The evaluation of axillary lymphadenitis begins with a history and physical exam.

Physical findings in someone with axillary lymphadenitis include:

• Swollen lymph glands in the armpit
• Tender lymph glands in the armpit
• Redness to the skin in the armpit
• Fever
• Red streaks in the skin:
• Lymphangitis due to an infected arm

Usually, tests are not necessary to make the diagnosis of axillary lymphadenitis.

Tests that may be used to evaluate axillary lymphadenitis include:

• Blood cultures
• Complete blood count
• Lymph node biopsy