Understanding this often-overlooked symptom could help millions of allergy sufferers recognize when their body is sending important signals about their immune response. When most people think of ...

People have lymph nodes, commonly called lymph glands, throughout their bodies. Swollen lymph nodes can be a side effect of COVID-19 vaccination or a symptom of the illness. Share on Pinterest Smith ...

John Carew, MD, is an otolaryngologist and adjunct assistant professor at the Mount Sinai Medical Center department of otolaryngology and NYU Medical Center. Colds, the flu, sinus infections, and ...

The lymph nodes in your neck and other parts of your body can be swollen for years, but this does not always mean it is a sign of cancer. You might have a common cold, throat infection, or another ...

Swollen supraclavicular lymph nodes may occur as a reaction to infection or due to metastatic cancer. This type of swelling typically occurs just above a person’s collarbone. Lymph nodes are part of ...

Respiratory illness season is here, and with it typically comes snotty, stuffy noses. Earlier this fall a Food and Drug Administration panel concluded that oral phenylephrine—a common active ...