Educational information, not medical advice — ask your doctor or midwife.
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Chamomile is a small daisy-like flower drunk as a calming tea. People use it for restless sleep, mild worry, and an upset or windy stomach. It is also used on the skin and as a mouth rinse.
The plant is Matricaria chamomilla, often called German chamomile. In the Nordic countries it is known as kamille, kamomill and kamomillasaunio. The dried flower heads are the part used.
Here is the honest verdict on the evidence. A few small human trials suggest a mild calming effect, and the signal is weak but real. Long use in folk medicine is not proof that it works, and it is not proof that it is safe.
For most adults, chamomile tea is a low-risk drink. The main real hazard is an allergic reaction in people who react to daisy-family plants.
No one has shown clearly how chamomile works in the body.
Much of what is claimed comes from lab and animal work. In animal studies, apigenin from the flower appears to act on GABA receptors, the same brain targets used by some calming drugs. Whether a cup of tea reaches those targets in people is not established.
In test tubes and isolated tissue, chamomile extracts appear to relax gut muscle and damp down markers of swelling. That fits the old use for cramps and wind. It has not been confirmed in good human trials.
On skin, lab tests show that bisabolol and chamazulene calm irritated cells. Small skin trials have had mixed results.
Chamomile is sold in several forms.
- Dried flowers, loose or in tea bags. This is the most common form.
- Liquid extracts and tinctures in alcohol.
- Capsules of dried extract, often standardised to apigenin.
- Essential oil, for use on the skin after dilution or in a diffuser.
- Creams, ointments and bath products.
- Mouthwashes and gargles.
Do not swallow the essential oil. It is far stronger than tea and is not meant to be drunk.
Roman chamomile, Chamaemelum nobile, is a different plant sold under the same name. Check the Latin name on the label if it matters to you.
Chamomile has a long record in Nordic and wider European folk use. It was grown in farm gardens and gathered from field edges across Norway, Sweden, Denmark and Finland.
It was given as an evening tea for restlessness and poor sleep. It was also used for colic, wind and cramps, and as a warm compress for sore skin and eyes.
Midwives and household healers used chamomile steam and washes. In the 1800s it entered Nordic pharmacy books as an official plant drug.
That long standing says it was trusted and widely available. It does not tell you how well it works.
Call emergency services at once if your lips, tongue or throat swell, if you wheeze, or if you struggle to breathe. These are signs of a severe allergic reaction (anaphylaxis).
Stop using it and see a doctor if you get a rash, hives, or a sore red patch where a cream was used.
See a doctor if you take a blood thinner and notice easy bruising, nosebleeds or dark stools.
Book an appointment if anxiety, poor sleep or stomach pain lasts more than a few weeks, gets worse, or comes with weight loss, fever or bleeding.
In the EU, Nordic countries and the UK, chamomile is sold as an ordinary food and herbal tea. Some products hold a traditional herbal registration, which rests on long use rather than trial proof. In the US it is treated as a food and dietary supplement.
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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