Lots of vitamin C! Avoid spicy food.
• Cold soup the first day, gazpacho, cucumber with yogurt and dill
More cold soups: http://www.nytimes.com/interactive/2012/06/03/magazine/cold-soups.html?_r=0
• Carrot soup with ginger or with coriander or with lentils
• Pureed butternut squash
• Overcooked noodles
• Rice congee with fish
• Tofu + soy sauce and sesame oil
Sweets:
• Smoothies: milk + chocolate ice-cream + banana in a blender
• Lots of yogurt
• Rice pudding with vanilla
• Custard with caramel
• I read that pineapple juice has an enzyme that can reduce swelling
Hope you will be doing fine!