![]() ![]() This triggers an immune response, which increases the production of white blood cells to fight the protein. ![]() The body recognizes the protein as a foreign substance. The vaccine contains pieces of mRNA, which make the body produce spike protein, a molecule that’s specific to SARS-CoV-2. This side effect is a natural response to the vaccine. The reaction is also commonly associated with Moderna vaccine, though it can happen with the Pfizer vaccine, too. The swollen lymph nodes typically appear 2 to 4 days after getting the vaccine. Local reactions are limited to a specific body part. A 2021 case report describes 20 people who developed swollen glands on their collarbone after the first or second dose.Īlso, according to a Food and Drug Administration (FDA) document, lymph node swelling in the armpit was the second most common local reaction. In a 2021 article, 4 out of 80 people developed a swollen lymph node in the neck after receiving the first dose of the vaccine. It also develops near the arm that you received the vaccine. Typically, it occurs in the neck or armpit region. It’s possible to develop swollen lymph nodes after getting a COVID-19 vaccine. If necessary, the doctor may remove the entire lymph node.Swollen lymph nodes after getting a COVID-19 vaccine The cells are then sent to a laboratory where they’re tested for major diseases, such as cancer. This is a minimally invasive test that consists of using thin, needle-like tools to remove a sample of cells from the lymph node. In this case, the doctor may order a lymph node biopsy. ![]() In certain cases, even further testing may be needed following the MRI. If the above tests suggest the need for further evaluation, the doctor may order an MRI. Common imaging tests used to check lymph nodes include: If necessary, the doctor may order an imaging test to further evaluate the lymph node or other areas of your body that may have caused the lymph node to swell. This consists of checking the size of your lymph nodes and feeling them to see if they’re tender.Īfter the physical examination, blood tests may be ordered to check for certain diseases. Since certain diseases or medications can cause swollen lymph nodes, giving your medical history helps them find a diagnosis.Īfter you discuss the symptoms with the doctor, they’ll perform a physical examination. ![]() The doctor will also ask you about your medical history. This information is vital in helping them determine the cause of your symptoms. If you’ve recently become ill or had an injury, let a doctor know. Sézary syndrome, a rare type of lymphoma.some medications, such as antiseizure and antimalarial drugs.Other causes of swollen lymph nodes include, but aren’t limited to: Lymphoma, which is a cancer of the lymphatic system, also causes the lymph nodes to swell. When cancer from one area spreads to the lymph nodes, survival rate decreases. Immune system disorders that cause the lymph nodes to swell include lupus and rheumatoid arthritis.Īny cancers that spread in the body can cause the lymph nodes to swell. Serious conditions, such as immune system disorders or cancers, can cause lymph nodes throughout the body to swell. Sexually transmitted infections (STIs) such as syphilis or gonorrhea can bring about lymph node swelling in the groin area. tooth infection, included an abscessed tooth.Swollen lymph nodes in the head and neck may also be caused by infections such as: For example, the lymph nodes in the neck can become swollen in response to an upper respiratory infection, such as the common cold. Lymph nodes swell when an infection occurs in the area where they’re located. Swollen lymph nodes are one sign that your lymphatic system is working to rid your body of infection and illness. ![]()
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