Hello i have noted your concern,
The symptoms which you have mentioned, looks like you are suffering from acute gastroenteritis which means food poisoning,
You need proper antibiotic course, probiotics with good hydration and other supportive treatment.
Next Steps
Kindly consult for proper treatment and management.
Health Tips
You need completely avoid outside food,
Eat homemade food, take soups, coconut water, ORS, juices and plenty of water to prevent dehydration
Take sabudana khichdi or sabudana soup.
Do not eat spicy food, deep fried food, junk food and outside food.