Temporal (giant cell) arteritis

Raynaud's phenomenon and acrocyanosis

Headache

Ataxia

Fatigue

Sjögren's syndrome

Neurological disorders and alcohol

Listeriosis

Acute heat illnesses

An unconscious patient

Methotrexate in the treatment of rheumatic diseases

Gout

Juvenile idiopathic arthritis (juvenile rheumatoid arthritis)

Cholesterol embolization

Guillain-Barré syndrome (polyradiculitis)

Multiple sclerosis (MS)

Acute porphyria

Suspicion of rabies

Amyotrophic lateral sclerosis (ALS)

Hyperventilation