Start with small sips of water or sucking on pieces of ice. Once you can tolerate that, you can start consuming clear liquids, such as:
* Apple juice (diluted)
* Clear broth (cooled down)
* Flat soda
* Flavored ice
* Jell-O
* Lemonade (diluted)
* Mint tea with honey
* Popsicles
* Sports drinks
* Water