Lariam (Mefloquine)
Advantages and Disadvantages
Advantages:
~90% effective in majority of malaria-infected areas.
Weekly tablet, convenient for long-term travel.
Disadvantages:
- Possible side effects include headache, depression, nausea, vivid dreams, anxiety.
- Possible, but rare psychosis or seizures (1 in 10,000 users).
- Cannot be used if past history of epilepsy, depression or anxiety.
- Not recommended for pilots or scuba divers.
There is increasing Mefloquine resistance in the Thai-Myanmar-China and Thai-Cambodia-Vietnam-Lao border regions. There are also reports of resistance from the Amazon region and parts of sub-Saharan Africa, including Tanzania and Madagascar, making the drug a less effective option.
Side Effects
Possible mild reactions:
- Headache, dizziness
- Visual disturbances
- Confusion
- Nausea or loss of appetite
- Skin rash
- Aching muscles or weakness
- Vivid dreams
Rare, more serious reactions:
- Depression, anxiety, confusion
- Psychosis
- Hypotension
- Visual illusions
- Seizures (fits)
For those travellers who have not previously taken Mefloquine, it is advisable to undertake a 2-4 week trial before departure to ensure the medication is tolerated. Most people will have only minimal or no side effects.
IMPORTANT: As with all types of anti-malaria medication you should:
- Take the medication as prescribed.
- Side effects may be accentuated by excessive alcohol or drug use within 2-3 days of taking Mefloquine - avoid use during this time.
- Take the full course (continue for 4 weeks after your return).
- Take medication with or after food; washed down with a full glass of water.
- Take medication at least 2 hours before lying down.
More information on this and other anti-malaria medication options is available during your pre-travel consultation with Travelvax. Call 1300 360 164 for the location of the clinic nearest to you.