Dittrichia viscosa (Dittrichia viscosa): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Dittrichia viscosa work for wound healing?

Dittrichia viscosa contains bioactive compounds including inuviscolide, sesquiterpene lactones, and flavonoids that contribute to its wound healing properties. These compounds demonstrate anti-inflammatory and antimicrobial activities, which help reduce wound inflammation and prevent infection. The sesquiterpene lactones are particularly known for inhibiting inflammatory pathways, while flavonoids provide antioxidant support. Evidence level B supports these traditional wound healing applications observed in Mediterranean folk medicine.

Does Dittrichia viscosa interact with any medications?

There is limited clinical data on drug interactions with Dittrichia viscosa. Due to its sesquiterpene lactone content, individuals taking immunosuppressive medications should exercise caution. The herb's anti-inflammatory properties may theoretically potentiate effects of nonsteroidal anti-inflammatory drugs (NSAIDs). Topical application is unlikely to cause systemic interactions, but internal use warrants medical consultation. Always inform your healthcare provider about herbal supplement use to avoid potential interactions.

What is the recommended dosage for Dittrichia viscosa?

Traditional use of Dittrichia viscosa involves two primary methods. For wound healing, fresh leaves can be prepared as a poultice applied directly to the affected area. For internal use as an anti-inflammatory tea, 3-5 grams of dried herb is traditionally prepared as an infusion. These recommendations are based on traditional Mediterranean folk medicine practices rather than standardized clinical trials. Consult a qualified herbalist or healthcare provider for personalized dosing guidance.

Is Dittrichia viscosa safe during pregnancy and breastfeeding?

Dittrichia viscosa is considered unsafe during pregnancy and should be avoided. The sesquiterpene lactones present in this herb may stimulate uterine contractions and pose potential risks to fetal development. There is insufficient safety data for breastfeeding women, so avoidance is recommended. Additionally, the plant's potential to cause contact dermatitis and allergic reactions further contraindicates its use during pregnancy. Women who are pregnant, planning pregnancy, or breastfeeding should not use this herb.

What are the side effects of Dittrichia viscosa?

Dittrichia viscosa can cause contact dermatitis and allergic skin reactions, particularly in individuals sensitive to sesquiterpene lactones, which are common in the Asteraceae plant family. Symptoms may include skin redness, itching, and localized inflammation upon contact with the plant material. Those with known allergies to plants in the daisy family (Asteraceae) should avoid this herb entirely. Discontinue use immediately if any adverse skin reactions occur and seek medical attention if symptoms persist or worsen.

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Dittrichia viscosa is a perennial Mediterranean herb used in traditional medicine for various conditions, including inflammation, wounds, and cancer [PMID:39035692, 35408507].

Background

Dittrichia viscosa (also known as Inula viscosa) is a ruderal plant species that grows abundantly in arid and marginal areas, such as roadsides, and is highly adaptable to extreme environmental conditions and heavy metal pollution [PMID:39599445, 37447060, 37372075].

Traditional uses

It has been used for generations in traditional medicine to treat diabetes, hypertension, cancer, microbial disorders, inflammatory conditions, wound healing [PMID:39035692], hematomas, and skin disorders [PMID:31143772]. In Morocco, fresh leaves are crushed for topical application on burns, wounds, and infections [PMID:37866421]. It is also used for 'calming purposes' [PMID:35256610].

Active compounds

The plant contains flavonoids [PMID:17402102], phenolics [PMID:39599445], and caffeic acid derivatives [PMID:35408507]. Specific identified compounds include caffeic acid, rosmarinic acid, rutin, and quercetin [PMID:35337087], as well as isocostic acid and ilicic acid [PMID:21754752, 22259450]. Root extracts are enriched with chlorogenic acid and cynarine [PMID:35256610].

Mechanism of action

A root extract fraction ('K') demonstrated antidepressant-like effects by reducing 5-hydroxyindoleacetic acid (5-HIAA) and slightly increasing 5-hydroxytryptamine (5-HT) in the prefrontal cortex and hippocampus, suggesting potential inhibition of monoamine oxidase-A or the serotonin uptake transporter [PMID:35256610].

Clinical evidence

Evidence DWound Healing (Burns)

Lipidic extracts and ointments (2.5% and 5%) showed wound-healing activity in rat and mice models [PMID:37866421, 31143772]. A combination ointment with Marrubium vulgare accelerated burn wound healing and showed analgesic and anti-inflammatory effects [PMID:35337087].

Evidence DCancer

Methanolic extracts showed promising cytotoxic activity against human breast cancer cell lines MCF-7 and MDA-MB-468 without cytotoxicity toward normal PBMCs [PMID:35408507]. Other studies noted antiproliferative and cytotoxic properties [PMID:39599445, 34015367].

Evidence DMicrobial Infections

Extracts demonstrated antibacterial activity against Proteus mirabilis, Bacillus subtilis, Staphylococcus aureus, and Escherichia coli, as well as antifungal activity against Candida species and Alternaria alternata [PMID:35408507, 37866421, 37372075, 28665341].

Evidence DDepression

A specific root extract fraction ('K') reduced immobility time in the forced swim test in a mouse model, showing effects comparable to paroxetine [PMID:35256610].

Evidence DDiabetes/Glycemic Control

Methanolic extracts showed potent in vitro inhibitory activity against α-amylase and α-glucosidase and an antiglycation effect [PMID:35408507].

Safety & adverse effects

One case report describes airborne contact dermatitis resulting from Dittrichia viscosa [PMID:25898702].

Evidence summary

The current evidence is primarily based on in vitro studies and animal models (Level D). While there is strong pharmacological support for antioxidant, antimicrobial, and cytotoxic activities, clinical trials in humans are lacking.

PubMed sources

1.PMID: 21754752 (2011) — 3-(4-Chloro-phen-yl)-1-[(2R,4aR,8aR)-4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl]prop-2-en-1-one. · Acta crystallographica. Section E, Structure reports online
2.PMID: 21754232 (2011) — 1-(4a,8-Dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl)-3-phenyl-prop-2-en-1-one. · Acta crystallographica. Section E, Structure reports online
3.PMID: 21522737 (2010) — 3-[4-(Dimethyl-amino)-phen-yl]-1-(4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl)prop-2-en-1-one. · Acta crystallographica. Section E, Structure reports online
4.PMID: 22904849 (2012) — Methyl 2-(4a,8-Dimethyl-7-oxodeca-hydro-naphthalen-2-yl)acrylate. · Acta crystallographica. Section E, Structure reports online
5.PMID: 22259450 (2012) — Methyl 2-(8a-hy-droxy-4a-methyl-8-methyl-enedeca-hydro-naphthalen-2-yl)acrylate.

Dittrichia viscosa

Sources & Citations

Calculate a safe dose of Dittrichia viscosa