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Atorvastatin Calcium and Lofibra Capsules

Determining the interaction of Atorvastatin Calcium and Lofibra Capsules and the possibility of their joint administration.

Check result:
Atorvastatin Calcium <> Lofibra Capsules
Relevance: 19.09.2022 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Using fenofibrate together with atorvastatin can increase the risk of side effects such as liver damage and a rare but serious condition called rhabdomyolysis that involves the breakdown of skeletal muscle tissue. In some cases, rhabdomyolysis can cause kidney damage and even death. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Talk to your doctor if you have any questions or concerns. Your doctor may already be aware of the risks, but has determined that this is the best course of treatment for you and has taken appropriate precautions and is monitoring you closely for any potential complications. Let your doctor know immediately if you have unexplained muscle pain, tenderness, or weakness while taking these medications, especially if these symptoms are accompanied by fever or dark colored urine. You should also seek immediate medical attention if you develop fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, dark colored urine, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

GENERALLY AVOID: Severe myopathy and rhabdomyolysis have been reported during concomitant use of HMG-CoA reductase inhibitors and fibric acid derivatives, especially gemfibrozil. Gemfibrozil has been reported to significantly increase the plasma concentrations of some HMG-CoA reductase inhibitors and/or their active metabolites, including lovastatin, simvastatin, pravastatin, cerivastatin, and rosuvastatin (but not fluvastatin). High levels of HMG-CoA reductase inhibitory activity in plasma is associated with an increased risk of musculoskeletal toxicity. Myopathy manifested as muscle pain and/or weakness associated with grossly elevated creatine kinase exceeding ten times the upper limit of normal has been reported occasionally. Rhabdomyolysis has also occurred rarely, which may be accompanied by acute renal failure secondary to myoglobinuria and may result in death. Other fibrates have not been shown to significantly affect the pharmacokinetics of HMG-CoA reductase inhibitors. However, the use of fibrates alone has also been associated with development of myopathy, thus a pharmacodynamic interaction could conceivably occur.

MANAGEMENT: Concurrent use of fibric acid derivatives and HMG-CoA reductase inhibitors should generally be avoided unless the benefit of further alterations in lipid levels is anticipated to outweigh the potential risks. Addition of fibrates to HMG-CoA reductase inhibitor therapy typically provides little additional reduction in LDL cholesterol, but further reductions of triglycerides and increases in HDL cholesterol may be attained. If the combination is prescribed, a fibrate other than gemfibrozil may be preferable, along with lower initial dosages of the HMG-CoA reductase inhibitor. If gemfibrozil is used, rosuvastatin daily dosage should not exceed 10 mg. Lovastatin labeling recommends that the dosage not exceed 20 mg daily when prescribed with gemfibrozil or other fibrates. All patients treated with HMG-CoA reductase inhibitors and/or fibrates should be advised to promptly report any unexplained muscle pain, tenderness or weakness, particularly if accompanied by fever, malaise and/or dark colored urine. Therapy should be discontinued if creatine kinase is markedly elevated in the absence of strenuous exercise or if myopathy is otherwise suspected or diagnosed. In addition, patients should be closely monitored for hepatotoxicity.

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Atorvastatin Calcium

Generic Name: atorvastatin

Brand name: Lipitor

Synonyms: Atorvastatin, AtorvaSTATin

Lofibra Capsules

Generic Name: fenofibrate

Brand name: Antara, Fenoglide, Lipofen, Tricor, Triglide, Lipidil Micro, Dom-Fenofibrate, Lipidil Supra, Lofibra, Lipidil EZ

Synonyms: Fenofibrate, Fenofibrate and Derivatives

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

Interaction with food and lifestyle