What does it mean if you have swollen armpits and joint pain?

Swelling in the armp. It or axilla can be a sign of lymph node involvement and arm pain associated can be a sign of infection inflammation or circulation disturbance or something more severe , if you have pain in your armpits and swollen painful arms you need to be evaluated.
Mononucleosis. Swelling under the arms and generalized pain are symptoms of mono. You should see your family doctor and perhaps get a blood test to confirm it.

Related Questions

What could cause swollen armpits and joint pain?

Several things. Symptoms and concerns like these mandate a thorough evaluation by your doctor. Only after such an evaluation, which may include labs and radiographic examinations, can he/she let you know what's going on and how best to help you. Read more...

I am tired and weak & takes naps during the day. I have joint pain and a swollen lump under my right armpit. My skin is very pale. What could this be?

See below. The lump could be a lymph node. The fatigue and the pale skin suggest anemia. You need to see a doctor and make sure that you do not have a infection or even a hematological condition such as lymphoma. Good luck and please keep us posted. Read more...
Chronic illness. The swollen lump is likely an enlarged lymph node. In most cases, lymph nodes enlarge due to infection. In some cases, it can be as serious as cancer. You need to see your doctor. The fact that you take both Ibuprofen and Naproxen is concerning as they both can potentially cause internal bleeding leading anemia with pale skin, tiredness, and weakness as you describe. Read more...