Back to blog
Medications·March 14, 2025·4 min read

Muscle Aches on a Statin? Don't Stop — Talk to Your Pharmacist First

Myalgia is the most common reason patients stop taking statins — but stopping abruptly raises cardiovascular risk. Here's what to do instead.

Clinical Pharmacist at Pill4Me

Statins are among the most effective medications we have for reducing the risk of heart attack and stroke. But muscle aches — a side effect called myalgia — lead many patients to stop taking them on their own. This is a problem, because stopping abruptly significantly raises cardiovascular risk.

How common is statin myalgia?

Reported rates vary widely depending on how myalgia is defined, but estimates range from 5–15% of patients on statins. Symptoms are usually mild to moderate muscle aching, stiffness, or weakness. They may begin within weeks of starting or can appear much later.

Why you shouldn't stop without talking to your pharmacist

Statins protect the heart and blood vessels over time. Stopping without guidance removes that protection. Studies show that patients who discontinue statins after a cardiovascular event have a meaningfully higher risk of a second event in the following months.

More importantly, in most cases, statin-related myalgia is manageable — without stopping therapy entirely.

What your pharmacist can do

When you report muscle side effects to your Pill4Me pharmacist, we'll consider several options:

Switch to a different statin. Not all statins have equal muscle side effect profiles. Patients intolerant of one often tolerate another. Pravastatin and fluvastatin tend to have lower rates of myalgia than simvastatin or lovastatin at equivalent doses.

Reduce the dose. A lower dose of a high-potency statin (like rosuvastatin) may achieve adequate LDL reduction with fewer side effects.

Change timing. Some patients do better taking their statin in the morning rather than at night, or on alternate days (only appropriate for certain statins).

Check for drug interactions. Some medications increase statin levels in the blood, amplifying side effects. We'll review your full medication list.

Rule out other causes. Hypothyroidism, vitamin D deficiency, and heavy exercise can all cause muscle aches. We may suggest a blood test to check CK (creatine kinase) levels and rule out other contributors.

When to seek immediate care

Rhabdomyolysis — severe muscle breakdown — is rare but serious. Call your doctor or go to emergency if you experience severe muscle pain, weakness, or dark (tea-coloured) urine. These are not typical myalgia symptoms.

Talk to us before stopping

Walk in or call Pill4Me at 604-705-3644 if you're having side effects from any medication. We're here to find a solution — not just dispense and send you on your way.

Ready to experience a better pharmacy?

Transfer your prescription in under 60 seconds — no login required.

Transfer my prescription →