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Your searched on: hormones

Hormones
Has info on hypothyroidism, hyperthyroidism, and thyroid tests. Also has links to info on PMS and polycystic ovary syndrome.

Growth Hormone
A growth hormone (GH) test measures the amount of human growth hormone (GH) in the blood. GH is made by the pituitary gland and is needed for growth. It plays an important role in how the body uses food for energy (metabolism). The amount of GH in...

Luteinizing Hormone
A luteinizing hormone test measures the amount of luteinizing hormone (LH) in a sample of blood or urine. LH is produced by the pituitary gland. In women, LH helps regulate the menstrual cycle and egg production (ovulation). How much LH is in a...

Parathyroid Hormone
Covers why and how parathyroid hormone tests are done. Covers what possible results might mean. Includes info on what might affect the test.

Adrenocorticotropic Hormone
An adrenocorticotropic hormone test measures the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and adrenal glands. ACTH is made in the pituitary gland in response to the release of another...

Bioidentical Hormones
Bioidentical hormones are made in a laboratory. They are based on compounds found in plants (usually soybeans or wild yams). After the plant-based hormone is processed, its structure is said to be identical to the estrogen, progesterone, or androgen...

Hormone Inhibin A
The inhibin A test is done to measure the amount of this hormone in a pregnant woman's blood to see if the baby may have Down syndrome. Inhibin A is made by the placenta during pregnancy. The level of inhibin A in the blood is used in a maternal...

Thyroid Hormones
Thyroid hormones are made by the thyroid gland. The thyroid gland makes and releases two thyroid hormones: thyroxine (T4) and triiodothyronine (T3). Thyroid hormones affect every cell and all the organs of the body. Too much thyroid hormone speeds...

parathyroid hormone
Parathyroid hormone is a manmade form of a hormone that occurs naturally in the body. Parathyroid hormone is used together with calcium and vitamin D to treat hypocalcemia (low levels of calcium in the blood) in people who also have low levels of parathyroid hormone. Parathyroid hormone is usually given after calcium...

Thyroid Hormone Tests
Looks at various tests used to check how well the thyroid gland is working. Covers what results might mean. Also looks at what might affect a test. Offers links to info on other tests that might be useful, including thyroid-stimulating hormone (TSH) test.

Follicle-Stimulating Hormone
A follicle-stimulating hormone test measures the amount of follicle-stimulating hormone (FSH) in a blood sample. FSH is produced by the pituitary gland. In women, FSH helps control the menstrual cycle and the production of eggs by the ovaries. The...

Birth Control Hormones: The Implant
The implant is used to prevent pregnancy. It's a thin rod about the size of a matchstick that is inserted under the skin (subdermal) on the inside of your arm. The implant releases the hormone progestin to prevent pregnancy. Progestin prevents...

follicle stimulating hormone
Follicle stimulating hormone is a man-made form of a hormone that occurs naturally in the body. This hormone regulates ovulation, the growth and development of eggs in a woman's ovaries. Follicle stimulating hormone is used to treat infertility in women who cannot ovulate and do not have primary ovarian failure...

Hormonal Factors in Erection Problems
Hormonal factors may play a role in erection problems (erectile dysfunction). Men who produce low levels of the hormone testosterone (a condition known as hypogonadism) may have decreased sexual desire. A blood test is usually done if your...

Thyroid Hormone Production and Function
The thyroid gland uses iodine from food to make two thyroid hormones: triiodothyronine (T3) and thyroxine (T4). It also stores these thyroid hormones and releases them as they are needed. The hypothalamus and the pituitary gland, which are located...

Birth Control Hormones: The Pill
Combination pills are used to prevent pregnancy. Most people call them "the pill." Combination pills release a regular dose of two hormones, estrogen and progestin. They prevent pregnancy in a few ways. They thicken the mucus in the cervix. This...

Birth Control Hormones: The Shot
The shot is used to prevent pregnancy. You get the shot in your upper arm or rear end (buttocks). The shot gives you a dose of the hormone progestin. The shot is often called by its brand name, Depo-Provera. Progestin prevents pregnancy in these...

Birth Control Hormones: The Mini-Pill
Mini-pills are used to prevent pregnancy. They release a regular dose of a hormone called progestin. They are different from regular combination birth control pills. Those contain progestin and another hormone called estrogen. Progestin prevents...

Birth Control Hormones: The Patch
The patch is used to prevent pregnancy. It looks like a bandage and is put on the skin of your belly, rear end (buttocks), upper arm, or upper body (but not on a breast). The patch releases a regular dose of the hormones estrogen and progestin....

Birth Control Hormones: The Ring
The ring is used to prevent pregnancy. It's a soft plastic ring that you put into your vagina. It's also called the vaginal ring. The ring releases a regular dose of the hormones estrogen and progestin. These hormones prevent pregnancy in three...

Hormone Treatment for Breast Cancer
Some breast cancers need the hormones estrogen or progesterone to grow. These cancer cells have "receptors" on their surfaces. Receptors are like doorways to let hormones in. These types of breast cancer are called estrogen-receptor-positive (ER+)...

Thyroid-Stimulating Hormone (TSH)
Discusses blood test used to check for thyroid gland problems. Explains how TSH causes thyroid gland to make hormones that help control metabolism. Covers how it is done and test results.

Thyroid Hormone Replacement for Hypothyroidism
Thyroid hormones help regulate the way the body uses energy. You need thyroid hormone replacement when you do not have enough thyroid hormones in your blood (hypothyroidism). Depending on the cause of your hypothyroidism, you may need to take...

Hormone Therapy for Prostate Cancer (Androgen Deprivation Therapy, or ADT)
Hormone therapy for prostate cancer is also known as androgen deprivation therapy (ADT). Prostate cancer cannot grow or survive without androgens, which include testosterone and other male hormones. Hormone therapy decreases the amount of androgens...

Infertility: Questions to Ask About Medicine or Hormone Treatment
When considering whether to try medicine or hormone treatment for infertility, ask: Whether there are any possible long-term risks related to the proposed treatment. Whether you need to change your sexual activities during treatment. Your doctor may...

Endometriosis: Should I Use Hormone Therapy?
Guides you through decision to use hormone therapy to treat endometriosis. Covers how endometriosis may affect you. Covers how hormone therapy works. Lists reasons for and against hormone therapy. Includes interactive tool to help you make your decision.

Hormonal Birth Control: Risk of Blood Clots
In some women, the estrogen in combination hormonal birth control methods increases the risk of a blood clot in a leg (deep vein thrombosis, or DVT) or a blood clot in a lung (pulmonary embolism, or PE). A blood clot in a leg vein can travel through...

Birth Control: Pros and Cons of Hormonal Methods
The following tables list some pros and cons of using hormonal birth control methods. Pros Cons No interruption of foreplay or intercourse Reduced bleeding and cramping with periods, which lowers the risk of anemia Fewer or no periods (with certain...

Menopause: Should I Use Hormone Therapy (HT)?
Guides you through the decision to use hormone therapy (HT) for menopause symptoms. Explains what menopause is and what to expect. Lists risks and benefits of HT and other treatments to try. Includes interactive tool to help you decide.

Progestin-Only Hormonal Methods (Mini-Pills, Implants, and Shots)
Looks at progestin-only hormonal methods (mini-pills, implants, and shots) to prevent pregnancy. Includes generic and brand names such as medroxyprogesterone acetate (Depo-Provera). Covers how well they work and side effects.

corticotropin
Corticotropin is a man-made form of a hormone that occurs naturally in the body. Corticotropin is also used to treat many different conditions such as multiple sclerosis, psoriatic or rheumatoid arthritis, ankylosing spondylitis, lupus, severe allergic reactions, breathing disorders, and inflammatory conditions of the...

menotropins
Menotropins are a mixture of follicle-stimulating hormone (FSH) and luteinizing hormone (LH). FSH and LH are important in the development of follicles (eggs) that are produced by the ovaries in women. Menotropins are used to help your body produce multiple eggs during ovulation, in preparation for in-vitro...

Oxytocin
Oxytocin is a hormone released from the pituitary gland in the brain. During pregnancy, oxytocin causes labor contractions to begin. Oxytocin also is released when a woman's breasts are stimulated by suckling or pumping, causing milk to move from...

Abnormal Uterine Bleeding: Should I Have a Hysterectomy?
Guides through decision to treat abnormal uterine bleeding. Explains symptoms that doctor would look for before recommending treatment. Covers benefits and risks. Includes an interactive tool to help you make your decision.

Hypothyroidism
Covers hypothyroidism, which happens when the thyroid doesn't make enough thyroxine (T4) and triiodothyronine (T3) hormones. Includes causes like thyroiditis. Covers tests for TSH, T4, and T3. Also includes info on treatment with medicine such as levothyroxine.

Women's Health
Provides links to info on common concerns of women's health. Includes info on birth control, hormone therapy for menopause symptoms, abnormal pap tests, and fertility problems. Also looks at pregnancy, labor, delivery, and the postpartum period.

Menopause: Managing Hot Flashes
Discusses options for managing perimenopause- and menopause-related hot flashes. Explains what hot flashes are. Discusses lifestyle changes that may help hot flashes. Looks at hormone therapy (HT) and treatment with medicines and herbs.

Progesterone
A progesterone test measures the amount of the hormone progesterone in a blood sample. Progesterone is a female hormone produced by the ovaries during release of a mature egg from an ovary (ovulation). Progesterone helps prepare the lining of the...

Noninsulin medicines for type 2 diabetes
Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure to read the...

Uterine Fibroids: Should I Use GnRH-A Therapy?
Guides you through decision to use gonadotropin-releasing hormone agonists (GnRH-a) medicines to treat uterine fibroids. Discusses how GnRH-a therapy works. Lists reasons for and against. Includes interactive tool to help you make your decision.

Potassium (K) in Urine
Discusses test to check level of potassium (K) in urine. Includes info on what affects potassium levels in the body such as kidney function, blood pH, and hormones. Explains how and why test is done. Covers what results mean.

urofollitropin
Urofollitropin is a purified form of a hormone called follicle-stimulating hormone (FSH). This hormone is important in the development of follicles (eggs) that are produced by the ovaries in women. Urofollitropin is used together with other medicines to treat infertility in women with FSH deficiency. Urofollitropin is...

Testosterone
A testosterone test checks the level of this male hormone (androgen) in the blood. Testosterone affects sexual features and development. In men, it is made in large amounts by the testicles. In both men and women, testosterone is made in small...

Gastrin
A gastrin test measures the level of the hormone gastrin in the blood. Gastrin is produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of gastrin in the blood. As blood levels of gastrin...

goserelin (implant)
Goserelin is a man-made form of a hormone that regulates many processes in the body. Goserelin overstimulates the body's own production of certain hormones, which causes that production to shut down temporarily. Goserelin implant is used in men to treat symptoms of prostate cancer. Goserelin implant is used in women to...

triptorelin
Triptorelin is a man-made form of a hormone that regulates many processes in the body. Triptorelin overstimulates the body's own production of certain hormones, which causes that production to shut down temporarily. The Trelstar brand of triptorelin is used in men to treat the symptoms of prostate cancer. Trelstar...

somatropin
Somatropin is a form of human growth hormone important for the growth of bones and muscles. Somatropin is used to treat growth failure in children and adults who lack natural growth hormone. This includes people with short stature due to Noonan syndrome, Turner syndrome, Prader-Willi syndrome, short stature at birth...

nafarelin nasal
Nafarelin nasal is a man-made form of a protein that is like a hormone in the body that helps regulate the menstrual cycle, fertility, and sexual development during puberty. Nafarelin nasal is used to treat precocious puberty in both male and female children. It is also used to treat endometriosis in women who are 18...

glucagon
Glucagon is a hormone that increases blood sugar levels. It also slows involuntary muscle movements of the stomach and intestines that aid in digestion. Glucagon is used to treat hypoglycemia (low blood sugar). Glucagon is also used during a radiologic (x-ray) examination to help diagnose certain disorders of the...

Brain Natriuretic Peptide (BNP) Test
Gives info on test for BNP hormone to tell how well the heart works. Tells how BNP checks for heart failure. Tells how to get ready for test. Includes what results mean. Also discusses things that affect test results, such as some health problems and medicines.

Arm Problems, Noninjury
Covers problems like swelling or arm pain caused by overuse, arthritis, and hormone changes. Links to info on bursitis and osteoarthritis. Includes tool to help you decide when to call a doctor. Offers home treatment and prevention tips.

Menopause and Perimenopause
Discusses what happens in the body during menopause or perimenopause. Describes physical and emotional symptoms like hot flashes and mood swings. Discusses treatment with lifestyle changes like diet and exercise. Also covers hormone therapy.

Potassium (K) in Blood
Discusses blood test to check level of potassium (K) in blood. Includes info on what affects potassium levels in the body such as kidney function, blood pH, and hormones. Explains how and why test is done. Covers what results mean.

Sexual and Reproductive Organs
Includes info on follicle-stimulating hormone test, pelvic inflammatory disease, and semen analysis. Also has links to info on hysterectomy, vaginal yeast infections, and enlarged prostate.

Thyroid Cancer
Discusses causes and symptoms of thyroid cancer. Covers factors that increase risk, including exposure to radiation. Discusses diagnosis and treatment with surgery, radioactive iodine, and thyroid hormone therapy.

Polycystic Ovary Syndrome (PCOS)
Discusses polycystic ovary syndrome, a problem in which a woman's hormones are out of balance. Discusses PCOS early symptoms like heavy bleeding or facial hair. Also covers more serious symptoms like miscarriages or infertility. Includes info on treatment.

teriparatide
Teriparatide is a man-made form of parathyroid hormone that exists naturally in the body. Teriparatide increases bone mineral density and bone strength, which may prevent fractures. Teriparatide is used to treat osteoporosis caused by menopause, steroid use, or gonadal failure. This medicine is for use when you have a...

Endometrial (Uterine) Cancer
Discusses cancer of the lining of the uterus (endometrium). Covers having too much estrogen as most common cause. Discusses treatment with surgery, chemotherapy, and hormone and radiation therapy.

liothyronine
Liothyronine is a man-made form of a hormone that is normally produced by your thyroid gland to regulate the body's energy and metabolism. Liothyronine is given when the thyroid does not produce enough of this hormone on its own. Liothyronine treats hypothyroidism (low thyroid hormone). Liothyronine is also used to...

Heart Attack and Stroke in Women: Reducing Your Risk
Covers risk of heart disease and stroke in women. Lists things that increase risk. Lists prevention steps, such as diet, exercise, not smoking, managing cholesterol and blood pressure, and making decisions on birth control and hormone therapy.

histrelin (implant)
Histrelin is a man-made form of a hormone that regulates many processes in the body. Histrelin overstimulates the body's own production of certain hormones, which causes that production to shut down temporarily. The Supprelin LA brand of histrelin is used to treat precocious puberty in both male and female children who...

leuprolide
Leuprolide overstimulates the body's own production of certain hormones, which causes that production to shut down temporarily. Leuprolide reduces the amount of testosterone in men or estrogen in women. Leuprolide is used in men to treat the symptoms of prostate cancer (but does not treat the cancer itself). Leuprolide...

Stress Management
Stress is what you feel when you have to handle more than you are used to. When you are stressed, your body responds as though you are in danger. It makes hormones that speed up your heart, make you breathe faster, and give you a burst of energy....

Night Sweats
Night sweats are heavy sweating during sleep.This kind of sweating is different than the occasional sweating people have from sleeping deeply, being in a warm room, or having too many blankets. Night sweats are often so heavy that your clothing and...

Levothyroxine
Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure to read the...

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...

Prediabetes
Covers warning signs that you may be at risk for type 2 diabetes. Includes causes and symptoms. Looks at lifestyle changes to get your blood sugar levels back to a normal range. Includes tips on diet, weight loss, and exercise.

Secondary Adrenocortical Insufficiency
Secondary adrenocortical insufficiency is a condition in which a lack of adrenocorticotropic hormone (ACTH) prevents the body from producing enough cortisol. Production of cortisol is controlled by the action of ACTH. ACTH is produced by the...

Low Testosterone
Men who have low testosterone do not make enough of the male hormone called testosterone. This hormone allows men to produce sperm and to develop and keep normal physical male traits. Low testosterone is also called testosterone deficiency or...

Cushing's Syndrome
Cushing's syndrome is a rare problem that happens when you have too much of the hormone cortisol in your body. Cortisol is especially important in controlling blood pressure and metabolism. But it affects almost every area of your body. Normally,...

Thyroid Nodules
Thyroid nodules are growths or lumps in the thyroid gland in the front of your neck. This gland controls how your body uses energy. Most thyroid nodules are not cancer and do not cause problems. Many don't even need treatment. Sometimes a...

Medicines for bone loss
Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure to read the...

Carbohydrates, Proteins, Fats, and Blood Sugar
The body uses three main nutrients to function— carbohydrate, protein, and fat. These nutrients are digested into simpler compounds. Carbohydrates are used for energy (glucose). Fats are used for energy after they are broken into fatty acids....

Radioactive Iodine Uptake Test
A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how much tracer the thyroid gland absorbs from the blood. The test can show how much tracer is absorbed by the thyroid gland. The RAIU test often is...

DHEA-S Test
DHEA-S (dehydroepiandrosterone sulfate) is a male hormone (androgen) that is made in the adrenal glands. The body turns it into testosterone. A test for DHEA-S checks the level of this hormone in the blood. Testosterone affects sexual features and...

Pancreatic Cancer
Describes pancreatic cancer. Talks about symptoms and what tests are used to diagnose it. Provides treatment details. Lists factors that raise your risk.

Thyroid Biopsy
A thyroid biopsy is a procedure in which a small sample of tissue is removed from the thyroid gland and looked at under a microscope for cancer, infection, or other thyroid problems. The thyroid gland is found in front of the windpipe (trachea),...

Thyroid Scan
A thyroid scan uses a radioactive tracer and a special camera to measure how much tracer the thyroid gland absorbs from the blood. The tracer can be swallowed or can be injected into a vein. It travels through your body, giving off radiation...

Type 1 Diabetes
Covers type 1 diabetes, also called juvenile diabetes or insulin-dependent diabetes. Describes how pancreas regulates blood sugar (glucose) levels. Includes info on hypoglycemia and hyperglycemia. Discusses treatments, including insulin.

Thyroid and Parathyroid Ultrasound
Covers imaging test to check the thyroid gland and parathyroid glands. Includes info on problems test checks for, such as lumps in the thyroid gland or enlarged thyroid and parathyroid glands. Covers how it is done. Discusses possible results.

Catecholamines in Urine
Catecholamines (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel stressed, these hormones increase heart rate, blood pressure, breathing rate, muscle strength, and mental alertness....

Cortisol in Blood
A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland. Cortisol is made by the adrenal glands. Cortisol levels go up when the pituitary...

Overnight Dexamethasone Suppression Test
The overnight dexamethasone suppression test checks to see how taking a steroid medicine called dexamethasone changes the levels of the hormone cortisol in the blood. This test checks for a condition in which large amounts of cortisol are produced...

Aldosterone in Blood
An aldosterone test measures the level of aldosterone (a hormone made by the adrenal glands), in the blood. Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and...

Type 2 Diabetes
Information on type 2 diabetes. Describes how insulin is made and used by the body. Describes symptoms and how type 2 is treated. Provides info on blood sugar (glucose) levels. Discusses obesity's role in type 2 diabetes. Discusses exercise and diet.

Amylase
An amylase test measures the amount of this enzyme in a sample of blood taken from a vein or in a sample of urine. Normally, only low levels of amylase are found in the blood or urine. But if the pancreas or salivary glands become damaged or...

Renin Assay
A renin assay blood test is done to find the cause of high blood pressure (hypertension). Renin is an enzyme made by special cells in the kidneys. Renin works with aldosterone (a hormone made by the adrenal glands) and several other substances to...

Testosterone
Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure to read the...

Aldosterone in Urine
An aldosterone test measures the level of aldosterone (a hormone made by the adrenal glands) in the urine. Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and...

Catecholamines in Blood
A test for catecholamines measures the amount of the hormones epinephrine, norepinephrine, and dopamine in the blood. These catecholamines are made by nerve tissue, the brain, and the adrenal glands. Catecholamines help the body respond to stress or...

Cortisol in Urine
A cortisol test measures the level of the hormone cortisol in a 24-hour sample of urine. The cortisol level may show problems with the adrenal glands or the pituitary gland. Cortisol is made by the adrenal glands. Cortisol levels get higher when the...

Metabolic Syndrome
Discusses metabolic syndrome, a group of health problems that increase risk for diabetes and heart disease (coronary artery disease). Covers risk factors like obesity, high blood pressure, and high cholesterol. Covers diet and exercise to improve health.

Dawn Phenomenon and the Somogyi Effect
The dawn phenomenon and the Somogyi effect cause high blood sugar levels, especially in the morning before breakfast, in people who have diabetes. The dawn phenomenon is a normal rise in blood sugar as a person's body prepares to wake up. In the...

Hypoglycemia (Low Blood Sugar) in People Without Diabetes
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.

progesterone
Progesterone is a female hormone important for the regulation of ovulation and menstruation. Progesterone is used to cause menstrual periods in women who have not yet reached menopause but are not having periods due to a lack of progesterone in the body. Progesterone is also used to prevent overgrowth in the lining of...

progesterone vaginal
Progesterone is a female hormone important for ovulation and menstruation. Progesterone causes changes in the lining of your uterus, making it easier for a fertilized egg to attach to the uterus at the beginning of pregnancy. Progesterone then helps your body maintain the pregnancy. Progesterone vaginal (for use in the...

human chorionic gonadotropin (HCG) (injectable)
Human chorionic gonadotropin (HCG) is a hormone that supports the normal development of an egg in a woman's ovary, and stimulates the release of the egg during ovulation. HCG is used to cause ovulation and to treat infertility in women, and to increase sperm count in men. HCG is also used in young boys when their...

Type 1 Diabetes: Children Living With the Disease
Covers type 1 diabetes in children. Includes info on managing diabetes. Discusses using glucose monitors for blood glucose testing. Includes links to info on dealing with diabetes in school. Includes info on hypoglycemia and hyperglycemia.

Antithyroid Antibody Tests
Thyroid antibody tests measure the levels of antibodies that can destroy thyroid tissue or make the cells produce thyroid hormones. They are blood tests. Antibodies that destroy thyroid tissue can lead to hypothyroidism (underactive thyroid)....

Calcium (Ca) in Urine
A test for calcium in urine is a 24-hour test that checks the amount of calcium that is passed from the body in the urine. Calcium is the most common mineral in the body and one of the most important. The body needs it to build and fix bones and...