statin-associated muscle symptoms
Also written as: SAMS — statin-associated muscle symptoms
Muscle-related adverse effects attributed to statin therapy, ranging from mild myalgia to severe rhabdomyolysis, requiring careful evaluation and management in preventive cardiology.
Full Definition
Statin-associated muscle symptoms (SAMS) encompass a spectrum of muscle-related complaints in patients taking statin medications, ranging from mild muscle aches (myalgia) to severe muscle breakdown (rhabdomyolysis). SAMS affects approximately 5-10% of statin-treated patients and represents the most common reason for statin discontinuation. Symptoms typically include muscle pain, weakness, or cramping, often affecting large muscle groups. Diagnosis requires careful evaluation including creatine kinase levels, assessment of symptom timing relative to statin initiation, and consideration of alternative causes. Management strategies include temporary statin discontinuation, rechallenge with the same or different statin, dose reduction, alternative dosing regimens, or switching to non-statin therapies. True statin intolerance is less common than initially suspected, with many patients able to tolerate alternative statin regimens.
Usage
Usage note: SAMS is the preferred term over 'statin myopathy' which implies definitive muscle pathology; document CK levels when evaluating SAMS.
In Context
- "The patient reported statin-associated muscle symptoms with atorvastatin, prompting a trial of rosuvastatin at lower dose." — medication reconciliation note
- "Systematic evaluation of statin-associated muscle symptoms revealed normal CK levels and improvement with temporary discontinuation." — adverse event assessment