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A galactagogue, or galactogogue (from el, γάλα ³Î±Î»Î±ÎºÏ„- milk, + ἀγωγός, leading), also known as a lactation inducer or milk booster, is a substance that promotes
lactation Lactation describes the secretion of milk from the mammary glands and the period of time that a mother lactates to feed her young. The process naturally occurs with all sexually mature female mammals, although it may predate mammals. The proces ...
in humans and other animals. It may be synthetic,
plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclu ...
-derived, or endogenous. They may be used to induce lactation and to treat low milk supply.


Pharmaceutical

Synthetic galactagogues such as
domperidone Domperidone, sold under the brand name Motilium among others, is a dopamine antagonist medication which is used to treat nausea and vomiting and certain gastrointestinal problems like gastroparesis (delayed gastric emptying). It raises the le ...
and
metoclopramide Metoclopramide is a medication used for stomach and esophageal problems. It is commonly used to treat and prevent nausea and vomiting, to help with emptying of the stomach in people with delayed stomach emptying, and to help with gastroesoph ...
interact with the dopamine system in such a way to increase the production of
prolactin Prolactin (PRL), also known as lactotropin, is a protein best known for its role in enabling mammals to produce milk. It is influential in over 300 separate processes in various vertebrates, including humans. Prolactin is secreted from the pit ...
; specifically, by blocking the D2 receptor. There is some evidence to suggest that mothers who are unable to meet their infants' breastfeeding needs may benefit from galactogogues. Galactagogues may be considered when non-pharmacologic interventions are found to be insufficient. For example, domperidone may be an option for mothers of
preterm babies Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. Extreme preterm is less than 28 weeks, very early preterm birth is between 2 ...
who at over 14 days from delivery and after full lactation support still have difficulty expressing breast milk in sufficient quantity for their child's needs. Domperidone (like metoclopramide, a D2 receptor antagonist) is not approved for enhanced lactation in the USA. By contrast, Australian guidelines consider domperidone to be the preferred galactagogue when non-pharmacological approaches have proved insufficient. Unlike metoclopramide, domperidone does not cross the blood–brain barrier and does not tend to have adverse effects such as drowsiness or depression. Other drugs which may increase lactation include: *
Antipsychotics Antipsychotics, also known as neuroleptics, are a class of psychotropic medication primarily used to manage psychosis (including delusions, hallucinations, paranoia or disordered thought), principally in schizophrenia but also in a range of ...
such as
risperidone Risperidone, sold under the brand name Risperdal among others, is an atypical antipsychotic used to treat schizophrenia and bipolar disorder. It is taken either by mouth or by injection (subcutaneous or intramuscular). The injectable versions ...
,
chlorpromazine Chlorpromazine (CPZ), marketed under the brand names Thorazine and Largactil among others, is an antipsychotic medication. It is primarily used to treat psychotic disorders such as schizophrenia. Other uses include the treatment of bipolar di ...
and
sulpiride Sulpiride, sold under the brand name Dogmatil among others, is an atypical antipsychotic (although some texts have referred to it as a typical antipsychotic) medication of the benzamide class which is used mainly in the treatment of psychosis ...
, due to their ability to block the D2 receptor * Certain
hormone A hormone (from the Greek participle , "setting in motion") is a class of signaling molecules in multicellular organisms that are sent to distant organs by complex biological processes to regulate physiology and behavior. Hormones are require ...
s such as oxytocin,
growth hormone Growth hormone (GH) or somatotropin, also known as human growth hormone (hGH or HGH) in its human form, is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals. It is thus important in h ...
(GH), and
thyrotropin-releasing hormone Thyrotropin-releasing hormone (TRH) is a hypophysiotropic hormone produced by neurons in the hypothalamus that stimulates the release of thyroid-stimulating hormone (TSH) and prolactin from the anterior pituitary. TRH has been used clinicall ...
(TRH). Progestogens like progesterone, medroxyprogesterone acetate, and
cyproterone acetate Cyproterone acetate (CPA), sold alone under the brand name Androcur or with ethinylestradiol under the brand names Diane or Diane-35 among others, is an antiandrogen and progestin medication used in the treatment of androgen-dependent condition ...
have been found to produce
lobuloalveolar development A mammary alveolus (plural: alveoli, from Latin ''alveolus'', "little cavity") is a small cavity or sac found in the mammary gland. Mammary alveoli are the site of milk production and storage in the mammary gland. Mammary alveoli cluster into ...
of the
breast The breast is one of two prominences located on the upper ventral region of a primate's torso. Both females and males develop breasts from the same embryological tissues. In females, it serves as the mammary gland, which produces and sec ...
s, which is important for lactation as milk is produced in the
mammary lobule A mammary alveolus (plural: alveoli, from Latin ''alveolus'', "little cavity") is a small cavity or sac found in the mammary gland. Mammary alveoli are the site of milk production and storage in the mammary gland. Mammary alveoli cluster into ...
s.


Herbal

Herbals and foods used as galactagogues have little or no scientific evidence of efficacy, and the identity and purity of herbals are concerns because of inadequate testing requirements. The herbals most commonly cited as galactagogues are: * Shatavari (''
Asparagus racemosus ''Asparagus racemosus'' (satavar, shatavari, or shatamull, shatawari) is a species of asparagus common throughout India and the Himalayas. and northern Australia. It grows tall and prefers to take root in gravelly, rocky soils high up in piedmon ...
'') * Fenugreek ( ''Trigonella foenumgraecum'') * Torbangun (''
Coleus amboinicus ''Coleus amboinicus'', synonym ''Plectranthus amboinicus'', is a semi-succulent perennial plant in the family Lamiaceae with a pungent oregano-like flavor and odor. ''Coleus amboinicus'' is considered to be native to parts of Africa, the Arabian ...
''), which has been used by the Batak people of
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
as a galactogogue for hundreds of years. * Fennel (''
Foeniculum vulgare Fennel (''Foeniculum vulgare'') is a flowering plant species in the carrot family. It is a hardy, perennial herb with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalize ...
'') * Milk thistle (''
Silybum marianum ''Silybum marianum'' is a species of thistle. It has various common names including milk thistle, blessed milkthistle, Marian thistle, Mary thistle, Saint Mary's thistle, Mediterranean milk thistle, variegated thistle and Scotch thistle (thou ...
''); in 2010 the European Food Safety Authority considered and rejected a claim for silybum as a galactagogue because the evidence was deemed insufficient. * Chasteberry (''
Vitex agnus-castus ''Vitex agnus-castus'', also called vitex, chaste tree (or chastetree), chasteberry, Abraham's balm, lilac chastetree, or monk's pepper, is a native of the Mediterranean region. It is one of the few temperate-zone species of '' Vitex'', which is ...
'') * Goat's rue (''
Galega officinalis ''Galega officinalis'', commonly known as galega or goat's-rue, is an herbaceous plant in the subfamily Faboideae of the legume family Fabaceae. It is native to parts of northern Africa, western Asia and Europe, but is widely cultivated and natu ...
'') Other herbals that have been claimed to be galactagogues include: *
Blessed thistle ''Cnicus benedictus'', known by the common names St. Benedict's thistle, blessed thistle, holy thistle and spotted thistle, is a thistle-like plant in the family Asteraceae, native to the Mediterranean region, from Portugal north to southern F ...
* Alfalfa * Anise *
Nettle {{redirect, Nettle Nettle refers to plants with stinging hairs, particularly those of the genus '' Urtica''. It can also refer to plants which resemble ''Urtica'' species in appearance but do not have stinging hairs. Plants called "nettle" includ ...
* Oatmeal *
Vervain ''Verbena'' (), also known as vervain or verveine, is a genus in the family Verbenaceae. It contains about 150 species of annual and perennial herbaceous or semi-woody flowering plants. The majority of the species are native to the Americas a ...
* Red raspberry leaf *
Marshmallow Marshmallow (, ) is a type of confectionery that is typically made from sugar, water and gelatin whipped to a solid-but-soft consistency. It is used as a filling in baking or normally molded into shapes and coated with corn starch. The sugar c ...
(althaea) root * Moringa


See also

*
Galactorrhea Galactorrhea ( also spelled galactorrhoea) ( galacto- + -rrhea) or lactorrhea ( lacto- + -rrhea) is the spontaneous flow of milk from the breast, unassociated with childbirth or nursing. Galactorrhea is reported to occur in 5–32% of women. M ...
*
Herbalism Herbal medicine (also herbalism) is the study of pharmacognosy and the use of medicinal plants, which are a basis of traditional medicine. With worldwide research into pharmacology, some herbal medicines have been translated into modern reme ...
*
Hypothalamic–pituitary–prolactin axis The hypothalamic–pituitary–prolactin axis (HPP axis), also known as the hypothalamic–pituitary–mammary axis or hypothalamic–pituitary–breast axis, is a hypothalamic–pituitary axis which includes the secretion of prolactin (PRL; lut ...


References


External links


New Zealand government website on Domperidone (Motilium) as a Galactogogue
{{Prolactin receptor modulators Biologically-based therapies Breastfeeding Galactagogues Systemic hormonal preparations