Swollen lymph nodes are often a sign that your body is fighting an infection. Autoimmune diseases can also cause lymph nodes ...

While swollen lymph nodes are a common symptom of an allergy flare-up, they’re also associated with many other conditions. Swollen lymph nodes are a common immune system response. They’re most often ...

Allergies occur when your immune system overreacts to allergens like pet dander, pollen, mold, certain foods, or medications. Allergy symptoms may include a runny nose, congestion, coughing, wheezing, ...

A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped clusters of immune cells in your neck, armpit, or groin puffs up, it’s typically an indication ...

Follicular lymphoma is a slow-growing non-Hodgkin’s lymphoma that often causes no early symptoms. Swollen lymph nodes in the neck, armpits, groin, or thighs are usually the first sign. Symptoms can ...