Reaction to Botox. What could this be?

The first week of February I had Botox for migraines. The injections go in the back of my head, at the hairline of my forehead and just above my nose in between my eyes. About 3 days after I woke myself up trying to get a full breath through my nose. This happened 2 nights in a row. The next day I woke up with a swollen nose and cheeks. The major swelling went down but I still having swelling in my nasal lining and inner eyes. I can feel fluid when I press on the sides of my nose or eyes.