What is hyperparathyroidism? Hyperparathyroidism means that one or more of your four parathyroid glands may be too active. These are tiny glands in the neck, behind the thyroid gland. When they're too active, they make too much parathyroid hormone (PTH). This hormone helps control how much calcium is in your blood. When...
Learn what hypertension (high blood pressure) is.
A hypertensive emergency is very high blood pressure that damages the body. It can cause damage to the brain, heart, eyes, or kidneys. A person's blood pressure may be 180/120 or higher. A hypertensive emergency needs immediate care. Quick-acting medicines are used to lower blood pressure. The cause may be unknown. Or...
What is a hypertensive emergency? A hypertensive emergency is very high blood pressure that damages the body. A person's blood pressure may be 180/120 or higher. It can cause damage to the brain, heart, eyes, or kidneys. A hypertensive emergency needs immediate care. What are the symptoms? The symptoms of a hypertensive...
Discusses hyperthyroidism and what happens to the body's metabolism if the thyroid gland is overactive. Explains how Graves' disease usually causes an overactive thyroid. Describes symptoms. Covers exams and tests to diagnose it. Provides info on treatment.
Hyperthyroidism means that your body has too much thyroid hormone, which controls how your body uses energy. Too much thyroid hormone can make you lose weight quickly, have a fast heartbeat, sweat a lot, or feel nervous and moody. If it isn't treated, it can cause serious problems.
Hyperthyroidism occurs when your body has too much thyroid hormone. Symptoms of hyperthyroidism may include: Tiredness. Muscle weakness. Weight loss. Sweating and not being able to tolerate hot temperatures. Fast heart rate. Feeling edgy or anxious. Enlarged thyroid gland (your thyroid gland is in your neck).
What is Graves' ophthalmopathy? Graves' ophthalmopathy, also called thyroid eye disease, is an autoimmune disease that can occur in people with Graves' disease. In Graves' ophthalmopathy, the tissues and muscles behind the eyes become swollen. The eyeballs may stick out farther than normal. This can occur before, after...
Guides you through decision to use antithyroid medicine or radioactive iodine to treat hyperthyroidism. List benefits for and against each of the treatments. Includes an interactive tool to help you make your decision.
What is hypertrophic cardiomyopathy? Hypertrophic cardiomyopathy (say "hy-per-TROH-fik kar-dee-oh-my-AWP-uh-thee") happens when the heart muscle grows too thick. The heart gets bigger, and its chambers get smaller. Many people have no symptoms and live a normal life with few problems. But in some people: The heart...
In hypertrophic cardiomyopathy, the heart muscle is thicker than normal. This may cause problems for some people. The heart may not pump blood as well as it normally does. The heart chambers might be smaller than normal. Or the heart muscle may not relax between beats as it normally does.
Hypertrophic cardiomyopathy is a genetic disease in which the heart muscle grows abnormally, making the heart muscle thicken. The thickened heart muscle can interfere with the heart's electrical system, which increases the risk for life-threatening abnormal heartbeats (arrhythmias) and, rarely, sudden death. Symptoms...
Hypertrophic cardiomyopathy is a genetic disease in which the heart muscle grows abnormally, making the heart muscle thicken. Hypertrophic cardiomyopathy is described as either obstructive or nonobstructive. Nonobstructive hypertrophic cardiomyopathy. The heart muscle is abnormally thick but not to the extent that any...
Some people who have hypertrophic cardiomyopathy are at high risk for sudden death. It can occur at any age, but it is most shocking when it happens to young adults or athletes. While the media often highlight these tragic deaths, sudden death is rare. It occurs in about 1 out of 100 adults with hypertrophic...
Briefly discusses symptoms of hyperventilation, plus causes for both acute (sudden) and chronic hyperventilation. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.
Hyperventilation is breathing that is deeper and more rapid than normal, which causes the amount of carbon dioxide (CO2) in the blood to drop too low. This may result in lightheadedness, a rapid heartbeat, shortness of breath, numbness or tingling in the hands or feet, anxiety, fainting, and sore chest muscles. Some...
Hypnosis is a state of focused concentration during which a person becomes less aware of their surroundings. Hypnotherapy is the use of hypnosis to treat physical or psychological conditions. During a hypnotic state (trance), a person may be more likely to accept suggestions that can help change their behavior. A...
Related Topics Find Health Condition Information Find Drug Interaction Information Hypnotherapy has therapeutic applications for both psychological and physical disorders. When patients allow themselves to be hypnotized, they enter a hypnotic trance, an advanced state of relaxation where body chemistry changes. Numerous...
Hypocalcemia is an abnormally low level of calcium in the blood. It may be caused by vitamin D deficiency, kidney failure, acute pancreatitis, or insufficient magnesium and protein in the blood. Other causes of hypocalcemia include low levels of parathyroid hormone (hypoparathyroidism), malnutrition, and parathyroid...
DO NOT take this medicine by mouth. Apply the medicine to the affected area. Follow the instructions on the package to use this medicine correctly. Apply medicine directly to wound or onto a sterile gauze pad that is then applied to the wound. Use fabric tape to hold the gauze in place. Keep the medicine at room...
Hypoglycemia is a low level of blood sugar. A person may tremble, feel nervous or jittery, break out in a cold sweat, have a headache, or feel sick to the stomach. If blood sugar, also called glucose, continues to fall, a person may experience mood changes, such as irritability, anxiety, restlessness, anger, or...
When blood-sugar levels fall fast, symptoms such as fatigue and anxiety may arise. Simple changes can control many cases of hypoglycemia. According to research or other evidence, the following self-care steps may be helpful. Choose foods with fiber Stabilize your blood sugar by eating fiber from whole grains, beans and...
Discusses hypoglycemia (low blood sugar) in people who don't have diabetes. Explains blood sugar (glucose) in the body. Describes symptoms of mild, moderate, and severe hypoglycemia. Covers treatment for sudden episodes and emergency situations.
Hypoglycemia (or hypoglycemic) unawareness is the inability to recognize early symptoms of low blood sugar until they become severe. When symptoms reach this stage, urgent treatment is needed to prevent further progression and life-threatening health problems, such as a seizure or stroke. Severe symptoms of low blood...
Learn how to manage hypoglycemic unawareness.
Learn about the causes, symptoms, and treatment of hypokalemia.
Learn about the causes, symptoms, treatment, and prevention of hyponatremia.
Hypoparathyroidism is a condition caused by poor functioning of the parathyroid glands, which are the small glands that are located next to the thyroid gland in the neck. The parathyroid glands release a substance called parathyroid hormone that helps control the amount of calcium in the bloodstream. When the...
Epidemiology Cancer of the hypopharynx is uncommon; approximately 2,500 new cases are diagnosed in the United States each year.[ 1] The peak incidence of this cancer occurs in males and females aged 50 to 60 years.[ 2] Excessive alcohol and tobacco use are the primary risk factors for hypopharyngeal cancer.[ 3, 4] In...
Hypopharyngeal cancer is a disease in which malignant (cancer) cells form in the tissues of the hypopharynx. The hypopharynx is the bottom part of the pharynx (throat). The pharynx is a hollow tube about 5 inches long that starts behind the nose, goes down the neck, and ends at the top of the trachea (windpipe) and...
