Hello I share your concern You need to address the underlying cause for this symptoms which could be any of these Food poisoning gastroenteritis Food allergy Acid peptic disease Motion sickness Meanwhile you can take loperamide group of drugs Anti acidity medicines like pantoprazole or omeprazole after consulting your doctor Have lots of fluids including ORS to counter dehydration and electrolytic imbalances. If you can provide me more related information like your age and complete medical history so that I will be able to tell you more precisely waiting for your reply Best wishes