Search Medical Conditions
The medical conditions database is designed to help you and your loved ones learn about the cause, prevention, symptoms, and treatment of medical conditions to better understand various conditions.
H1N1 Influenza
H1N1 influenza is a contagious respiratory disease that causes symptoms of seasonal influenza in people. The name "swine flu" was initially used to describe
Halitosis
Halitosis is also referred to as oral malodor, but most of us know it quite simply as "bad breath." Even though it’s a comparatively
Hand, Foot, and Mouth Disease
Hand, foot, and mouth disease (HFMD) is a viral infection that usually affects babies and children. HFMD can lead to fever, a blistering rash
Hay Fever
Hay fever is also known as pollinosis or seasonal allergic rhinitis. For most people, a single allergen sets their symptoms off at about the
Headaches
Headaches are extremely common – most people have a headache at some time in their life. Most headaches disappear on their own (with a
Hearing Loss and Deafness
Hearing loss is the reduced ability to hear sound. Deafness is the complete inability to hear sound. Deafness and hearing loss have many causes
Heart Attack
The heart is one of the largest muscles in the body. The wall of the heart is the muscle that does the pumping, and
Heat Stroke
Heat stroke is also known as sunstroke, thermic fever, or siriasis. It happens when the body’s mechanisms for controlling temperature fail. Heat stroke is
Hemochromatosis
Hemochromatosis is primarily an inherited (genetic) condition that allows too much iron to be absorbed and stored throughout the body. It’s one of the
Hemophilia
Hemophilia is a rare bleeding disorder in which the blood does not clot normally. People with hemophilia have little or no blood clotting factors,
Hemorrhoids
Hemorrhoids, also called "piles," are swollen tissues that contain veins. They are located in the wall of the rectum and anus and may cause
Hepatitis A and B
Hepatitis is the medical term for inflammation of the liver. Hepatitis may be acute (lasting only for the short term, after which a person
Hepatitis C
Hepatitis is the medical term for inflammation of the liver. The hepatitis C virus is one of the many causes of inflammation of the
Hernia
A hernia occurs when a portion of tissue in your body bulges into or penetrates a weakened muscle area. Theoretically, hernias can happen anywhere
Herniated Disc
The spine is made up of cylindrical bones called vertebrae. Between the bones of the spine are small discs made of a thick layer
High Blood Pressure
Heart disease is one of the leading causes of death worldwide, and people who have abnormally high pressure in their arteries are far more
High Cholesterol
Cholesterol is a fatty substance your body needs to rebuild its cells and to make certain hormones. It’s carried throughout your body in your
HIV/AIDS
AIDS (acquired immune deficiency syndrome) was first recognized in North America in the early 1980s. It is caused by a virus known as HIV
Hives
Hives, called urticaria by doctors, is one of the most common causes of skin inflammation. Up to 20% of the population will suffer from
Hodgkin’s Disease
Hodgkin lymphoma is the name for a group of cancers that start in the lymph nodes and then spread to surrounding areas of the
HPV Infection
The human papillomavirus (HPV) is a virus that causes skin and mucous membrane (the moist lining of body cavities such as the mouth and
Huntington’s Disease
Huntington’s disease, also called Huntington’s chorea, is a hereditary condition that affects the brain, specifically an area called the basal ganglia (located deep in
Hyperhidrosis
Approximately 4 million sweat glands cover the body and produce the clear liquid that we know as sweat. The body produces sweat to help
Hyperthyroidism
The thyroid is a gland located in your neck, just beneath the Adam’s apple. It releases hormones – thyroxine (T4) and triiodothyronine (T3) –
Hypoglycemia
Hypoglycemia occurs when the level of glucose (sugar) in the blood is too low. Normally, your body keeps your blood glucose within a concentration
Hypothermia and Frostbite
Hypothermiaoccurs when you have abnormally low body temperature. Normal body temperature is around 37°C (98.6°F), as measured by mouth. Hypothermia is defined as a
Hypothyroidism
The thyroid is a gland located in the neck below the Adam’s apple. It helps control the body’s metabolic rate by producing the hormones
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