Educational information, not medical advice — ask your doctor or midwife.
Chickweed (Stellaria media) is a low, sprawling garden weed with small white star-shaped flowers, used in Western folk herbalism mostly on the skin. People apply it as a cream, salve or poultice (a soft mash of the herb held against the skin) for itching, dry eczema patches, nappy rash and minor scrapes.
The fresh leaves are mild and edible, and they turn up in salads, soups and pestos. A weak tea made from the dried or fresh plant is the usual internal form in old European household books.
Here is the honest verdict up front. Chickweed has a long, steady record of traditional use in Britain and Europe, but almost no human trial evidence of any kind. Traditional use tells you that people valued a plant, not that it works.
No one has shown clearly how chickweed works, so treat everything below as an idea rather than a proven mechanism.
The plant is mostly water, mucilage (a slippery gel-like fibre) and plant salts. On the skin, that gel plus the cool, wet feel of a fresh poultice may simply soothe and reduce the urge to scratch, much as any cool damp compress does.
Laboratory work has found saponins (soap-like plant compounds) and flavonoids (plant pigments with antioxidant activity) in chickweed. Some of these slow bacterial growth or calm inflammation in a dish. What happens in a dish often does not happen in a person.
The most common forms are skin preparations. Chickweed cream, ointment and salve are sold widely, usually mixed with beeswax or a plain base.
A fresh poultice is the traditional version: you crush clean fresh leaves and hold them against the sore spot under a cloth. An infused oil, made by steeping the wilted herb in a carrier oil, is used the same way.
Internally, chickweed comes as a dried herb for tea, a fresh salad green, a liquid tincture (a herb extract in alcohol) and, less often, capsules. Product strength varies a lot between brands, and almost none are standardised.
Chickweed is a European native that now grows almost everywhere people garden. Medieval and early modern English herbals, including Culpeper in the 1600s, list it as a cooling herb for hot, itchy skin and swellings.
It stayed a cottage remedy rather than a physician's drug: cheap, everywhere, and gathered rather than bought. Country people also ate it as an early spring green and fed it to hens and caged birds, which is where the name comes from.
See a doctor if a rash spreads, weeps, blisters or becomes hot and painful, or if you get a fever with it. Get help the same day for a boil with red streaks spreading from it, or a wound that will not stop bleeding.
Stop and get urgent care if you have swelling of the lips, face or throat, a widespread hives-type rash, or trouble breathing after using it. Go to an emergency department straight away if you or a child has eaten a foraged plant and become drowsy, confused, sick or short of breath, and take a sample of the plant with you.
Also check in with your doctor if you take warfarin, lithium or diabetes medicine and have started using chickweed regularly.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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