Appendicitis is an inflammation of the appendix. The appendix is a small, finger-shaped pouch attached to the colon on the lower right side of the abdomen. Appendicitis commonly causes pain in the lower right abdomen. In many people, the pain starts near the belly button and then moves to the lower right side. As the inflammation worsens, the pain usually …

An aortic aneurysm is an abnormal bulge or weakening in the wall of the aorta, the largest artery in the body. The aorta carries oxygen-rich blood from the heart to the rest of the body. When part of the aortic wall becomes weak, it can balloon outward and form an aneurysm. Aortic aneurysms can occur anywhere along the aorta. The …

Coarctation of the aorta is a congenital heart defect in which a section of the aorta, the main artery that carries blood from the heart to the body, is abnormally narrowed. This narrowing restricts blood flow to the lower part of the body and increases pressure in the upper body, forcing the heart to work harder to pump blood. The …

An aortic dissection is a life-threatening medical emergency that occurs when a tear develops in the inner layer of the aorta, the main artery that carries blood from the heart to the rest of the body. Blood flows rapidly through this tear, causing the inner and middle layers of the aortic wall to separate. This process is known as dissection. …

Aortic valve disease is a form of heart valve disease in which the valve between the lower left chamber of the heart, called the left ventricle, and the body’s main artery, called the aorta, does not function properly. The aortic valve plays a key role in keeping blood flowing in the correct direction from the heart to the rest of …

Aortic valve disease is a form of heart valve disease in which the valve between the lower left chamber of the heart, called the left ventricle, and the body’s main artery, called the aorta, does not function properly. The aortic valve plays a key role in keeping blood flowing in the correct direction from the heart to the rest of …

Aortic valve stenosis is a type of heart valve disease, also known as valvular heart disease. The aortic valve is located between the lower left chamber of the heart, called the left ventricle, and the body’s main artery, known as the aorta. In aortic valve stenosis, this valve becomes narrowed and does not open fully. As a result, blood flow …

Anal cancer is a type of cancer that begins in the anal canal. The anal canal is a short tube located at the end of the rectum through which stool leaves the body. Cancer develops when abnormal cells grow uncontrollably in this area. Anal cancer may cause symptoms such as rectal bleeding, blood in the stool or pain around the …

Hives and Angioedema are related skin conditions that cause swelling and discomfort due to an allergic or immune system reaction. Hives, also known as urticaria, appear as raised, itchy welts on the surface of the skin. Angioedema involves deeper swelling beneath the skin, often affecting the face, lips, eyelids, hands, feet, or throat. These conditions can occur together or separately. …

Social anxiety disorder is a mental health condition characterized by an intense and persistent fear of social situations where a person may be judged, embarrassed, or scrutinized by others. This fear goes beyond normal shyness and can significantly interfere with daily activities, work, school, and relationships. The condition often begins in adolescence and may continue into adulthood if not addressed. …