 [ Symptoms ] is there a safe dosage of benadryl i can give my 5 month old baby who is battling a very congested nose [ Disease ] i would ask you some questions before confirming a diagnosis what is the color of blood bright red or dark maroon do you have any bowel habits changed constipation or diarrhea do you have recently changed food habits did you eat any spicy food or food from unguaranteed hygiene source i am expecting meckel is diverticulum or ulcerative colitis a gastroentrologist can diagnose it with history taking and colonoscopy