McDonald's Mushroom & Swiss Chicken Sandwichs contain between 580-740 calories, depending on your choice of option. The option with the fewest calories is the Grilled Mushroom & Swiss Chicken Sandwich (580 calories), while the Buttermilk Crispy Mushroom & Swiss Chicken Sandwich contains the most calories (740 calories).
Choose from the options below to see the full nutrition facts, ingredients and allergen information.
