pets.webmd.com/cats/guide/cat-vomiting-causes-and-treatments
When the stomach responds promptly, the foreign material is expelled. Afterward, an important initial step is to rest the stomach by withholding food and water for a minimum of 12 hours. If your cat appears thirsty, allow him to lick ice cubes.
After 12 hours, if the vomiting stops, offer sips of water. A pediatric electrolyte solution can be given in small amounts, in addition to the water.
為了符合中國胃的習慣,也許可以給一點點溫水,