeding only with healthcare provider guidance, especially for oral or systemic antifungals.
Driving
CAUTIONTerbinafine: May cause dizziness, blurred vision, or headache in some people. Avoid driving if affected.
Liver
CAUTIONTerbinafine: Can affect liver enzymes and may not be suitable in active liver disease without close monitoring.
Kidney
SAFE IF PRESCRIBEDTerbinafine: Kidney impairment may require dose adjustment or monitoring for some antifungals. Use as prescribed.