A member asked:

What can cause a swollen lymph gland?

3 doctors weighed in across 2 answers
Dr. Stuart Hickerson answered

Specializes in Family Medicine

Inflammation: Swollen lymphnodes are caused by things that cause inflamation. This can be infectious: viral or bacterial, chemical exposure, allergies. Tumors can cause swelling: lymphoma or metestatic turmors.

Answered 10/14/2016

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Dr. Michael Miller answered

Specializes in Wound care

Monitoring Centers: Lymphatic system absorbs/carries things too big to go into the arteries/veins like bacteria eaten by white cells and digested food. Lymph nodes "taste" the lymph for anything bad like bacteria/viruses/cancers, etc. When it detects a problem, it alerts the immune system and your body reacts. They enlarge in response to the inflammation they create when they react. They shrink when all is well.

Answered 11/13/2018

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