Gemfibrozil

Gemfibrozil is a fibrate medicine used along with diet to treat very high triglyceride levels. This guide covers gemfibrozil uses, how it works, dosage, side effects, precautions, use in pregnancy and breastfeeding, brand names and its approximate price in India.

At a Glance

What is Gemfibrozil?

Gemfibrozil is a fibric acid derivative used, along with diet, to treat very high levels of triglycerides (a type of blood fat). It lowers triglycerides and VLDL (very-low-density lipoprotein) cholesterol and also raises HDL (“good”) cholesterol.

How Gemfibrozil Works

Gemfibrozil reduces the liver’s production of triglycerides and VLDL, and it increases HDL as a secondary effect. It is classed as a PPAR-alpha agonist, although its exact mechanism of action is not fully established. It lowers triglycerides much more than it lowers LDL (“bad”) cholesterol.

When to Use Gemfibrozil

Gemfibrozil is not a general cholesterol medicine. Approved uses can differ between countries, so follow your doctor’s prescription. The US-labelled uses, always along with diet, are:

• Very high triglycerides (Types IV and V hyperlipidemia): In adults at risk of pancreatitis whose triglycerides have not responded adequately to a determined effort at dietary control. This is the primary use.
• Reducing the risk of coronary heart disease in a specific group of patients: The US label limits this to Type IIb patients with no history or symptoms of coronary heart disease. They must have had an inadequate response to weight loss, diet, exercise, and other medicines, and have low HDL together with high LDL and high triglycerides.

Important context: The second use applies only to this narrow, FDA-labelled population. Gemfibrozil is not a general or first-line medicine for preventing heart disease. Current cardiovascular guidelines, such as the American Diabetes Association’s 2026 Standards of Care, prioritize LDL/cholesterol management, including statins when indicated. They generally do not recommend adding a fibrate to statin therapy just to reduce cardiovascular risk, because it does not provide additional risk reduction.

Gemfibrozil is not indicated for low HDL cholesterol alone, or for people whose only problem is raised LDL cholesterol. A study in men with existing heart disease did not show a benefit from it in reducing cardiac events.

Doctors usually try diet, exercise, weight loss, and treatment of contributing conditions (such as diabetes or an underactive thyroid) first.

Gemfibrozil Dosage

Gemfibrozil is for adults. Safety and effectiveness in children have not been established. Your doctor decides the dose based on the condition being treated, your lipid results, your kidney and liver function, and your other medicines.

• Usual adult dose (US labelling, 600 mg tablets): 1,200 mg a day, taken as 600 mg twice daily, 30 minutes before the morning and evening meals.
• Timing matters: Absorption is best when taken about 30 minutes before meals.
• Kidney function: Gemfibrozil should not be used in severe kidney dysfunction. If kidney function is reduced, your doctor may consider another treatment and may assess your kidney function before and during treatment as appropriate.
• Review of response: Lipid levels are checked periodically, and the medicine is stopped if the response is inadequate after 3 months.
• Colestipol: If you also take colestipol, take it at least 2 hours apart from gemfibrozil.

Always follow your prescription and the label of the specific product you are given. Do not start, stop, or change the dose on your own.

Side Effects of Gemfibrozil

• Common: Indigestion (dyspepsia), stomach pain, diarrhea, nausea or vomiting, fatigue, headache, dizziness, rash.
• Serious (seek medical advice promptly):
  • Muscle pain, tenderness, or weakness (possible myopathy or rhabdomyolysis)
  • Gallstones or gallbladder inflammation, such as severe upper-abdominal pain
  • Liver problems, such as yellowing of the skin or eyes, dark urine, or unusual tiredness
  • Signs of low blood counts, such as unusual bruising, bleeding, infections, or paleness
  • Swelling of the face or throat, or hives (allergic reaction)

Precautions and Who Should Not Use Gemfibrozil

• Do not use if you have liver disease or severe kidney dysfunction, pre-existing gallbladder disease, or an allergy to gemfibrozil.
• Do not combine with simvastatin, repaglinide, dasabuvir, or selexipag.
• Statins: Gemfibrozil can interact with several statins and increase the risk of muscle toxicity. The combination with simvastatin is specifically contraindicated, while other statin combinations should only be used when a clinician determines that the benefits outweigh the risks. Never combine gemfibrozil with a statin on your own.
• Warfarin: Gemfibrozil can increase its effect, so the warfarin dose usually needs to be reduced and blood clotting checked frequently.
• Colchicine: Using it with gemfibrozil may increase the risk of muscle problems (myopathy), especially in older adults and people with reduced kidney function.
• Other medicines: Gemfibrozil can raise blood levels of several other medicines, including some diabetes medicines. Tell your doctor and pharmacist about everything you take.
• Monitoring: Your doctor may monitor blood lipids, liver function, and blood counts as appropriate, particularly during treatment and when clinically indicated. Treatment is stopped if liver abnormalities persist or gallstones are found.
• Alcohol and weight: Excess alcohol intake and excess body weight can raise triglycerides, so discuss both with your doctor.

Gemfibrozil in Pregnancy and Breastfeeding

• Pregnancy: Gemfibrozil is generally avoided during pregnancy. It caused adverse effects in animal studies, and there are no adequate studies in pregnant women. If you are pregnant, planning pregnancy, or become pregnant while taking it, contact your doctor promptly. In some high-risk situations, such as severe hypertriglyceridemia, a doctor may decide that continuing lipid-lowering treatment is justified after weighing the risks and benefits.
• Breastfeeding: It is not known whether gemfibrozil passes into breast milk, and some product labels advise against breastfeeding while taking it. Your doctor will weigh whether to stop breastfeeding or stop the medicine, considering how important it is for you.

Brand Names of Gemfibrozil

In the US, gemfibrozil is sold as Lopid and as generic gemfibrozil 600 mg tablets.

In India, gemfibrozil 600 mg tablets have been listed under brands such as Lopid (Pfizer Ltd), Triglyd (Micro Labs), and Regulipid (Dr Reddy’s). Current retail information lists each of these as discontinued by the manufacturer. Other gemfibrozil products, including lower strengths, appear in Indian listings, but their current availability could not be reliably verified. Availability can change, so ask your pharmacist or doctor which product and strength is currently available, and check the strength on the pack.

Gemfibrozil Price in India

Current listings show GempaR 300 mg at MRP ₹46 and Lopid 300 mg at MRP ₹312.43; Triglyd 600 mg is listed at ₹89.33 but marked unavailable.

How HealthPil Can Help

Cholesterol and triglyceride medicines should be started, adjusted, or stopped only under the guidance of a qualified healthcare professional. If you have questions about gemfibrozil, its side effects, interactions, or your treatment plan, you can consult a doctor through HealthPil