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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





This medication is used to lower high cholesterol and/or triglyceride levels in the blood. High levels of cholesterol or triglycerides may block the blood vessels, increasing the risk of heart disease. For best results, this medication must be used along with an exercise program and a low-cholesterol, low-fat diet.

How To Use

Take this medication as prescribed. It is usually taken 30 minutes before your morning or evening meals. It may take a few weeks to months before the full effects of this medication are noticed.

Side Effects

Stomach upset, heartburn, nausea, vomiting, gas, diarrhea, unusual taste, headache, dizziness, drowsiness, or blurred vision may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly. Tell your doctor immediately if any of these serious side effects occurs: numbness or tingling of hands or feet, joint pain, decreased sexual desire or ability (impotence), depression. Tell your doctor immediately if any of these unlikely but serious side effects occurs: muscle pain/tenderness/weakness, fever, persistent sore throat, severe stomach pain with nausea and vomiting, yellowing of eyes and skin, dark urine, fast heartbeat. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.


This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: severe liver conditions (e.g., primary biliary cirrhosis), severe kidney problems. Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, gall bladder problems, allergies (especially drug allergies). This drug may make you dizzy, drowsy, or cause blurred vision; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages. If you take insulin or oral diabetes medication, your dose may need to be changed because gemfibrozil may, in some instances, increase the amount of sugar in your blood. Ask your doctor if you need to change your dose. This drug should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known if gemfibrozil passes into breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Gemfibrozil should not be used with the following medication because very serious effects (very low blood sugar) may occur: repaglinide. If you are currently using this medication, tell your doctor or pharmacist before starting gemfibrozil. Also, itraconazole should not be used in combination with repaglinide and gemfibrozil because extremely low blood sugar could occur. Use caution if the following drugs are combined with gemfibrozil because serious side effects such as muscle injury (myopathy) infrequently could occur: "statins" (e.g., lovastatin, atorvastatin), high-dose niacin (1 gram or more per day). Before you take gemfibrozil, tell your doctor of any over-the-counter or prescription drugs you are taking, especially of: anticoagulants ("blood thinners"), niacin. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include: abdominal cramps, joint and muscle pain, or severe diarrhea/nausea/vomiting.


Your doctor may periodically perform lab tests during treatment to evaluate the effectiveness of the medication and to check for possible side effects. Know what your cholesterol level is and understand what it means. Your doctor, pharmacist or nutritionist can provide you with valuable information. Do not share this medication with others.

Missed Dose

If you miss a dose, take as soon as remembered; do not take if it is almost time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store at controlled room temperature 68-77 degrees F (20-25 degrees C), away from light and moisture.