Muscle pain during statin treatment needs assessment, but is not always caused by the medicine. Statins lower blood lipids and reduce cardiovascular risk when appropriately prescribed. The aim is an effective treatment you can also tolerate.
Start with the timeline
Record when treatment began or the dose changed, when pain appeared and where it occurs. Mention new exercise, an infection and other new medicines. These details help your clinician assess possible causes and interactions.
Some antibiotics, antifungal medicines and other products interact with statins. Include non-prescription medicines and herbal products in your list. Ask the pharmacy or prescriber to check your actual combination.
A record for your medicine review
| Record | What to describe |
|---|---|
| Start | Date of a new statin or dose change. |
| Symptoms | Pain, weakness or both? Which muscles? |
| Function | Are stairs, walking or standing up more difficult? |
| Context | Exercise, fever, other medicines and previous similar symptoms. |
Does everyone need a CK test?
No. CK is a blood test that may help assess muscle symptoms, especially when marked or persistent. Routine CK testing is not required for everyone taking a statin. Exercise can also influence CK, so the result needs context.
What might the prescriber change?
After assessment, options can include adjusting the dose, changing statin or considering another lipid-lowering treatment. A planned interruption with follow-up is sometimes used to investigate the relationship. Avoid repeated stops and restarts on your own; ask for dates and a contact route.
- What is the aim of my treatment?
- What other explanations for the pain need assessment?
- How will any treatment change be evaluated?
When to seek prompt help
Seek prompt clinical assessment for severe muscle pain or clear weakness, particularly with fever, dark urine or feeling generally unwell. Serious muscle injury is rare but needs quick assessment. Do not wait for routine blood testing. In Sweden call 1177 for advice about urgency, and contact your prescriber for milder persistent symptoms.
Sources and further reading
- 1177: Läkemedel vid höga halter av blodfetter (in Swedish)
- 1177 för vårdpersonal: Hyperlipidemi (in Swedish)
- NHS England: Statin intolerance pathway
- NHS: Atorvastatin, serious side effects
Sources and links checked on 22 October 2026. Editorial team: Hagakliniken. General information; individual assessment may differ.