If the blood has been drawn from a vein, your skin surface area can be cleaned with antiseptic, and an rubber band is positioned around the higher arm to use pressure and trigger the veins to swell with bloodstream. A needle is certainly inserted right into a vein and bloodstream is withdrawn and gathered in a vial or syringe. Following the procedure, the rubber band is removed. After the bloodstream has been collected, the needle is taken out and the region is covered with natural cotton or a bandage to avoid the bleeding. Collecting the bloodstream for the test is only going to take a short while. BackContinueWhat to Expect Either technique of collecting an example of blood is temporarily uncomfortable and may feel like an instant pinprick.Initial treatments for anal fissures that are often very successful are made to make the stool softer, easier to move, and stop constipation. Drinking more liquids and eating a high fiber diet could be supplemented by stool softeners and bulking agents. Occasionally laxatives may be used to help promote a bowel motion but their long-term use is not always appropriate. The second approach to treatment involves reducing the rectal sphincter spasm. Often all that is required are regular Sitz baths, seated in a warm tub of drinking water that allows the muscle mass to relax. Ointments can be found and may be prescribed to help lower sphincter spasm if basic treatments fail.