Search results
Results from the WOW.Com Content Network
Prolactin inhibitors are mainly used to treat hyperprolactinemia (high prolactin levels). [1] Agonists of the dopamine D 2 receptor such as bromocriptine and cabergoline are able to strongly suppress pituitary prolactin secretion and thereby decrease circulating prolactin levels, and so are most commonly used as prolactin inhibitors. [1]
Unlike women, who most commonly have microprolactinomas, men usually present with macroprolactinomas, and their serum prolactin levels are generally much higher than those observed in women. [ 13 ] Long-term hyperprolactinaemia can lead to detrimental changes in bone metabolism as a result of hypoestrogenism and hypoandrogenism .
There are few treatments which increase prolactin levels in humans. Treatment differs based on the reason for diagnosis. Women who are diagnosed with hypoprolactinemia following lactation failure are typically advised to formula feed, although treatment with metoclopramide has been shown to increase milk supply in clinical studies.
The effects of mildly elevated levels of prolactin are much more variable, in women, substantially increasing or decreasing estrogen levels. Prolactin is sometimes classified as a gonadotropin [17] although in humans it has only a weak luteotropic effect while the effect of suppressing classical gonadotropic hormones is more important. [18 ...
Cabergoline, sold under the brand name Dostinex among others, is a dopaminergic medication used in the treatment of high prolactin levels, prolactinomas, Parkinson's disease, and for other indications. [3] It is taken by mouth. Cabergoline is an ergot derivative and a potent dopamine D 2 receptor agonist. [4]
Galactorrhea hyperprolactinemia is increased blood prolactin levels associated with galactorrhea (abnormal milk secretion). It may be caused by such things as certain medications, pituitary disorders and thyroid disorders. The condition can occur in males as well as females.
Mechanical detection of suckling increases prolactin levels in the body to increase milk synthesis. Excess prolactin may inhibit the menstrual cycle directly, by a suppressive effect on the ovary, or indirectly, by decreasing the release of GnRH. [2] Suckling is a pivotal factor in maintaining lactational amenorrhea postpartum.
By the twentieth week of gestation, mammary glands have reached a sufficient level of development to generate milk components as a result of stimulation by prolactin. [33] Post-lactational involution refers to the process of breast tissue returning to its normal state after milk production stops due to a decrease in prolactin levels. [33]