Might be a simple case of colitis or in other words intestinal infection. If its just that with no fever and other constitutional symptoms you should be fine soon with the following treatment. Take Satrogyl O tablets twice daily for 5 days and Sumo Spas tablets twice daily as well.
Next Steps
Avoid anything fried and spicy and consume a bland diet for a few days.
Health Tips
If the symptoms persist you probably need to have a stool examination and get an appointment with your preferred doctor nearby.