Stop taking laxatives as they should be avoided if you are having pain abdomen.
Your symptoms could be due to colitis
which is infection of intestines or just hyperacidity
Just take light food and avoid spicy foods and alcohol.
Take some proton pump
inhibitor like PANTOPROZOLE 40 mg once a day empty stomach in morning.
You may take some OTC antispasmodic for your pain abdomen.
If you don't get all right in next 2 days then consult your doctor for the diagnosis and treatment.