Rock Hard Swelling After Rhinoplasty?

I had a rhinoplasty done 11 days ago. I had a hump removed and my tip corrected (droopy tip) the first couple days after my cast came off, the swelling was soft and numb when i felt it. However I woke up 2 days ago with my nose being super stiff. When I felt the tip and columella, the swelling was now ROCK hard. Should I be concerned? In the days that my swelling was soft, my tip came down a lot and my nose started looking a lot better. But since the swelling became hard, nothing has changed.