When people have heart problems such as defective valves that require replacement, they become more at risk for the formation of blood clots. These clots can block blood flow, causing a variety of problems, including the potential for a stroke. The brand-name drug Persantine, named generically dipyridamole, may function to help prevent such clotting, the Mayo Clinic states. Physicians typically only prescribe the use of intravenous Persantine when a person's condition puts him at high risk of blood clots, the organization reports.
Flushing
During the initial phase of using Persantine, the patient may find she experiences sudden flashes of heat in her body, particularly the upper torso, arms and face. He skin may become suddenly warm and it may turn red. She may suddenly sweat, even without a hot environment. Flushing, also called hot flashes, may occur primarily within the first several days of Persantine treatment. Drugs.com reports this side effect classifies as non-serious and common. The person may need medical attention if flushing does not end or occurs as a severe condition.
Diarrhea and Vomiting
Persantine injections may cause some digestive difficulties in the intestines or the stomach of the patient. He may have sudden abdominal cramping that accompanies a sudden urge to defecate. Diarrhea only typically occurs for two or three days following the first injection of Persantine, Drugs.com indicates. Vomiting also may occur because the person's stomach may be upset and nauseated as a result of the disruption of the body system by the medication. Unpleasant as vomiting feels, Drugs.com states it will be a temporary side effect classified as common and non-serious for most people.
Dizziness
Problems may develop briefly with the patient's equilibrium because of Persantine injections. Dizziness occurs because the patient's brain gets incorrect signals about the relational position of her head and her body to the surroundings. This can cause a sensation of whirling and constant motion that may lead to vomiting or, potentially, injury from falls. Dizziness should not last beyond a few days, Drugs.com states.
Pain
Mild pain also may occur because of the introduction of Persantine into the patient's body. This pain may happen as headaches, or it may occur as pain in the stomach. Neither classify as serious problems unless they persist, Drugs.com states.
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