Taking Atorvastatin? 15 Possible Side Effects to Know
Atorvastatin is a statin used to lower LDL cholesterol and reduce the risk of heart attack and stroke. Most people tolerate it well, but side effects can occur. nhs.uk+1
1. Muscle aches
You may notice unexplained soreness or aching in your muscles.
2. Muscle cramps or spasms
Cramping can occur, particularly in the legs.
3. Muscle weakness
Unusual weakness—especially if it persists—should be discussed with a healthcare professional.
4. Joint pain
Joint discomfort has been reported in people taking atorvastatin. DailyMed
5. Headache
Headaches are among the commonly reported side effects.
6. Dizziness
Some people experience dizziness, particularly after starting treatment.
7. Tiredness or weakness
Feeling unusually tired can occur, although fatigue also has many other possible causes.
8. Nausea
Some people experience nausea or feeling sick.
9. Indigestion
Indigestion and other digestive symptoms can occur.
10. Diarrhea
Loose stools are a recognized possible side effect.
11. Constipation
Some people experience constipation instead.
12. Gas or abdominal discomfort
Flatulence, abdominal discomfort, or stomach upset may occur. nhs.uk+1
13. Sleep problems
Insomnia and other sleep disturbances have been reported.
14. Changes in blood sugar
Atorvastatin can increase blood glucose or HbA1c in some people. This doesn’t mean people should stop a statin without medical advice; the cardiovascular benefits can be substantial. DailyMed
15. Memory or concentration symptoms
Memory problems have been reported with statins, although these symptoms are uncommon and can have many other causes. nhs.uk
🚨 Symptoms You Shouldn’t Ignore
Severe or unexplained muscle pain, tenderness, or weakness, especially with fever or dark/brown urine, can indicate serious muscle injury and requires prompt medical attention. nhs.uk+1
Also seek medical advice for yellow skin or eyes, dark urine, pale stools, loss of appetite, or severe abdominal pain, which can indicate a liver or other serious problem. nhs.uk+1
Should You Stop Atorvastatin?
Don’t stop atorvastatin on your own. If you suspect side effects, contact your doctor or pharmacist. They can determine whether atorvastatin is responsible and, when appropriate, adjust the dose, check blood tests, or consider another statin or cholesterol-lowering treatment. nhs.uk+1
Certain medicines and grapefruit juice can increase atorvastatin exposure, so your healthcare professional should know about all prescription medicines, supplements, and herbal products you use. nhs.uk

