![]() ![]() An abscess may require drainage and antibiotic treatment. Pus contains fluid, white blood cells, dead tissue, and bacteria or other invaders. Abscesses are localized collections of pus caused by infections. If infection is the cause of your swollen lymph nodes and isn't treated, an abscess may form. Other possible but rare causes include certain medications, such as the anti-seizure medication phenytoin (Dilantin) and preventive medications for malaria. Other cancers that have spread (metastasized) to lymph nodes.Leukemia - cancer of your body's blood-forming tissue, including your bone marrow and lymphatic system.Lymphoma - cancer that originates in your lymphatic system.Rheumatoid arthritis - a chronic inflammatory disease targeting the tissue that lines your joints (synovium).Lupus - a chronic inflammatory disease that targets your joints, skin, kidneys, blood cells, heart and lungs.Cat scratch fever - a bacterial infection from a cat scratch or bite.Toxoplasmosis - a parasitic infection resulting from contact with the feces of an infected cat or eating undercooked meat.Certain sexually transmitted infections, such as syphilis.Human immunodeficiency virus (HIV) - the virus that causes AIDS.Skin or wound infections, such as cellulitis.Other possible causes of swollen lymph nodes include: Common infections The most common cause of swollen lymph nodes is an infection, particularly a viral infection, such as the common cold. The site of the swollen lymph nodes may help identify the underlying cause. You may be more likely to notice swelling in certain areas, such as in the lymph nodes in your neck, under your chin, in your armpits and in your groin. Lymph nodes are located in groups, and each group drains a specific area of your body. These specialized cells filter your lymphatic fluid as it travels through your body and protect you by destroying invaders. Inside lymph nodes are a combination of different types of immune system cells. Lymph nodes are small, round or bean-shaped clusters of cells. Seek immediate medical care if you're having difficulty swallowing or breathing. Are accompanied by persistent fever, night sweats or unexplained weight loss.Feel hard or rubbery, or don't move when you push on them.Continue to enlarge or have been present for two to four weeks.See your doctor if you're concerned or if your swollen lymph nodes: Some swollen lymph nodes return to normal when the underlying condition, such as a minor infection, gets better. Hard, fixed, rapidly growing nodes, indicating a possible cancer or lymphoma.When this occurs, it may indicate an infection, such as HIV or mononucleosis, or an immune system disorder, such as lupus or rheumatoid arthritis General swelling of lymph nodes throughout your body.Runny nose, sore throat, fever and other indications of an upper respiratory infection.A neck lump or nodule can also be caused by a cyst, lipoma, boil, or goiter. When this happens, the lymph nodes can swell. Swelling that may be the size of a pea or kidney bean, or even larger in the lymph nodesÄepending on the cause of your swollen lymph nodes, other signs and symptoms you might have include: Most often, a neck lump is due to a swollen lymph node a tiny cluster of cells that help the immune system fight off invaders, such as viruses.When your lymph nodes first swell, you might notice: Swollen lymph nodes are a sign that something is wrong somewhere in your body. These lymph nodes are located in the head and neck, including under the jaw and chin. Lymph nodes that frequently swell are in this area, as well as in your armpits and groin area. Many lymph nodes are located in your head and neck region. ![]() You may then develop swollen lymph glands in various parts of the body such as the neck, armpit and groins.Your lymphatic system is a network of organs, vessels and lymph nodes situated throughout your body. Viral infections such as flu (influenza), chickenpox or glandular fever (infectious mononucleosis) affect the whole body.Infections of the leg or genitals, or nappy rash, may cause lymph glands in the groin to swell.Skin infections of the arm may cause lymph glands in the armpit to swell.Scalp skin conditions or even head lice may cause the lymph glands at the back of the head to swell.Throat infections, tonsillitis, the common cold and tooth-related infections may cause lymph glands in the neck to swell.Examples of infections include the following: It can take a week or so for them gradually to go back to normal after the infection. The lymph glands usually go back to their normal pea size when the infection is over. The lymph glands near to an infection swell quickly and become tender as the immune system 'fights off' infecting germs (bacteria, viruses, etc). ![]()
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