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Gemfibrozil

Also known as: Lopid

Peroxisome Proliferator Receptor alpha AgonistPeroxisome Proliferator-activated Receptor alpha Agonists

Route: Oral

Check Gemfibrozil Interactions →
53 interactions on record⛔ Black Box Warning

Gemfibrozil has 53 known drug interactions based on U.S. FDA drug labeling data. Of these, 14 are contraindicated combinations that should be avoided entirely. 17 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Atorvaliq, Atorvastatin Calcium, Daprodustat. Patients taking Gemfibrozil should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.

Total
53
Contraindicated
14
Major
17
Moderate
21
Minor
1

Contraindicated (14)

  • Gemfibrozil + Atorvaliq— Increases risk of myopathy and rhabdomyolysis when used with ATORVALIQ. Concomitant use is not recommended.
  • Gemfibrozil + Atorvastatin Calcium— Increases risk of myopathy and rhabdomyolysis when used with atorvastatin. Concomitant use is not recommended.
  • Gemfibrozil + Daprodustat— Strong CYP2C8 inhibitor causing marked increase in daprodustat exposure. Contraindicated with DAPRODUSTAT.
  • Gemfibrozil + Dasabuvir— Dasabuvir: Co-administration of gemfibrozil with dasabuvir increased dasabuvir AUC and C max (ratios: 11.3 and 2.01, res…
  • Gemfibrozil + Ezetimibe And Simvastatin— Contraindicated due to increased risk of myopathy and rhabdomyolysis with ezetimibe and simvastatin tablets.
  • Gemfibrozil + Fluvastatin— Concomitant administration increases risk of myopathy and rhabdomyolysis. Should be avoided.
  • Gemfibrozil + Fluvastatin Sodium— Increased risk of myopathy and rhabdomyolysis when used concomitantly with fluvastatin. Avoid concomitant use.
  • Gemfibrozil + Irinotecan Hydrochloride— UGT1A1 inhibitor may increase systemic exposure to irinotecan or SN-38. Do not administer unless no therapeutic alternat…
  • Gemfibrozil + Pravastatin Sodium— Concomitant administration should be avoided due to significantly increased risk of myopathy/rhabdomyolysis.
  • Gemfibrozil + Repaglinide— Gemfibrozil significantly increased repaglinide exposures by 8.1 fold. Do not administer repaglinide to patients receivi…
  • Gemfibrozil + Resmetirom— Strong CYP2C8 inhibitor; concomitant use not recommended as it increases resmetirom Cmax and AUC, increasing risk of adv…
  • Gemfibrozil + Rosuvastatin Calcium— Combination should be avoided due to increased risk of myopathy/rhabdomyolysis. If used together, limit rosuvastatin to …
  • Gemfibrozil + Selexipag— Strong CYP2C8 inhibitor that doubled selexipag exposure and increased active metabolite exposure approximately 11-fold. …
  • Gemfibrozil + Simvastatin— Drug Interactions ( A) HMG-CoA Reductase Inhibitors: The concomitant administration of gemfibrozil with simvastatin is c…

Major (17)

Moderate (21)

  • Gemfibrozil + Atorvastatin— OATP1B1 substrate; gemfibrozil inhibition may increase atorvastatin exposure, requiring dosing reduction.
  • Gemfibrozil + Atrasentan— OATP1B1 substrate; gemfibrozil inhibition may increase atrasentan exposure, requiring dosing reduction.
  • Gemfibrozil + Bosentan— OATP1B1 substrate; gemfibrozil inhibition may increase bosentan exposure, requiring dosing reduction.
  • Gemfibrozil + Brincidofovir— OATP1B1/1B3 inhibitor increases brincidofovir AUC and Cmax, may increase adverse reactions. Monitor for elevations in tr…
  • Gemfibrozil + Colchicine— Other lipid-lowering drug that may interact with colchicine. Monitor patients during coadministration.
  • Gemfibrozil + Dabrafenib— Gemfibrozil is a strong CYP2C8 inhibitor that may increase dabrafenib exposure; dosing reduction may be required.
  • Gemfibrozil + Eluxadoline— OATP1B1 inhibitor that may increase eluxadoline exposure. Requires monitoring for adverse reactions and potential dose a…
  • Gemfibrozil + Enzalutamide— Gemfibrozil is a strong CYP2C8 inhibitor that may increase enzalutamide exposure; dosing reduction may be required.
  • Gemfibrozil + Ezetimibe— OATP1B1 substrate; gemfibrozil inhibition may increase ezetimibe exposure, requiring dosing reduction.
  • Gemfibrozil + Glibenclamide— OATP1B1 substrate; gemfibrozil inhibition may increase glyburide exposure, requiring dosing reduction.
  • Gemfibrozil + Irinotecan— OATP1B1 substrate (active metabolite SN-38); gemfibrozil inhibition may increase irinotecan exposure, requiring dosing r…
  • Gemfibrozil + Loperamide— Gemfibrozil is a strong CYP2C8 inhibitor that may increase loperamide exposure; dosing reduction may be required.
  • Gemfibrozil + Montelukast— Gemfibrozil is a strong CYP2C8 inhibitor that may increase montelukast exposure; dosing reduction may be required.
  • Gemfibrozil + Olmesartan— OATP1B1 substrate; gemfibrozil inhibition may increase olmesartan exposure, requiring dosing reduction.
  • Gemfibrozil + Paclitaxel— CYP2C8 inhibitor; caution should be exercised when administering paclitaxel concomitantly.
  • Gemfibrozil + Pravastatin— OATP1B1 substrate; gemfibrozil inhibition may increase pravastatin exposure, requiring dosing reduction.
  • Gemfibrozil + Rifampin— OATP1B1 substrate; gemfibrozil inhibition may increase rifampin exposure, requiring dosing reduction.
  • Gemfibrozil + Rosiglitazone— Gemfibrozil is a strong CYP2C8 inhibitor that may increase rosiglitazone exposure; dosing reduction may be required.
  • Gemfibrozil + Treprostinil— CYP2C8 inhibitor increases treprostinil exposure (Cmax and AUC). Monitor for increased treprostinil effects.
  • Gemfibrozil + Vadadustat— OAT3 inhibitor may increase vadadustat AUC, increasing risk of adverse reactions. Monitor for rapid hemoglobin increase …
  • Gemfibrozil + Valsartan— OATP1B1 substrate; gemfibrozil inhibition may increase valsartan exposure, requiring dosing reduction.

Minor (1)

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.

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