Diseases and Conditions

An abdominal aortic aneurysm is when a weak area in the aorta swells up like a balloon. It can cause…

Abnormal uterine bleeding is any heavy or unusual bleeding from the uterus (through your vagina). It can occur at any…

Abusive head trauma (shaken baby syndrome) is a form of child abuse that can be deadly or leave a baby…

An ACL injury is the overstretching or tearing of the anterior cruciate ligament in your knee. It is a common…

Acne is a common skin condition. It causes bumps on the skin known as pimples to appear on the face…

Acute bronchitis is a contagious viral infection that causes inflammation of the bronchial tubes (the airways that carry air into…

Addison’s disease is a condition that affects your body’s adrenal glands. It interferes with your body’s ability to produce certain…

Adhesive capsulitis, or frozen shoulder, is the condition that occurs when inflammation in your shoulder eventually leads to difficulty moving…

Adult ADHD does exist but may look slightly different than it does in children.

AIDS is a life-threatening condition caused by human immunodeficiency virus (HIV). The virus makes your body weak and unable to…

Alcohol abuse is a pattern of drinking too much alcohol too often. This can harm your work, school, and…

Allergic conjunctivitis occurs when you’re around things you’re allergic to. These allergens can make your eyes swollen, irritated, and…

Allergic rhinitis is the medical term for hay fever or allergies.

Alopecia areata is an autoimmune disease that causes you to lose small, round patches of hair on your head.

Alzheimer’s disease is a type of dementia. The symptoms are associated with physical and functional changes in the brain.

Amblyopia (lazy eye) develops in childhood when one eye doesn’t work properly with the brain. Left untreated, it can lead…

Amenorrhea is a medical term for when a woman does not have menstrual periods.

An anal fissure is a small crack or tear in the thin, moist lining of the lower rectum. It’s a…

An anal fistula is an abnormal connection that forms between the anus and the skin outside of it. It usually…

Anaphylaxis is a life-threatening allergic reaction. Symptoms range from mild to severe, and immediate attention is necessary.