I Got A Flu Shot On Tuesday By Thursday My

I got a flu shot on Tuesday by Thursday my arm became swollen3 times it normal size. and heat was radiating out of my arm and hurting. I called my primary Dr and he never called me back.so I called a nurce line and she told me to go to the hospital so I did they told me it was cellulitis and put me on 3 steroids and gave me a Benadryl.also gave me a script of clindamycin and told me to get Benadryl cream.