Differential diagnosis
Common
Infrequent
- Acute coronary syndrome
- Alcohol withdrawal
- Graves' disease
- Premature ovarian failure
- Pneumothorax
- Ruptured abdominal aortic aneurysm
- Tuberculosis
- Toxic multinodular goitre
- Temporal arteritis
- Subacute (De Quervain's) thyroiditis
- Non-Hodgkin's lymphoma
Rare
- Hodgkin's lymphoma
- Toxic thyroid nodule (adenoma)
- Sarcoidosis
- Chronic myeloid leukaemia
- Malaria (Falciparum)
- Phaeochromocytoma
- Granulomatosis with polyangiitis
- Acromegaly
- Waldenstrom's macroglobulinaemia
- Cyclical vomiting syndrome
- Psittacosis