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Side Effects of
Statins

FIND A PHARMACIST WHO OFFERS GENETIC TESTING FOR Statins

Description: “Statins” are group of cholesterol medications that all work in the same way and thus cause a similar set of side effects in susceptible patients. Since their introduction in the 1980s, statins, also known as “HMG-CoA reductase inhibitors,” have emerged as the one of the best-selling medication classes to date, with numerous trials demonstrating powerful efficacy in preventing cardiovascular disease – the leading cause of morbidity and mortality worldwide. (Advances in Clinical Chemistry, “Biochemistry of Statins,” Jan 2016).

Serious Side Effects: Myopathy, Liver Damage, Cognitive Issues

Statin side effects can be severe, even life-threatening. Following are serious potential side effects of statins:

  • Statin Myopathy – Statins commonly affect the muscles in some way, usually causing soreness, but sometimes causing damage. Muscle injury caused by statins is called “statin myopathy.” Minor statin myopathy causes muscles achiness and soreness (myalgia) and perhaps muscle weakness. Muscle inflammation may also occur. In serious cases, statin myopathy causes muscle cells do die and release their contents into the bloodstream (rhabdomyolysis). These contents can, in turn, injure the kidneys and lead to renal failure. (Methods in Molecular Biology “Approach to clinical and genetic characterization of statin-induced myopathy,” Aug 2014).
  • Liver Problems from Statin Use – Up to 3% of people who take statins develop elevated liver enzymes. Elevated liver enzymes are a sign that the liver is being injured in some way. A brief, mild elevation in liver enzymes can come from relatively minor things, like drinking alcohol or eating a fatty meal. The same may occur from statins, which is not a problem. However, if the liver enzymes increase substantially (e.g., ALT reaches three times the upper limit of normal), a change in medication should be considered (and should resolve the problem). (Chinese Medical Journal “Effects of statins on the liver: clinical analysis of patients with ischemic stroke,” Mar 2011).
  • Behavioral and Cognitive Problems from Statin Use – In some cases, statins may be the cause of potentially severe behavioral and cognitive problems. There have been some reports of people experiencing problems with memory, irritability, aggression, and depression. These statins side effects are relatively rare, but if they occur, they can be extremely distressing to the patient and the patient’s family. (Journal of the American Geriatric Society “Statins and cognitive decline in older adults with normal cognition or mild cognitive impairment,” Sep 2013).
  • Understand Your Risks with the Rxight® Genetic Test

    The Rxight® DNA testing program from MD Labs, a CLIA-certified pharmacogenetic testing service, analyzes your unique genetic makeup to determine how your body metabolizes over 200 clinically relevant prescription and over-the-counter pharmacological agents across dozens of pharmacological classes, including statins. The testing is done by your pharmacist’s taking a non-invasive DNA sample via a cheek swab. Each patient receives a Personalized Medication Review®, a detailed analysis of your results detailing which medications are potentially dangerous for you and which may not provide benefit due your unique genetically determined metabolism of these pharmacological agents.

    How Does Pharmacogenetic Testing Work?

    Pharmacogenetics is the study of the way genetic variants affect drug metabolism. You experience side effects in part because of genetic variants that affect how the medicine is assimilated. Prescribers frequently use a traditional “trial and error” method to slowly find dosages that reduce symptoms and minimize unpleasant side effects or serious adverse reactions – a process which can take months if not years, and which can result in potentially serious adverse reactions. In this way, pharmacogenetic testing with Rxight® helps clinicians select medications and doses associated with better therapeutic value and fewer side effects (and reducing patient non-compliance), rather than relying on a potentially protracted and deleterious trial and error approach.

    Contributors to this Article:
    Michael Sapko, MD, PhD; Deborah Kallick, PhD, Medicinal Chemistry

    Statins Tested Include:

    Read more about Rxight® Pharmacogenetics