Call your doctor at once if you have: 1  pain, burning, irritation, or skin changes where the injection was given; 2  heart problems--chest pain, fast or pounding heartbeats, shortness of breath (even with mild exertion), swelling, rapid weight gain;
Seeing blood in the toilet, on the outside of your stool, or with wiping after a bowel movement is common. Fortunately, most of the causes of such rectal bleeding are not life-threatening; common causes include hemorrhoids and anal fissures.right red blood typically coats the stool or blood may drip into the toilet or stain toilet paper. (See Patient information: Hemorrhoids (Beyond the Basics) .). Anal fissure â An anal fissure is a tear in the lining of the anus, the opening where feces are excreted.
Medicine and Healthcare. Black stools can be due to iron supplements or excess iron in the diet. The most serious cause of black stools is bleeding in the GI tract, due to ulcers or some other cause. If the stool is black due to blood, it usually has a tarry feel. If there is just a black color, most likely it is not blood.