Well, you need to calm her stomach by not giving her anymore food tonight.
If she acts like she is hungry you can give her ice cubes to chew on if she likes them.
You can offer her small amounts of pedialyte to help her with dehydration. I would offer her about 1 cup at a time. You want to make sure she will keep it down before giving her more. Try once an hour for about 2-3 hours.
Since her stomach is in such distress from the vomiting, I would not recommend giving anything for the diarrhea right now. I would try to get her vomiting under control first.
In the morning, if she hasn't vomited, you can try feeding her a very bland diet of boiled chicken and rice. After that, continue to monitor her stools and if she is still having diarrhea, you can try 1-2 tablespoons of Pepto-Bismol about every 4 hours.
If none of this works, you will have to see a vet for a full exam to find the cause of her illness. She may just have an upset stomach from something she ate or she could have something more serious such as a foreign object in her stomach which may require surgery.
You may want to look around for anything she could have gotten into like plants or chemicals that could be toxic and will require an emergency vet visit tonight.
If you have more questions, please let me know.
Thank you
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