Differential diagnosis of fibromyalgia are :
-depression
-chronic fatigue syndrome
-hypothyroidism
-somatoform disorder
-hypophosphatemia
-oncogenic osteomalacia
-polymyositis
-lyme disease
-systemic lupus erythematosus
-hypothyroidism
-obstructive sleep apnea
-rheumatoid arthritis
-polymyalgia rheumatica
-depression
-chronic fatigue syndrome
-hypothyroidism
-somatoform disorder
-hypophosphatemia
-oncogenic osteomalacia
-polymyositis
-lyme disease
-systemic lupus erythematosus
-hypothyroidism
-obstructive sleep apnea
-rheumatoid arthritis
-polymyalgia rheumatica