What are the reason for swollen lymph nodes?

Exam needed. A medical history, physical examination and appropriate tests will be needed to help determine the cause of swollen lymph nodes. Among the many possible causes are inflammation, infection, and cancers.

Related Questions

What could be other reason for swollen lymph nodes in arms, other than hiv, flu or being hurt. Please advise?

Many. Enlarged lymph nodes often indicate an immune response to a foreign invaders (viral, bacteria etc) and are not specific for any disease. If persistent, they may indicate the presence of leukemia or lymphoma as well.

What are other reasons for a swollen lymph node in neck near jugular vein other than lymphoma? 24 y/o male not sick, no fever. Prolactinoma history.

Most common. Is infection, such as dental abscess, strep throat or viral pharyngitis, gingivitis, other problems like sinus or mastoid infections. Note I do not list lymphoma. Maybe see your dentist first and get that evaluated.

Why do all my docs say my swollen lymph nodes are fine just bc their not growing. There still has to be a reason their swollen right? They won't test

Swollen glands. The real reason not to test is because the only good test is a needle aspiration or surgical excision, and no md wants to do that if it's not absolutely necessary. There are no specific blood tests for the causes of enlargement of lymph nodes, which is a very common symptom, usually just reflecting exposure to multiple, mostly viral infections of head, neck, and respiratory passages.
Monitoring System. The lymphatic system absorbs and carries things too big to go into the arteries and veins like bacteria eaten by white cells and digested food. The lymph nodes "taste" the lymph to see if anything bad is there 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.