My Nose Was Broken Pretty Bad, Had It Operated On

My nose was broken pretty bad, had it operated on to correct the break 10 days ago..I't's still very swollen and to top it off I caught a cold, so when I lay down it's very blocked my GP wrote out a script for otocomb to rub in my nasal passage, she also said i should take amoxycillin 875mg/calvulanic acid so i don;t get an infection due to the otocomb. I don't want to take the Curamduo forte as i was on penicillin few weeks back due to stitches in my nose and the Op