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.

  1. Body Weight
    10-20 kg
    Dose
    62.5 mg
    Frequency
    Once daily
    Tracking Notes
    Course for skin: 2 weeks; Scalp: 4-6 weeks.
  2. Body Weight
    21-40 kg
    Dose
    125 mg
    Frequency
    Once daily
    Tracking Notes
    Monitor for changes in taste or liver enzyme elevation.

Formulation

TabletCreamGranules

Purpose

Antifungal for skin and nail infections.

Generic Name

Terbinafine Hydrochloride

Branded 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

CAUTION

Terbinafine: Alcohol may increase stomach upset and liver strain during antifungal therapy. Avoid or limit alcohol, especially with longer courses.

Pregnancy

CAUTION

Terbinafine: Use in pregnancy only when prescribed; some antifungals are avoided unless the expected benefit clearly outweighs the risk.

Breast Feeding

SAFE IF PRESCRIBED

Terbinafine: Use while breastfeeding only with healthcare provider guidance, especially for oral or systemic antifungals.

Driving

CAUTION

Terbinafine: May cause dizziness, blurred vision, or headache in some people. Avoid driving if affected.

Liver

CAUTION

Terbinafine: Can affect liver enzymes and may not be suitable in active liver disease without close monitoring.

Kidney

SAFE IF PRESCRIBED

Terbinafine: Kidney impairment may require dose adjustment or monitoring for some antifungals. Use as prescribed.

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.