Laniazid

Laniazid is a brand name for isoniazid, a primary first-line antituberculosis medication. It works by inhibiting the synthesis of mycolic acids, which are essential components of the Mycobacterium tuberculosis cell wall, thereby killing active bacteria and preventing further bacterial growth.

Dosage by Body Weight

Take on an empty stomach at least 1 hour before or 2 hours after meals to ensure maximum absorption. Concomitant administration of Pyridoxine (Vitamin B6) at 10-50 mg daily is recommended for patients at risk of neuropathy (including children, pregnant women, and malnourished patients). Always complete the full course of treatment as prescribed.

  1. Body Weight
    Below 5 kg
    Dose
    10 mg/kg to 15 mg/kg per day
    Frequency
    Once daily
    Tracking Notes
    Requires precise measurement using a pediatric oral syringe. Consult a pediatric specialist.
  2. Body Weight
    5-7 kg
    Dose
    50 mg to 75 mg
    Frequency
    Once daily
    Tracking Notes
    Oral liquid formulation is preferred for precise dosing in infants.
  3. Body Weight
    8-10 kg
    Dose
    80 mg to 100 mg
    Frequency
    Once daily
    Tracking Notes
    Ensure daily intake of supplemental Vitamin B6 (pyridoxine) to prevent peripheral neuropathy.
  4. Body Weight
    11-15 kg
    Dose
    110 mg to 150 mg
    Frequency
    Once daily
    Tracking Notes
    Regular monitoring of hepatic transaminases (liver enzymes) is recommended.
  5. Body Weight
    16-20 kg
    Dose
    160 mg to 200 mg
    Frequency
    Once daily
    Tracking Notes
    Do not exceed the maximum daily adult dose of 300 mg.

Formulation

TabletOral Solution

Purpose

Treatment of active tuberculosis (in combination with other antituberculosis agents) and prophylaxis (preventative therapy) of latent tuberculosis infection.

Generic Name

Isoniazid

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

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.