You are still early in your recovery period and the nose is expected to be quite swollen at this point.The swelling during this time is rarely symmetric. One side will always resolve more quickly than the other. The majority of the swelling will resolve in 3-6 months, and will continue to ...
There is really nothing you can do to help the sutured area heal faster. I would not recommend covering the stitches unless you have some bleeding. Follow up with your surgeon for his recommendations.
Arian Mowlavi, MD, FACS (license on probation) says:
The good news for you is that we no longer need your own rib for complicated rhinoplasties. Instead, we use an organ donated rib graft that acts safely as your rib cartilage. This means no delay in recovery. Please see examples of patients below who have used donated rib graft.