Information about Mefloquine

Mefloquine Uses

Mefloquine is used in the treatment of malaria.

How Mefloquine works

Mefloquine is an antiparasitic medication which treats malaria. It works by increasing the levels of haeme in the blood, a substance toxic to the malarial parasite. This kills the parasite and stops the infection from spreading.

Common side effects of Mefloquine

Abdominal pain, Abnormal dreams, Diarrhea, Dizziness, Headache, Insomnia (difficulty in sleeping), Nausea, Vertigo, Vomiting, Balance disorder (loss of balance), Sleepiness
Written By
BCMAS, Pharm.D
Reviewed By
MD (Pharmacology), MBBS
Last updated
15 Aug 2022 | 04:56 PM (UTC)

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Available Medicine for Mefloquine

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Expert advice for Mefloquine

  • Mefloquine should be taken with food to prevent a stomach upset.
  • Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
  • Tips to reduce the chance of being bitten by mosquitoes:
    • Wear light-colored and covered clothing when you are outside after sunset.
    • Use insect repellent creams or sprays on parts of your body not covered by clothing.
    • Spray to kill any mosquitoes that may have entered rooms in spite of screening.
  • It may cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how it affects you.
  • Inform your doctor if you have kidney liver or heart disease.

Frequently asked questions for Mefloquine


Q. Who should not use Mefloquine?

Use of Mefloquine should be avoided in patients who are allergic to Mefloquine or any of its components. However, if you are not aware of any allergy or if you are using Mefloquine for the first time, consult your doctor.

Q. What should I tell my doctor before starting treatment with Mefloquine?

Before starting treatment with Mefloquine, inform your doctor if you have any other health conditions like kidney- or heart-related problems. This is because certain medical conditions may affect your treatment and you may even need dose modifications. Also, let your doctor know about all the other medicines you are taking because they may affect, or be affected by, this medicine. Inform your doctor if you are pregnant or breastfeeding.

Q. Is Mefloquine safe?

Mefloquine is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

Q. What if I forget to take a dose of Mefloquine?

If you forget a dose of Mefloquine, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Q. Can I stop taking Mefloquine when I feel better?

No, do not stop taking Mefloquine without consulting your doctor even if you are feeling better. Your symptoms may improve before the infection is completely cured. Therefore, for better and complete treatment, it is advised to continue your treatment for the prescribed duration.


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