A 45-year-old man presents with chronic widespread musculoskeletal pain, fatigue and unrefreshing sleep for 1 year. Examination and investigations are normal. You suspect fibromyalgia. What is the most appropriate initial management approach?ALong-term opioids for pain controlBMultidisciplinary management with education, graded exercise and cognitive behavioural therapyCHigh-dose corticosteroidsDImmobilisation and restESurgical referral for muscle biopsyCheck my answer