Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

I had night sweats, weight gain, swelling of my face, rapid heartbeat, insatiable hunger, and trouble catching my breath.

Get emergency medical help if you have any of these signs of an allergic reaction: nausea, vomiting, sweating, hives, itching, trouble breathing, swelling of your face, lips, tongue, or throat, or feeling like you might pass out.

Get emergency medical help if you have any of these signs of an allergic reaction (which may occur up to 17 days after you receive the shot): hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

If swelling of your face and hands does not go away during the day, this may be a sign of preeclampsia.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; chest tightness, wheezing, feeling like you might pass out; swelling of your face, lips, tongue, or throat.