BOTANICAL IDENTITY
The right name is the first step.
Also known as: No synonyms listed.
A common name and photograph do not guarantee identification. Check the botanical name and part indicated on a traceable product.
An illustration is not enough to identify a plant for consumption. Do not forage for a species based solely on this profile.
01 · UNDERSTAND
Properties & uses.
Cough associated with the common cold
Use of the monographed group; the source does not demonstrate a benefit specific to each species.
Read the sourceThe traditional uses described are not clinical proof of effectiveness. Evidence for one preparation cannot automatically be applied to another.
02 · UNDERSTAND THE ACTION
How does the plant act?
Curlycup gumweed has its own research on respiratory cells. This complements the traditional scope of cough associated with the common cold without turning it into clinical evidence. Cells may be human while being studied only in the laboratory: “human cells” does not mean “treated patients”.
Constituents to know.
Their presence and quantity depend on the plant part and preparation.
- Grindelic acid
- Diterpene studied alongside a G. squarrosa extract. Testing the molecule separately helps explore a possible contribution, without reducing the whole plant to it.Read the reference
Respiratory inflammatory response
The work examines LPS response pathways, including TLR-4 and cytokine production in epithelial cells and macrophages. This model does not reproduce a cold-related cough in its entirety.
Read the referenceWhat this means for preparation.
The assessment concerns identified aerial parts and preparations. A syrup combining several plants would not by itself allow the contribution of gumweed to be measured.
03 · EXAMINE THE EVIDENCE
What the research shows.
A laboratory or animal result alone does not demonstrate a benefit in humans. Each result must be read alongside the preparation studied and its limitations.
Airway cell models
- Type of research
- In vitro study on human nasal and bronchial cells and macrophages
- Preparation concerned
- G. squarrosa extract and grindelic acid.
- Observed results
- Modulation of pro-inflammatory functions in the systems tested.
- Limitations to consider
- No trial here measures cough duration or complications of an infection. The experimental concentration does not provide a dose for use.
What can we take from this?
This research lead does not allow grindelia to be presented as an antibiotic, asthma treatment or corticosteroid equivalent.
Documentary review dated 09/10/2026. The references remain available to check the context.
04 · CHOOSE A PREPARATION
One plant, several preparations.
Only forms documented in this profile’s sources are presented.
InfusionFlowering aerial parts · Route: oral
Preparation described in the shared monograph.
Please note: Follow the product's package leaflet; concentrations are not interchangeable.
Read the sourceTinctureFlowering aerial parts · Route: oral
Preparation described in the shared monograph.
Please note: Alcohol; follow the leaflet and do not extrapolate a herbal tea dose.
Read the source05 · BEFORE ANY USE
Precautions & contraindications.
This guidance does not cover every individual situation. Missing information is not a guarantee of safety.
Contraindications
- Allergy to Asteraceae.
Medicine interactions
- The selected data do not allow compatibility with your treatments to be guaranteed. Ask a pharmacist to check.
Adverse effects
- Digestive irritation is possible.
Pregnancy & breastfeeding
Pregnancy and breastfeeding: medicinal use is not recommended; insufficient data.
Children & adolescents
Medicinal use is not recommended under 18 years; insufficient data.
If symptoms persist, worsen or are unusual, consult a healthcare professional. In an emergency, contact the emergency services.
06 · PUTTING KNOWLEDGE INTO PRACTICE
Preparations & recipes.
No home recipe is provided in this profile. For an appropriate preparation, refer to the product leaflet and ask your pharmacist for advice.
07 · CHECK THE SOURCES
Sources for this profile.
- EMA — grindeliae herbaAccessed on 09/10/2026
- EMA — assessment of grindeliaAccessed on 09/10/2026
- Gierlikowska et al. — Grindelia squarrosa and inflammatory functions of respiratory cells (2021)Accessed on 09/10/2026
Illustration: Cory Maylett (2005) — Wikimedia Commons · CC BY-SA 3.0. View the original image and its licence. Image resized and converted to WebP.
A TOUCH OF SOLÉA
Myriam’s tip
Myriam is reviewing the tip for this profile.
Myriam
