A
Ankylosing spondylitis
Ankylosing spondylitis is a type of arthritis of the spine. It causes swelling between your vertebrae, which are the disks that make up your spine, and in the joints between your spine and p
Anorectal Abscess
An anorectal abscess is a collection of pus in the area of the anus and rectum.
Causes
Common causes of anorectal abscess include:
Blocked glands in the anal area
Infection of a
Anorexia
Anorexia is an eating disorder that causes people lose more weight than is considered healthy for their age and height.
People with this disorder may have an intense fear of weight gain, eve
Aphthous Stomatitis (Cancer Sores)
Canker sores (recurrent aphthous stomatitis, RAS) are among the most common of oral conditions and are experienced by more than half of the population. These small, round or oval, painful yellowish so
Appendicitis in adults
Appendicitis is swelling (inflammation) of the appendix. The appendix is a small pouch attached to the large intestine.
The appendix is a small, finger-shaped pouch of intestinal tissue ar
Appendicitis in children
Appendicitis can be hard for a parent to diagnose, though. At first, it may seem a lot like stomach flu. The classic symptoms are abdominal pain, fever, and vomiting. (In rare cases, it
Arrhythmias
An arrhythmia is a disorder of the heart rate (pulse) or heart rhythm. The heart can beat too fast (tachycardia), too slow (bradycardia), or irregularly.
Causes
Normally, your
Arthritis
Arthritis is inflammation of one or more joints. A joint is the area where 2 bones meet. There are more than 100 different types of arthritis.
Causes
Arthritis involves the breakdown of cartilage.
Asthma
What is asthma?
Asthma is a disease of the lungs. The airways of people who have asthma are extra sensitive to the things they're allergic to (called allergens) and to other irritating things in