Fibromyalgia Symptoms Cardinal Features: • Sleep disturbances: Insomnia, Frequent awakening, Non-restoring sleep • Pain: Generalized (head-to-toes), Described in terms of neuropathic pain, paraesthesias • Fatigue: Physical, Mental Other Common Features: • Psychiatric symptoms: Anxiety, Depression, Post-traumatic stress disorder • Cognitive dysfunctions: Concentration difficulties, Memory deficits • Autonomic Disturbances: Blurred vision, photophobia and xerophthalmia, Feeling of instability, Xerostomia, Variations in responses to cold at the extremities (including Raynaud phenomenon), Orthostatic hypotension • Regional pain syndromes: Migraine or headache, Stomach ache or dyspepsia, Abdominal pain or irritable bowel syndrome, Dysmenorrhoea, Vulvodynia, Dysuria • Hypersensitivity to external stimuli: Hypersensitivity to light, odours and sounds, Chemical sensitivity • Stiffness: Morning stiffness not exceeding 60 min doi:10.1038/s41584-020-00506-w #Fibromyalgia #Symptoms #diagnosis #rheumatology