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    Erectile Dysfunction: Glossary of Terms

    Alprostadil: A type of drug called a vasodilator. These drugs can increase blood flow by expanding blood vessels.

    Antiarrhythmics: Medications used to treat abnormal rhythms of the heart.

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    Antibiotics: Any of a class of medicines that kill infection-causing bacteria.

    Antidepressants: Medications used to treat depression and other related conditions.

    Antihistamines: Medications used to treat allergic reactions or allergies.

    Antihypertensives: Medications used to treat high blood pressure.

    Anti-inflammatory drugs: Drugs that reduce inflammation (swelling) by modifying the body's immune response.

    Anxiety: A feeling of apprehension, often characterized by feelings of stress.

    Arteriography: A test given to patients who are candidates for vascular reconstructive surgery. A dye is injected into the artery believed to be damaged so that the artery can be viewed by X-ray.

    Atherosclerosis: Also called hardening of the arteries, it is a process in which the walls of the arteries become thickened and hardened, usually due to a buildup of fat deposits.

    Avanafil (Stendra): A medication used to treat erectile dysfunction that works by increasing the flow of blood into the penis.

    Bladder: The sac that holds urine.

    Bloody ejaculation: See Hematospermia.

    Cancer: A disease that occurs when abnormal cells in a part of the body divide and grow uncontrolled.

    Cavernosography: A test used in conjunction with the dynamic infusion cavernosometry (see below) that involves a dye being injected into the penis. The penis is then X-rayed and doctors are able to visualize a venous leak (see below).

    Chemotherapy: In cancer treatment, chemotherapy refers to the use of drugs whose main effect is either to kill or slow the growth of rapidly multiplying cells. Chemotherapy usually includes a combination of drugs.

    Cialis: A medication used to treat erectile dysfunction that works by increasing the flow of blood into the penis.

    Clinical trial: An organized research program conducted with patients to evaluate a new medical treatment, drug or device.

    Complete blood count (CBC): A group of blood tests including hemoglobin concentration, red blood cell count and white blood cell count.

    Corpora cavernosa: Two chambers in the penis that run the length of the organ and are filled with spongy tissue. These chambers fill with blood to cause an erection.

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