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 ...

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. High levels can affect sexual and reproductive health. They may result from medication use, health conditions, or prolactinomas. Prolactin plays ...

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 ...

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 ...

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

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 ...

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 ...