Mephaquin

Mephaquin contains Mefloquine, an orally active antimalarial agent. It acts as an erythrocytic schizonticide, destroying the malaria parasites inside red blood cells. It is used both for the prevention of malaria in travelers visiting endemic regions and for treating uncomplicated malaria. Due to potential serious neuropsychiatric side effects, it should be prescribed and used with caution.

Dosage by Body Weight

For prophylaxis: Typically 250 mg (1 tablet) weekly, starting 1-2 weeks before entering the malaria-endemic area, weekly during the stay, and weekly for 4 weeks after returning. For treatment: Total therapeutic dose is usually 20-25 mg/kg, often split into two doses taken 6-8 hours apart to reduce side effects.

  1. Body Weight
    Below 5 kg
    Dose
    Not recommended
    Frequency
    N/A
    Tracking Notes
    Safety and efficacy in infants under 5 kg or under 3 months of age have not been established.
  2. Body Weight
    5-7 kg
    Dose
    Approximately 50 mg to 100 mg (approx. 1/4 tablet) total treatment dose
    Frequency
    Single dose
    Tracking Notes
    Pediatric dosing should be precisely calculated by a healthcare provider based on 20-25 mg/kg body weight.
  3. Body Weight
    8-10 kg
    Dose
    Approximately 125 mg to 200 mg total treatment dose
    Frequency
    Single dose
    Tracking Notes
    For prophylaxis, 5-10 kg children usually take 1/8 to 1/4 tablet weekly if prescribed.
  4. Body Weight
    11-15 kg
    Dose
    250 mg (1/4 to 1/2 tablet for prophylaxis; up to 1 tablet total for treatment)
    Frequency
    Single dose (or weekly for prophylaxis)
    Tracking Notes
    For weekly prevention, the dose is typically 1/4 tablet (approx. 62.5 mg).
  5. Body Weight
    16-20 kg
    Dose
    375 mg to 500 mg total treatment dose
    Frequency
    Single dose or split into two doses
    Tracking Notes
    For weekly prevention, the dose is typically 1/4 tablet (approx. 62.5 mg).

Formulation

Tablet

Purpose

Prevention (prophylaxis) and treatment of malaria, particularly strains resistant to other antimalarials such as chloroquine.

Generic Name

Mefloquine

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.