The evaluation of brucellosis begins with a history and physical examination.

Physical findings in those with brucellosis may include:

• Lymph gland swelling
• Enlargement of the liver
• Enlargement of the spleen
• Fever

The diagnosis of brucellosis must be confirmed by testing.

Tests that may be used to evaluate brucellosis include:

• Complete blood count
• Urinalysis
• Lumbar puncture
• Liver profile
• Coagulation profile
• Serum Brucella antigen assay
• Cold agglutinins
• Chest x-ray:
• May show fluid in the chest cavity or a lung abscess