Swollen, tender lymph nodes always from infection?

No. There are numerous possibilities and these should be evaluated with full detailed history, physical exam, possible labs and possible biopsy.

Related Questions

Tender lymph nodes that have been swollen for months?

Other symptoms? You need a full history, physical exam, lab studies and possible biopsy. You do not even mention where these nodes are located. Go see your doctor. Read more...

Swollen, tender lymph nodes--are they cancer?

Inflammation likely. Likely inflammation- which is way more common than cancer. Having said that, it is hard to say more without a good examination. You should go to see your primary care doctor to discuss in detail and have a proper evaluation . Read more...
Tender nodes more. Likely infectious or reactive than cancer, but nodes that do ot go away need to be checked and possibly biopsied. Read more...

I am experiencing enlarged or tender lymph nodes.

Evaluation. Lymph nodes can be enlarged for many reasons with infection being a very common reason. In this scenario they tend to be tender also. However, any persistently enlarged or tender nodes need to be evaluated by a medical person. Good luck. Read more...