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(mefloquine hydrochloride) Tablets
Lariam (mefloquine hydrochloride) is an antimalarial agent available as 250-mg tablets of mefloquine hydrochloride (equivalent to 228.0 mg of the free base) for oral administration.
Mefloquine hydrochloride is a 4-quinolinemethanol derivative with the specific chemical name of (R*, S*)-(±)-α-2-piperidinyl-2,8-bis (trifluoromethyl)-4-quinolinemethanol hydrochloride. It is a 2-aryl substituted chemical structural analog of quinine. The drug is a white to almost white crystalline compound, slightly soluble in water.
Mefloquine hydrochloride has a calculated molecular weight of 414.78 and the following structural formula:
The inactive ingredients are ammonium-calcium alginate, corn starch, crospovidone, lactose, magnesium stearate, microcrystalline cellulose, poloxamer #331, and talc.
What are the possible side effects of mefloquine (Lariam)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop taking mefloquine and call your doctor at once if you have a serious side effect such as:
- depressed mood, feeling restless or anxious;
- confusion, extreme fear, hallucinations, unusual thoughts or behavior;
- severe or uncontrolled vomiting or diarrhea;
- cough, wheezing, feeling short of breath;
- nausea, stomach pain, loss of appetite, dark urine, clay-colored...
What are the precautions when taking mefloquine (Lariam)?
Before taking mefloquine, tell your doctor or pharmacist if you are allergic to it; or to quinine or quinidine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: mental/mood disorders (such as depression, anxiety, schizophrenia), seizures, heart problems, liver disorder.
This medication may cause dizziness or loss of balance. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely.
Before having surgery, tell your doctor or dentist about all the products you use...
Last reviewed on RxList: 8/10/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Lariam Information
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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.
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