3 months post op. Why is the skin under my nose tight? Can a columella be widened/protruding if it was thinned/retracted?

Cartilage grafts can shift even after secured during surgery. I suggest you see you Operating Surgeon for continued evaluation

In general, yes, a boxy and broader tip can be shaped in a revision rhinoplasty. This can be done with cartilage grafts. Generally, septal cartilage if available, is a good option for this procedure. Proportions between tip height and width as well as skin type play a role in the degree that...

A columellar strut that's too long can be removed or (better yet) shortened. In most cases, this can be done in the office under local anesthesia (injections of numbing medication) through a tiny incision and with minimal downtime.All the best,--DCPPearson Facial Plastic Surgery®

 In general it is preferred for the  two procedures to be done at the same time unless they are both long surgeries (revision rhinoplasty could be a particularly lengthy one). Otherwise if separating the two surgeries then three month is a reasonable interval for a healthy person with good c...

Columella deformity following an unsuccessful nasal surgery can be related to many factors, the main ones being mishandling/unfavorable healing of the columella cartilage or deformities of the bottom part of the septum which may distort it as its intimate anatomic neighbor. Such conditions are...