swollen supraclavicular lymph node after flu shot

We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. They should seek medical care immediately if abdominal pain, chest pain, or other symptoms also develop. If a child complains of neck pain, a parent or caregiver should monitor their condition closely. MIS-C can develop several weeks after COVID-19 exposure and progress rapidly, requiring critical care. MIS-C is a rare but serious condition that can develop in children exposed to COVID-19. Swollen lymph nodes on the neck are also one of the symptoms associated with multi-system inflammatory syndrome in children (MIS-C). The swelling usually indicates a common infection, such as a cold or flu, but can also be a sign of other conditions.Ī 2022 study documents cases where people who had swollen lymph nodes in the neck and behind the ear but did not have any respiratory symptoms received a diagnosis of COVID-19. Swollen lymph nodes may occur in anyone with a post nasal drip, which is an excess of mucus down the back of the throat. Some medical professionals recommend that people schedule mammograms for at least 1 month after they receive their mRNA vaccines, if possible. However, they may still appear on mammograms, looking similar to warning signs of breast cancer, for up to 1 month after vaccination. Typically, a person may only be able to feel their swollen lymph nodes for about 10 days after vaccination. Researchers demonstrated that swollen lymph nodes were more frequent in people who had received the Moderna vaccine than those who had the Pfizer vaccine.

In a recent study, 44% of participants experienced it, with the condition lasting for up to 43 weeks after COVID-19 vaccination. The Pfizer and Moderna vaccines are both mRNA versions of COVID-19 vaccines that are widely available in the United States.ĭeveloping swollen lymph nodes after receiving an mRNA vaccination is fairly common and may signal an immune response to the vaccine. As a vaccine side effectĭeveloping swollen lymph nodes in the armpits is a documented side effect of receiving two doses of a messenger RNA (mRNA) vaccine for COVID-19. Researchers have established a link between swollen lymph nodes and COVID-19, both as a side effect of vaccination and a symptom of the condition.

Swollen supraclavicular lymph node after flu shot