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Feverfew
Feverfew — ce que la monographie européenne soutient réellement, ce à quoi ce n’est pas destiné, la forme et la durée prévue, les effets indésirables, et le 2 interaction médicamenteuses documentée.
Ceci est une page de référence, pas un diagnostic ni une ordonnance. Les produits à base de plantes sont de la vraie pharmacologie : effets, effets indésirables et interactions. Dites à votre médecin et à votre pharmacien tout ce que vous prenez, thés et compléments compris, et n’arrêtez ni ne changez jamais un médicament prescrit à cause de ce que vous lisez ici.
Ce que c’est
Tanacetum parthenium (L.) Sch.Bip. — herb (Tanaceti parthenii herba)
Groupé ici sous Joints, urinary tract and hormones. Position réglementaire :Monographie végétale UE — usage traditionnel.
Ce que les preuves soutiennent
L’indication enregistrée :Prophylaxis of migraine headaches, after serious conditions have been excluded by a doctor.
The wording of feverfew's registration is the most instructive thing about it. It is a preventive taken daily over months, not something to swallow during an attack, and the indication explicitly requires that a doctor has first excluded serious causes of headache. The trial evidence is inconsistent: a Cochrane review of feverfew for preventing migraine found the evidence insufficient to establish an effect, with the better-conducted trials the least encouraging. Two practical details set it apart. Chewing fresh leaves, the old folk method, causes mouth ulcers and soreness in a substantial share of people. And stopping abruptly after months of use has been described as producing a rebound of headache, anxiety, stiffness and poor sleep — so if you stop, taper.
C — Traditional use only Plausible from thirty or more years of use, which is what a traditional-use registration means. No clinical evidence was required and none has settled it.
Ce à quoi ce n’est pas destiné
Treating a migraine attack, and any new, sudden, severe or changed headache, headache with fever and a stiff neck, or headache after a head injury — those need urgent assessment.
Forme, force et durée
Dried leaf in capsules and tablets, sometimes standardised to parthenolide content, which varies widely between products. Fresh leaf chewing is the traditional method and the one that ulcerates mouths.
Durée.Prophylaxis is judged over months, not days. Taper rather than stop abruptly after long use.
Aucun chiffre en grammes n’apparaît sur cette page exprès. La partie de plante, le solvant d’extraction et le rapport drogue-extrait définissent ensemble une préparation, et un nombre pris à l’une ne décrit pas l’autre. Le raisonnement est exposé sur le hub ; la quantité qui s’applique à vous est celle imprimée sur le paquet que vous tenez, et un pharmacien la lira avec vous.
Effets indésirables
Mouth ulceration and tongue soreness from fresh leaf. Stomach upset, bloating. Allergic reactions in daisy-family (Asteraceae) sensitive people.
Qui devrait l’éviter
Not in pregnancy — feverfew has traditional use as a uterine stimulant — and not while breastfeeding. Most registrations are for adults only.
Interactions avec les médicaments
| Médicament ou substance | Ce qui est décrit |
|---|---|
| Anticoagulants and antiplatelets (warfarin, DOACs, aspirin, clopidogrel) | Feverfew appears on the bleeding-risk list. Evidence is limited to laboratory work and case reports, and the caution is standard rather than proven. |
| Anti-inflammatory painkillers (NSAIDs) | Regular anti-inflammatory painkillers are the other common ingredient in a migraine cupboard, and medication-overuse headache is a far more frequent cause of daily headache than most people taking them realise. |
La vue inverse — partir du médicament plutôt que de la plante — est dans la référence des interactions médicaments, aliments et alcool, et résumé pour chaque plante de ce site.
Sources :European Medicines Agency — Committee on Herbal Medicinal Products (HMPC), European Union herbal monographs · NIH National Center for Complementary and Integrative Health — herb fact sheets· vérifié2026-09-06
Questions fréquentes
À quoi sert feverfew ?
Prophylaxis of migraine headaches, after serious conditions have been excluded by a doctor. The wording of feverfew's registration is the most instructive thing about it. It is a preventive taken daily over months, not something to swallow during an attack, and the indication explicitly requires that a doctor has first excluded serious causes of headache. The trial evidence is inconsistent: a Cochrane review of feverfew for preventing migraine found the evidence insufficient to establish an effect, with the better-conducted trials the least encouraging. Two practical details set it apart. Chewing fresh leaves, the old folk method, causes mouth ulcers and soreness in a substantial share of people. And stopping abruptly after months of use has been described as producing a rebound of headache, anxiety, stiffness and poor sleep — so if you stop, taper.
Est-ce que feverfew marche ?
Noté ici C : Plausible from thirty or more years of use, which is what a traditional-use registration means. No clinical evidence was required and none has settled it. Treating a migraine attack, and any new, sudden, severe or changed headache, headache with fever and a stiff neck, or headache after a head injury — those need urgent assessment.
Combien de feverfew dois-je prendre ?
Cette référence n’imprime pas de chiffres en grammes, car ils ne se transférent pas entre préparations de force d’extrait différente. Ce qu’on peut dire honnêtement, c’est la forme et la durée :Dried leaf in capsules and tablets, sometimes standardised to parthenolide content, which varies widely between products. Fresh leaf chewing is the traditional method and the one that ulcerates mouths. Prophylaxis is judged over months, not days. Taper rather than stop abruptly after long use.
Quels sont les effets indésirables de feverfew ?
Mouth ulceration and tongue soreness from fresh leaf. Stomach upset, bloating. Allergic reactions in daisy-family (Asteraceae) sensitive people.
Est-ce que feverfew interagit avec des médicaments ?
Oui — documenté pourAnticoagulants, warfarin, NSAIDs. Chacune est décrite sur cette page, avec un lien vers la référence côté médicament s’il en existe une.
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