Learn more about usage, cautions, and possible side effects .
Chemical Name: MEFLOQUINE (ME-floe-kwin)
This medicine is an antimalarial agent used to treat or prevent malaria.
Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE if you are also taking dofetilide, halofantrine, ziprasidone, or vaccines. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking beta-blockers such as atenolol or propranolol, quinine, quinidine, chloroquine, or medicine for seizures (e.g., carbamazepine, phenytoin, or valproic acid). DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions including heart or liver problems, allergies, pregnancy, or breast-feeding. USE OF THIS MEDICINE IS NOT RECOMMENDED if you have a history of active or recent depression, anxiety disorder, psychiatric disorders, seizures, or an allergy to quinine or quinidine. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
Follow the directions for using this medicine provided by your doctor. This medicine comes with a MEDICATION GUIDE approved by the U.S. Food and Drug Administration. Read it carefully each time you refill this medicine. Ask your doctor, nurse, or pharmacist any questions that you may have about this medicine. TAKE THIS MEDICINE WITH FOOD. DRINK AT LEAST 8 OUNCES of water with this medicine. If the tablets cannot be swallowed whole, they may be crushed and placed in a small amount of water or sugar water. Be sure to drink all of the liquid so that you receive the entire dose. When used to prevent malaria, the first dose of this medicine should be taken at least one week before travel, or as directed by your doctor. Upon returning from travel, you should continue this medicine for 4 more weeks. If you are unable to complete the course of treatment, contact your doctor. STORE THIS MEDICINE at room temperature of 77 degrees F (25 degrees C) in a tightly-closed container, away from heat, moisture, and light. Brief storage between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Continue taking this medicine for the full course of treatment. Do not skip any doses. IF YOU MISS A DOSE OF THIS MEDICINE and you are taking it to prevent infection, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
DO NOT TAKE THIS MEDICINE if you have had an allergic reaction to it or are allergic to any ingredient in this medicine. This medicine helps to prevent malaria; however, it is still possible to contract the disease. Notify your doctor immediately if you develop flu-like symptoms including chills, fever, muscle aches, or headache. KEEP ALL DOCTOR AND LABORATORY appointments, while taking this medicine. Laboratory and/or medical tests such as liver function tests or eye exams may be performed to monitor your progress or check for side effects if you are taking this medicine for a long period of time. Contact your doctor for more information. THIS MEDICINE MAY CAUSE dizziness or a loss of balance. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. Caution is advised when using this medicine in children because they may be more sensitive to the effects of this medicine. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. THIS MEDICINE IS EXCRETED IN BREAST MILK. DO NOT BREAST-FEED while taking this medicine.
SIDE EFFECTS, that may go away during treatment, include stomach upset, nausea, vomiting, loss of appetite, stomach pain, fever, hair loss, ringing in the ears, dizziness, drowsiness, diarrhea, headache, insomnia, strange dreams, or lightheadedness. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience fast, slow, or irregular heartbeat; seizures; severe or persistent cough; shortness of breath; muscle pain; loss of coordination; numbness and tingling of hands or feet; or vision changes. CONTACT YOUR DOCTOR IMMEDIATELY if you experience unexplained anxiety, mood changes, depression that may include thoughts of hurting yourself, hallucinations, restlessness, or confusion. AN ALLERGIC REACTION TO THIS MEDICINE IS UNLIKELY, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, tightness in the chest, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include diarrhea; fast, slow, or irregular heartbeat; mental or mood changes; or vomiting.
It is important to wear protective clothing, insect repellent, and use bed nets when trying to prevent malaria. DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children.