Three opioid antagonists, naloxone, naltrexone, and nalmefene, are currently approved for human use. Naloxone and nalmefene have been approved for parenteral administration and are used in the ...

Sexual problems in men may be linked to low levels of the hormone prolactin, according to a new study. The finding is perhaps surprising because experts have traditionally thought prolactin, which ...

Prolactin is a hormone produced by the pituitary gland. High levels can affect sexual and reproductive health. They may result from medication use, health conditions, or prolactinomas. Prolactin plays ...

The hormone prolactin has long been understood to play a vital role in breast growth and development and the production of milk during pregnancy. But a pair of recent studies conducted at VCU Massey ...

Proper baseline workup should be initiated before referring patients with incidental pituitary adenomas to a specialist. The initial workup includes imaging, blood work to determine if the pituitary ...

Whether the withdrawal of treatment in patients with nontumoral hyperprolactinemia, microprolactinomas, or macroprolactinomas is safe and effective has been unclear. We performed an observational, ...

Elevated prolactin levels can cause symptoms like irregular periods and nipple discharge. Low prolactin levels are less common and can cause a reduced milk supply in lactating individuals. High ...

Prolactin is a hormone produced by the pituitary gland, which is located near the bottom of the brain. Its production is controlled by other hormones called prolactin-inhibiting factors, which include ...

Nursing poses major metabolic demands on mothers, to which they respond by eating more and saving energy to sustain milk production. There are significant hormonal changes during lactation, but how ...

Background A 31-year-old woman presented 12 months after discontinuing the oral contraceptive pill with progressive headache to her primary-care physician. She had previously presented with irregular ...