HOW TO USE: Read the Medication Guide provided by your pharmacist before you start taking mefloquine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Carry the information wallet card with you at all times.Take this medication by mouth as directed by your doctor. Take it with food or milk to prevent stomach upset. Do not take the medication on an empty stomach. Take each dose of this medication with a full glass (8 ounces or 240 milliliters) of water. If you have trouble swallowing the medication, the tablet may be crushed and placed in a small amount of water, milk, or other beverage.For children, the dosage is based on their weight. Early vomiting may occur in children after taking mefloquine. If vomiting occurs in your child after taking this medication, call the doctor right away to see if your child needs to take another dose of the medication. If vomiting continues, check with your doctor for a different medication to use in place of mefloquine.When using this medication to prevent malaria, it is usually taken once a week. The first dose of this medication should be taken one week before travel, or as directed by your doctor.Take this medication as prescribed for the full course of treatment. It is important that you do not miss any doses and that you take the drug on a regularly scheduled basis. Remember to take it on the same day each week.Upon returning from the malaria area, you should keep taking this medication for 4 more weeks. If you are unable to finish this course of mefloquine, contact your doctor.If this medication is being used for prevention of malaria, it is important to understand that it is still possible to contract the disease. Tell your doctor immediately if you develop a fever. Malaria is best treated if therapy is started early.
SIDE EFFECTS: See also Warning section.Stomach upset/pain, loss of appetite, nausea/vomiting, headache, muscle pain, or diarrhea may occur. If any of these effects persist or worsen, tell your doctor promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor right away if you have any serious side effects, including: loss of coordination, numbness/tingling of hands or feet, vision changes, unusual tiredness, persistent nausea/vomiting, dark urine, yellowing skin/eyes.Get medical help right away if you have any very serious side effects, including: fast/slow/irregular heartbeat, fainting, seizures.A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Quick GuideInfectious Mononucleosis (Mono): Symptoms and Treatment
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.