Most causes are self limiting, common causes include:

• Excessive exertion
• trauma
• viral infections

I - Exertional

I - Viral infection; Bacterial infection; Spirochete infection. E.g. Dengue fever; Trichinella infection N - Psychiatric (manifestations of depression), neuropathic

D

I - Statins, Bisphosphonates, corticosteroids, ciprofloxacin, clofibrate, colchicine, chloroquine, emetine, aminocaproic acid, zidovudine, bretylium, penicillamine, drugs causing hypokalemia

A -

Polymyalgia rheumatica

Rhabdomyolysis (and anything that can cause rhabdomyolysis)

Myositis (muscle inflammation): e.g, polymyositis, dermatomyositis

Systemic lupus erythematosus (SLE)

Rheumatoid arthritis

Sarcoidosis

Scleroderma

Sjögren’s syndrome

T

E - hypothyroidism; hyperthyroidism; Cushing’s syndrome; Adrenal insufficiency; Hyperparathyroidism, ****Vitamin D deficiency; Mitochondrial myopathy; Scurvy; Osteomalacia, Fibromyalgia, Rhabdomyolisis