The anxiety levels are a bit higher as you can imagine being on a plane with a stoma
than without one. Never drink fizzy pop. I myself avoid tea and coffee too. I stick to water and
if I want to be super safe, take an Imodium.
Use the washrooms before you get on the plane and don't eat too much a few hours before the flight. Bananas, apples are great as snacks and kill the munchies for a few hours. If it's a long flight, then I relax more. You will have plenty of time on board to use the plane washrooms but avoid eating or drinking anything that will cause gas in the bag.
As for security, I have had my doctor write myself a short letter with their signature explaining
my condition with the Ostomy and also state in the short letter that any security searches should be done privately. I have handed the doctor's note to security before and it did help the situation. But if you explain to security, please be careful, I have a stoma. Most know what it is. Or at least will ask you to explain and be understanding.
Sell my City! Ottawa, great trails, Gatineau Park is awesome, Algonquin Park is better, but it's too cold in winter. I would head to the beach in Florida given half a chance.
Happy Hols