CT scan & diagnosed with diverticulitis, is it safe to have colonoscopy

CT scan & diagnosed with diverticulitis abscess 1.5cm on 11-1-17. Took antibiotics 10 additional days second CT Scan 11-20-17 shows no abscess but diverticulitis with inflammation. If pain is mostly gone, is it safe to have colonoscopy December 13? Can I take mesalamine 800mg, or entocort ec to get rid of inflammation completely, or should i take more antibiotics?

Re: Colonoscopy

Medications: none now, only herbals