I have constipation for several days then when i start passing stool i need to go at least 3 times day.stool becomes also muddy.is this ibs?

Sounds like pure constipation. IBS- constipation type is always possible, but such a diagnosis will require workup. Try to increase physical activities, maintain good hydration, talk to your doc at your regular visit if symptoms persist.

You may take a fiber laxative like Metamucil and drink enough water daily so that your urine is colorless. For the long term you may try to increase your intake of fiber foods. Consult this site for fiber foods. http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/high-fiber-foods/art-20050948 Wish you good health!