Lymph nodes are located throughout the body. They are small, bean-shaped glands that play a crucial role in the immune system. During an infection, a person may notice swollen lymph nodes. The body ...

Swollen lymph nodes in the armpit may indicate an infection, injury, or disease that requires medical attention. However, it’s usually not a sign of cancer. Lymph nodes are critical parts of the ...

The last time you visited your doctor for a sore throat, they may have felt for potential inflammation in your neck. That’s because infections often cause swollen lymph nodes (medically known as ...

COVID-19 is a respiratory disease caused by the virus SARS-CoV-2. It commonly causes coughing, fever, and difficulty breathing, but the symptoms can vary widely. Sometimes, COVID-19 may also cause ...

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, ...