{"id":52601,"date":"2025-04-25T22:03:25","date_gmt":"2025-04-26T02:03:25","guid":{"rendered":"https:\/\/www.hancockhealth.org\/mayo-health-library\/covid-19-vaccine-should-i-reschedule-my-mammogram\/"},"modified":"2026-02-04T12:06:38","modified_gmt":"2026-02-04T17:06:38","slug":"covid-19-vaccine-should-i-reschedule-my-mammogram","status":"publish","type":"mayo","link":"https:\/\/hancockhealth.apgar.digital\/fr\/mayo-health-library\/covid-19-vaccine-should-i-reschedule-my-mammogram\/","title":{"rendered":"COVID-19 vaccine: Should I reschedule my mammogram?"},"content":{"rendered":"
\n

Not necessarily. There’s concern that side effects from the vaccine to prevent coronavirus disease 2019 (COVID-19) could be mistaken for breast cancer on a mammogram. But that doesn’t mean you should cancel your mammogram if you’ve received your vaccine. Instead, contact the facility where your mammogram is scheduled to ask for guidance.<\/p>\n

The vaccine that prevents COVID 19<\/abbr> can cause swollen lymph nodes under the arm in which the shot was given. Your lymph nodes are part of your body’s germ-fighting immune system. The swelling in the lymph nodes is a sign that your body is responding to the vaccine and building up defenses against the virus that causes COVID 19<\/abbr>.<\/p>\n

Breast cancer also can cause swelling in the armpit if cancer cells spread to the lymph nodes.<\/p>\n

Some doctors are concerned that having a mammogram soon after vaccination may cause unnecessary worry about swollen lymph nodes. For that reason, some have recommended waiting four to six weeks after your final vaccine dose before having a mammogram. That way, any lymph node swelling caused by the vaccine has time to go away.<\/p>\n

Others, including Mayo Clinic, recommend that mammograms continue as scheduled. But be sure to tell your doctor about your vaccination, the date it occurred and which arm was affected. This information will be helpful for understanding the mammogram images.<\/p>\n

If lymph node swelling is found on your mammogram and you’ve recently received the COVID 19<\/abbr> vaccine, the doctor who interprets your mammogram images (radiologist) will consider this when recommending whether additional imaging or follow-up is needed.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Swollen lymph nodes caused by the COVID-19 vaccine can look like breast cancer on a mammogram. 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