Impetigo is an infection that develops due to group A streptococcus and may cause lymph nodes in the armpits and groin to swell.Ī person can contract impetigo when the bacteria enter the body through a break in the skin. People may contract strep throat if they come into contact with droplets containing the strep bacteria.Ī person with strep throat may experience swollen lymph nodes on the neck, a sore throat, a fever, and red spots on the roof of the mouth.ĭoctors treat strep throat with antibiotics. Strep throat is a bacterial infection that develops in the throat and tonsils due to group A streptococcus. However, a person can take over-the-counter pain relievers to alleviate pain they may experience when swallowing.
These infections usually resolve on their own. Viral throat infections, such as colds, can present with swollen lymph nodes, a runny nose, and pinkeye. Swollen lymph nodes in the neck may be due to a viral or bacterial throat infection, such as strep throat. Learn more about swollen lymph nodes in the neck here. A doctor will help a person choose the most suitable treatment based on these factors. The type of treatment necessary will depend on a variety of factors, such as the severity of the disease and a person’s underlying conditions and allergies. The condition usually results from an infection elsewhere in the body. If the infection occurs in several node clusters, a doctor will likely diagnose generalized lymphadenitis. This means the condition only affects a few nodes. The most common type of lymphadenitis is localized lymphadenitis. If multiple clusters of nodes become infected, a person may feel pain and swelling in both their neck and groin. When this happens, lymph nodes swell and are painful to the touch. Lymphadenitis occurs when bacteria, viruses, or fungi in the lymph infect lymph nodes. Below, we list some of many conditions that can cause lymph node swelling. Switching medications or adjusting doses may be enough to reduce side effects like lymph node enlargement.Swollen lymph nodes do not always indicate cancer.
Breast cancer, for example, can cause swelling of the lymph nodes in the armpit.Īn enlarged lymph node near a cancerous tumor is often suspected of also being cancerous. Leukemia, a cancer of the blood cells, can cause inflammation and swelling of the lymph nodes.Ĭancers that form in other organs or tissue may spread to the lymphatic system. Lymphoma actually originates in the lymph glands. CancerĬertain types of cancer directly involve the lymphatic system. Treatments vary, depending on the cause, but anti-inflammatory medications, pain relievers, and in serious cases, immunosuppressant drugs may be necessary. Immune system disorderįlare-ups of autoimmune disorders, like lupus and rheumatoid arthritis, can cause temporary enlargement of the lymph nodes in an armpit. Antibiotics and rest are usually enough to overcome a bacterial infection.
Some common bacterial infections on the arm or surrounding chest wall, including staphylococcus and streptococcus, can lead to an enlarged lymph node in the armpit and elsewhere in the body. For certain viral infections, like HIV, antiviral medications may be necessary. In many cases, rest, fluids, and time are all that you can do while your immune system fights off the virus. These viruses may also cause lymph nodes in the neck to become enlarged, too. More serious viral infections that may cause lymph node enlargement include herpes, rubella, and HIV. The potential causes of a swollen lymph node in the armpit can include: Viral infectionĬommon viruses can trigger swelling in one or more lymph nodes in the armpit. When lymph nodes in the armpit become swollen, your body may be fighting a viral infection, or any of several other conditions. A swollen lymph node in the neck, for example, is often a sign of an upper respiratory infection. The location of swollen lymph nodes usually suggests the cause of the problem. What does having swollen lymph nodes mean?
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