Taking Atorvastatin? 15 Possible Side Effects to Know
Atorvastatin is a statin used to lower cholesterol and reduce the risk of heart attacks and strokes. Most people tolerate it well, but side effects can occur.
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Possible side effects include:
Muscle aches or soreness
Muscle cramps
Muscle weakness
Joint or back pain
Headache
Dizziness
Nausea
Diarrhea
Constipation
Indigestion or heartburn
Gas or bloating
Tiredness or weakness
Sleep problems
Memory problems or forgetfulness
Confusion
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The symptoms you shouldn’t ignore
Unexplained muscle pain, tenderness, or weakness—especially with fever, unusual tiredness, or dark/brown urine—needs prompt medical attention. Rarely, statins can cause severe muscle injury (rhabdomyolysis), which can damage the kidneys.
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Also seek medical advice if you develop yellow skin or eyes, dark urine, unusual bruising, severe abdominal pain, or significant loss of appetite, as these can indicate liver or other problems.
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Don’t stop atorvastatin on your own
Even if you suspect a side effect, don’t simply discontinue the medication. Your clinician can check whether atorvastatin is responsible, perform appropriate blood tests, adjust the dose, or consider another statin. Stopping cholesterol treatment without medical guidance can increase cardiovascular risk.
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One other point: atorvastatin can modestly increase blood glucose in some people, while the cardiovascular benefits of statins are well established.
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If you’re experiencing a particular symptom while taking atorvastatin, tell me the symptom, your dose (e.g., 20 mg), and how long you’ve been taking it, and I can explain how concerning it is.
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