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. 2018 Feb 1;41(1):7–9. doi: 10.18773/austprescr.2018.002

Table. Adverse effects of herbs used as galactagogues .

Herb Adverse effects
Alfalfa Medicago sativa Dose-related bleeding
Blessed thistle Cnicus benedictus Gastric irritation and potential allergies, as it is part of the ragweed family
Chaste tree Vitex agnus-castus Nausea, vomiting, irritation, pruritus, rash, headache, increased menstruation
Dill Anethum graveolens Alterations in sodium balance
Fennel Foeniculum vulgare Allergic reactions, dermatitis (photo and contact)
Fenugreek seed Trigonella foenum-graecum Hypoglycaemia, hypertension, diarrhoea and maple syrup body odour in mother
Allergy potential as part of the peanut family
Goat’s rue Galega officinalis Hypoglycaemia, hypotension, coughing, dose-related toxicity
Milk thistle (silymarin) Silybum marianum Allergic reactions, diarrhoea
Malunggay Moringa oleifera Hypoglycaemia, sedation
Raspberry leaf Rubus idaeus Hypersensitivity reactions, changes in blood glucose
Shatavari Asparagus racemosus Possible teratogenicity – avoid in pregnancy
Damiana Turnera diffusa Hepatotoxicity, confusion and hallucinations with high-dose Turnera