Here is my basic list of supplies post-op surgery that I have pulled together from different folks:
Thermometer
Oxygen pulse oximeter
Pain meds
Amit nausea meds and alcohol swabs/pads
Gasx
Puffer for acid reflux
Protein shake
Protein water - find measuring cups for 2oz
Miralax with water premixed
Patch aids - multivitamins with iron, biotin, vitamin D3, b12+
Throat lozenges
Gastric sleeve notebook logging amount of drinking
Nioxin shampoo or tail and mane shampoo with horse on front
Dissolvable Tylenol