and acidity can cause repeated vomitings. But the drugs that you have mentioned none of them is an antacid. She needs to be put on a combination of pantoprazole
for about 10 days to assess response.and strict diet regulatiom absolutely no spices and minimal oil, no tea/coffee/alcohol/smoking , she needs to eat more frequently idea is not let her be empty stomach for long time.
If still vomiting persists or happens again than she needs an endoscopy
Wishing her a speedy recovery.