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Axillary Lymphadenopathy:  An Overview   

What to Know about Axillary Lymphadenopathy and the Covid-19 Vaccine

Axillary lymphadenopathy is sometimes as a result of a side effect of certain vaccines. It was previously a common symptom seen after smallpox vaccinations. Now, with the recent COVID-19 [4] vaccines on the market, there have been reports of people getting axillary lymphadenopathy as a side effect.

Swollen axillary lymph nodes are most commonly seen in two-dose mRNA COVID-19 vaccines. [5] However, in cases where it appears as a side effect, they are considered temporary in most people.

For proper diagnosis, it is important that you inform your doctor if you have recently been given the COVID-19 vaccine in case axillary lymphadenopathy presents itself in your results. You should also see your doctor if you’re concerned about any changes in your underarm lymph nodes following any vaccine.