I'm sorry to hear you're experiencing diarrhea with watery stools, vomiting, and a fever. These symptoms suggest an infection that may require medical attention.

Here are some important steps you can take immediately:

• Stay Hydrated: Drink plenty of fluids such as oral rehydration solutions (ORS), coconut water, or clear soups to prevent dehydration.
• Rest: Give your body time to recover by resting as much as possible.
• Avoid Certain Foods: Stay away from spicy, oily, or heavy foods until symptoms improve.
• Monitor Symptoms: Keep track of your fever and any worsening symptoms like blood in stools, severe abdominal pain, or persistent vomiting.

Since your symptoms include fever and vomiting along with diarrhea, it is important to consult a gastroenterologist or a physician promptly. They may prescribe medications such as antibiotics if a bacterial infection is suspected, but these should only be taken under medical supervision.

If you experience severe dehydration signs (dizziness, very little urine, rapid heartbeat), high fever persisting beyond 2 days, or blood in stools, seek emergency care immediately.

Please contact a doctor soon to get a proper evaluation and treatment plan tailored to your condition.To narrow down potential causes, we will need some more information.Please tell me your age and gender.