The evaluation of anthrax begins with a history and physical exam.

Physical findings in those with anthrax may include:

• Cough
• Difficulty breathing
• Fever
• Rectal bleeding
• Skin ulcers

The diagnosis of anthrax requires testing.

Tests for anthrax may include:

• Anthrax PCR
• Culture of nasal discharge
• Rapid anthrax tests
• Chest x-ray
• Pulse oximetry
• Stool guaiac testing