CPK Creatine Phosphokinase Test

SKU
CPK Creatine Phosphokinase Test
$36.90

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CPK is creatine phosphokinase, an enzyme found mainly in the heart, brain, and skeletal muscle.High CPK can indicate muscle destruction, heart attacks, central nervous system issues, and others. Long term exposure to high CPK can load up your kidneys and may cause muscle loss and weakness. Sometimes we have no symptoms when CPK is high, but most of the time we have body aches and soreness. CPK can be increased by resistance exercise, so refrain from working out for at least 5 days before getting the CPK test.

What is the CPK Lab Test?

CPK is creatine phosphokinase, an enzyme found mainly in the heart, brain, and skeletal muscle. It is tested by taking a blood sample.

High CPK can indicate muscle destruction, heart attacks, central nervous system issues, and others. Long term exposure to high CPK can load up your kidneys and may cause muscle loss and weakness.

Symptoms and Causes of High CPK Blood Test

A CPK blood test is usually not included in the usual lab work unless you ask for it. Sometimes we have no symptoms when CPK is high, but most of the time we have body aches and soreness. CPK can increase with exercise, but if you exercise frequently and you have baseline CPK info, you can tell what may be drug-induced after you start a certain medication. 

To make sure your high CPK is not induced by heavy exercise, do not exercise for 5 days and have another test done after that.

Some medications can also increase CPK. Among them are amphotericin B, ampicillin, some anesthetics, blood thinners, aspirin, clofibrate, dexamethasone, statins. furosemide, alcohol, and cocaine. HIV medications have also been reported to increase CPK in some patients.

Low thyroid function can also be a cause of high CPK.

Treatments for High CPK

There is no treatment to bring down CPK beyond corticoid steroids. If CPK gets really high, doctors try to switch you to another medication if it is caused by statins or other medications, but it is very difficult for some patients to switch since they may have no other options.

Some doctors prescribe corticoid steroids to reduce whatever the inflammation may be, but this is not a cure. Corticoid steroids can lower bone density and testosterone, cause water retention and fat gain, and have been linked with joint bone death (necrosis), so they are not a good option to stay on for the long term.

If you are taking statins with or without fibrates, high CPK may indicate muscle-related problems that these drugs can cause in some people. Statins (with or without fibrates) can cause rhabdomyolysis which can cause destruction of muscle tissue in a few patients and increase CPK. Some patients have anecdotally reported improvements of this problem by taking Coenzyme Q-10 (statins lower it) and a good antioxidant formula.

If your CPK is high, your doctor may want to run this test to see what is the source of that increase:

Creatine Kinase (CK), Total Plus Isoenzymes Test

 

Please read the following frequently asked questions before placing an order: FAQs