Mefloquine Hydrochloride Tablets USP
Important:
Your doctor or pharmacist will give you an Information Wallet Card along with this
Medication Guide. It has important information about mefloquine and should be carried with
you at all times while you take mefloquine.
What is the most important information I should know about mefloquine?
Mefloquine can cause serious side effects, including:
1. Heart Problems.
Do not take halofantrine (used to treat malaria) or ketoconazole (used for fungal infections) with
mefloquine or within 15 weeks of your last dose of mefloquine. You may get serious heart
problems (problems with the electrical system of your heart called QT prolongation) that can lead
to death. Do not take quinine (Qualaquin) or quinidine (used to treat malaria or irregular heart
beat) with mefloquine. You may get serious heart problems.
2. Mental problems. Symptoms of serious mental problems may include:
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- severe anxiety
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- paranoia (feelings of mistrust towards others)
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- hallucinations (seeing or hearing things that are not there)
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- depression
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- feeling restless
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- unusual behavior
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- feeling confused
Some people who take mefloquine think about suicide (putting an end to their life). Some people who were taking mefloquine committed suicide. It is not known if mefloquine was responsible for those suicides.
If you have any of these serious mental problems, or you develop other serious side effects or mental problems, you should contact your doctor right away as it may be necessary to stop taking mefloquine and use a different medicine to prevent malaria.
3. Problems with your body’s nervous system. Symptoms of serious nervous system
problems may include:
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- dizziness
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- a feeling that you or things around you are moving or spinning (vertigo)
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- loss of balance
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- ringing sound in your ears (tinnitus)
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- convulsions (seizures) in people who already have seizures (epilepsy)
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- convulsions (seizures) in people who take quinine or chloroquine (used to treat malaria) with mefloquine. Do not take quinine (Qualaquin) or chloroquine (Aralen) with mefloquine.
- •
- unable to sleep (insomnia)
Dizziness, vertigo, tinnitus, and loss of balance can go on for months or years after
mefloquine is stopped or may become permanent in some people.
Important:
You need to take malaria prevention medicine before you travel to a malaria area, while
you are in a malaria area, and after you return from a malaria area.
- •
- If you are told by a doctor to stop taking mefloquine because of the side effects or for other reasons, you will need to take different malaria medicine.
- •
- If you do not have access to a doctor or to another medicine and have to stop taking mefloquine, leave the malaria area and contact a doctor as soon as possible because leaving the malaria area may not protect you from getting malaria. You will still need to take malaria prevention medicine for another 4 weeks after you leave the malaria area.
What is mefloquine?
Mefloquine is a prescription medicine used to prevent and treat malaria. Malaria can be a life-threatening infection. Mefloquine does not work for all types of malaria.
It is not known if mefloquine is safe and effective in children under 6 months old for the treatment of malaria. It is not known how well mefloquine works to prevent malaria in children
weighing less than 44 pounds (20 kilograms).
Who should not take mefloquine?
Do not take mefloquine if you have:
- •
- depression or had depression recently
- •
- had recent mental problems, including anxiety disorder, schizophrenia, or psychosis (losing touch with reality)
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- seizures or had seizures (epilepsy or convulsions)
- •
- an allergy to quinine, quinidine, mefloquine or any ingredients in mefloquine. See the end of this Medication Guide for a complete list of ingredients in mefloquine.
Talk to your doctor before you take mefloquine if you have any of the medical conditions listed above.
What should I tell my doctor before taking mefloquine?
Before taking mefloquine, tell your doctor about all your medical conditions, including if you have:
- •
- heart disease
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- liver problems
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- seizures or epilepsy
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- diabetes
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- blood clotting problems or take blood thinner medicines (anticoagulants)
- •
- mental problems
- •
- are pregnant or plan to become pregnant. It is not known if mefloquine will harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant.
- •
- You should use birth control while you take mefloquine and for 3 months after you stop mefloquine. If you have an unplanned pregnancy, talk to your doctor right away.
- •
- are breastfeeding or plan to breastfeed. Mefloquine can pass into your breast milk and may harm your baby. Ask your doctor if you will need to stop breastfeeding or use a different medicine.
Contact your doctor right away if you have a fever after leaving a malaria area.
Tell your doctor about all the medicines you take, including prescription and nonprescription medicines, vitamins, and herbal supplements. Mefloquine and other medicines may affect each other causing side effects.
How should I take mefloquine?
- •
- Take mefloquine exactly as your doctor tells you to take it. Your doctor will tell you how many mefloquine tablets to take and when to take them.
- •
- You will start taking mefloquine to prevent malaria between 1 to 3 weeks before you travel to a malaria area.
- •
- Take mefloquine just after eating your largest meal of the day and with at least 1 cup (8 ounces) of water.
- •
- Do not take mefloquine on an empty stomach.
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- If you vomit after taking mefloquine, contact your doctor to see if you should take another dose.
- •
- Continue taking mefloquine for 4 weeks after returning from a malaria area.
- •
- Mefloquine tablets may be crushed and mixed with a small amount of water, milk or other beverage for children or other people unable to swallow mefloquine whole. Your doctor will tell you the correct dose for your child based on your child’s weight.
- •
- If you take mefloquine for a year or longer, your doctor should check your:
- •
- eyes (especially if you have trouble seeing while you take mefloquine)
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- liver function (to see if there has been damage to your liver)
- •
- Use protective clothing, insect repellents, and bed nets to protect you from being bitten by mosquitoes. Medicine alone does not always stop you from catching malaria from mosquito bites.
What should I avoid while taking mefloquine?
Avoid activities such as driving a car or using heavy machinery or other activities needing alertness and careful movements (fine motor coordination) until you know how mefloquine affects you. You may feel dizzy or lose your balance. This could happen for months or years after you stop taking mefloquine and can be permanent in some cases. See “What are the possible side effects of mefloquine?”
What are the possible side effects of mefloquine?
See “What is the most important information I should know about mefloquine?”
Mefloquine may cause serious side effects, including:
- •
- liver problems
Call your healthcare provider right away if you have unexplained symptoms such as nausea or vomiting, stomach pain, fever, weakness, itching, unusual tiredness, loss of appetite, light colored bowel movements, dark colored urine, yellowing of your skin or the white of your eyes.
The most common side effects of mefloquine include:
- •
- nausea
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- vomiting
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- diarrhea
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- abdominal pain
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- headache
The most common side effects in people who take mefloquine for treatment include:
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- muscle pain
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- fever
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- chills
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- skin rash
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- fatigue
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- loss of appetite
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- irregular heart beat
Tell your doctor if you have any side effect that bothers you or that does not go away. These are not all the possible side effects of mefloquine. For more information, ask your doctor or pharmacist.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
How should I store mefloquine?
- •
- Store mefloquine between 20ºC to 25ºC (68ºF to 77ºF)
- •
- Safely throw away medicine that is out of date or no longer needed.
Keep mefloquine and all medicines out of the reach of children.
General information about the safe and effective use of mefloquine.
Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use mefloquine for a condition for which it was not prescribed. Do not give mefloquine to other people, even if they have the same symptoms that you have. It may harm them.
This Medication Guide summarizes the most important information about mefloquine. If you would like more information, talk with your doctor. You can ask your pharmacist or doctor for information about mefloquine that is written for health professionals.
What are the ingredients in mefloquine hydrochloride tablets?
Active ingredient: mefloquine hydrochloride
Inactive ingredients: colloidal silicon dioxide, corn starch, crospovidone, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, poloxamer and talc.
This Medication Guide has been approved by the U.S. Food and Drug Administration.
TEVA PHARMACEUTICALS USA, INC.
North Wales, PA 19454
Rev. C 5/2016
TEVA PHARMACEUTICALS USA, INC.
North Wales, PA 19454
Rev. C 5/2016
Close MEFLOQUINE HYDROCHLORIDE Tablet [Teva Pharmaceuticals USA, Inc.]
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