Taking atorvastatin? 15 possible side effects to know
The phrase “hidden side effects your doctor may not tell you” is misleading. Atorvastatin is extensively studied and is commonly used to lower LDL cholesterol and reduce the risk of heart attack and stroke. Most people tolerate it without serious problems.
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Possible side effects include:
Muscle aches or soreness
Muscle weakness
Muscle cramps
Joint pain
Headache
Dizziness
Nausea
Indigestion or stomach discomfort
Constipation
Diarrhea
Gas/flatulence
Sleep problems
Increased blood glucose or HbA1c in some people
Changes in liver enzymes
Memory loss or confusion — reported rarely; the relationship with statins isn’t always clear.
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🚨 The symptoms that matter most
Severe or unexplained muscle pain, tenderness, or weakness, particularly with fever, unusual tiredness, or dark/brown urine, can indicate a rare but serious muscle injury called rhabdomyolysis. This can damage the kidneys and needs prompt medical attention.
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Also seek medical advice for possible liver problems, such as yellowing of the skin or eyes, dark urine, unusual fatigue, loss of appetite, or upper-abdominal pain. Serious liver injury is rare.
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Don’t stop it on your own
If you suspect atorvastatin is causing symptoms, don’t simply discontinue it without discussing it with your doctor or pharmacist. Your clinician may adjust the dose, switch to another statin, or investigate other causes of the symptoms. Stopping treatment can allow cholesterol to rise and remove some of its cardiovascular protection.
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Certain medicines and large amounts of grapefruit juice can increase atorvastatin-related side effects, so your pharmacist should know about all prescription medicines, OTC drugs, vitamins, and supplements you’re taking.
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