Generic Name: follicle stimulating hormone and luteinizing hormone (Intramuscular route, Subcutaneous route)
LOO-ten-eye-zing HOR-mone, FOL-i-kul STIM-yoo-lay-ting HOR-mone
Commonly used brand name(s):
In the U.S.
Available Dosage Forms:
Therapeutic Class: Endocrine-Metabolic Agent
Pharmacologic Class: Human Luteinizing Hormone
Menotropins are a mixture of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) that are naturally produced by the pituitary gland.
Use in females—FSH is primarily responsible for stimulating growth of the ovarian follicle, which includes the developing egg, the cells surrounding the egg that produce the hormones needed to support a pregnancy, and the fluid around the egg. As the follicle grows, an increasing amount of the hormone estrogen is produced by the cells in the follicle and released into the bloodstream. Estrogen causes the endometrium (lining of the uterus) to thicken before ovulation occurs. The higher blood levels of estrogen will also tell the hypothalamus and pituitary gland to slow the production and release of FSH.
LH also helps to increase the amount of estrogen produced by the follicle cells. However, its main function is to cause ovulation. The sharp rise in the blood level of LH that triggers ovulation is called the LH surge. After ovulation, the group of hormone-producing follicle cells become the corpus luteum, which will produce estrogen and large amounts of another hormone, progesterone. Progesterone causes the endometrium to mature so that it can support implantation of the fertilized egg or embryo. If implantation of a fertilized egg does not occur, the levels of estrogen and progesterone decrease, the endometrium sloughs off, and menstruation occurs.
Menotropins are usually given in combination with human chorionic gonadotropin (hCG). The actions of hCG are almost the same as those of LH. It is given to simulate the natural LH surge. This results in ovulation at an expected time.
Many women choosing treatment with menotropins have already tried clomiphene (e.g., Serophene) and have not been able to conceive yet. Menotropins may also be used to cause the ovary to produce several follicles, which can then be harvested for use in gamete intrafallopian transfer (GIFT) or in vitro fertilization (IVF).
Use in males—Menotropins are used to stimulate the production of sperm in some forms of male infertility.
Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not included in product labeling, menotropins are used in certain patients with the following medical conditions:
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Studies on this medicine have been done only in adult patients, and there is no specific information comparing use of menotropins in children with use in other age groups.
Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of menotropins in the elderly with use in other age groups.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
This section provides information on the proper use of a number of products that contain follicle stimulating hormone and luteinizing hormone. It may not be specific to Menopur. Please read with care.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
It is very important that your doctor check your progress at regular visits to make sure that the medicine is working properly and to check for unwanted effects. Your doctor will likely want to watch the development of the ovarian follicle(s) by measuring the amount of estrogen in your bloodstream and by checking the size of the follicle(s) with ultrasound examinations.
For females only:
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:For females onlyMore common
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:For males onlyLess common
After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:For females only
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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