Hi, If you are experiencing red blood in your stool along with cramping, it is important to seek medical attention as soon as possible, as this could be a sign of a serious condition. The red color in your stool may indicate that there is bleeding somewhere in your digestive tract, which could be due to a variety of factors such as hemorrhoids, inflammatory bowel disease, infection, or a gastrointestinal bleed. If you are feeling faint or lightheaded, it may be related to the bleeding, low blood pressure, or dehydration. It is recommended that you schedule an appointment with your healthcare provider or go to the emergency room right away for further evaluation and treatment. In the meantime, try to stay hydrated by drinking plenty of fluids and avoid foods that may irritate your digestive tract such as spicy or greasy foods. Do not take any over-the-counter medication or laxatives without consulting with your healthcare provider, as this may worsen the bleeding. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Diwashish Biswas, Internal Medicine Specialist