 [ Symptoms ] very strong urge to poop but poop is stuck and will not come out at all what should i do help asap 19 year old 2 days ago i was perfectly fine yesterday i first had a bit of fiberous diarrhea followed by extreme sudden stomach pain primarily on left side got better with pepto bismol but then got constipated drank a lot of water and took fiber supplement which did not help only a little piece of poop came out today is the second day and poop is so hard and stuck i really want to poop but it hurt and felt like i gonna faint i drank sooo much water and fiber if i go 2 doc what will he do [ Disease ] i strongly suggest you return to your health care provider to make sure you have not developed a clostridium difficile infection as a result of your antibiotic therapy watery diarrhea that lingers for a month after taking antibiotics can be a sign of this infection which is highly contagious meanwhile be sure to maintain vigilance with handwashing antiseptic hand rubs are not effective the c diff infection you need to wash your hands frequently with plain soap and water then dry thoroughly this will help you avoid passing the infection to someone else if in fact you have it you also need to maintain your hydration be sure to drink plenty of plain water and have a sports drink when the diarrhea is particularly bad if you do have c diff your doctor can treat it with a different antibiotic i wish you all the best with this