Symptom and Disease - Health Clarity

Introduction Swollen lymph nodes can feel alarming, especially when they suddenly appear in your neck, armpits, or groin. While they’re often harmless and a part of your body’s immune response, they can sometimes signal a more serious condition. This blog will explain what swollen lymph nodes are, why they occur, when to be concerned, and how to manage them. What Are Lymph Nodes? Lymph nodes are small, bean-shaped glands located throughout your body. They’re part of the lymphatic system, which plays a vital role in filtering harmful substances and fighting infections. Lymph nodes contain white blood cells that help your body attack and destroy bacteria and viruses. Why Do Lymph Nodes Swell? Swollen lymph nodes, also called lymphadenopathy, usually occur when your body is fighting an infection or inflammation. The swelling is often a response to: Bacterial infections (e.g., strep throat) Viral infections (e.g., cold, flu, mononucleosis) Fungal or parasitic infections Auto...