Horner's syndrome is common following a bulla osteotomy. Your veterinarian will likely have prepared you for this eventuality. No treatment is normally required and the problem usually resolves on its own. This may take a few days to weeks.
Facial paralysis is another possible complication following bulla surgery. In this case your cat may not blink on the affected side. This may necessitate placing drops or oil based lubricant in the eye several times a day to prevent dryness. This problem is again usually transient and will clear up in a few days to weeks.
Oral antibiotics should continue for a few weeks when your cat goes home and this may take the form of pills or drops, whichever is easiest. If culture results suggest that the antibiotic is inappropriate, your veterinarian will change the prescription.
Most cats are discharged with an Elizabethan collar to prevent them from scratching at the surgical site. This is especially important if there is a drain in place. The drain is often a piece of soft rubber tubing that passes through a hole in the skin adjacent to the incision. This area must be kept clean for a few days while discharge and fluid exits the surgical site. It can be helpful to take a cotton ball soaked in a little warm water to wipe the area around the drain clean, twice a day. The drain is usually removed within a few days following the surgery and this will be performed by your vet.
The incision should be examined daily for swelling redness or discharge. Stitches or staples must be removed in 10 to 14 days, at which point the Elizabethan collar can also be removed.