Plant Comparison

Wild Lettuce vs Goldenrod

A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.

First plant
Second plant
Show:
Plant AWild LettuceLactuca virosaAsteraceaeFull monograph →
Plant BGoldenrodSolidago virgaureaAsteraceaeFull monograph →

At a glance

Wild Lettuce and Goldenrod: both belong to the Asteraceae family.

Wild LettuceGoldenrod
Constituents23
Pharmacological actions44
Indicated uses87
Safety notes22
Cited sources1417
Indicated uses
Only Wild Lettuce
AnxietyBack painCoughHeadacheInsomnia / sleeplessnessNervous tensionPain (general)Stress
Shared (0)
none
Only Goldenrod
Arthritis / joint painCancer (anticancer research)Inflammation (general)Skin irritationSwelling / fluid retentionUrinary supportUrinary tract infection (UTI)
Pharmacological actions
Only Wild Lettuce
Analgesic (pain relief)Antitussive (cough suppressant)Anxiolytic / calmingSedative / sleep support
Shared (0)
none
Only Goldenrod
Anti-inflammatoryAnticancer (preclinical)AntioxidantDiuretic

Key Constituents

Sesquiterpene lactones (lactucin, lactucopicrin)[4, 11, 12]

Bitter, centrally-active constituents responsible for the sedative and pain-relieving effects; isolated lactucin and lactucopicrin produced analgesia comparable to ibuprofen and sedation in rodent tests.

Sesquiterpene lactonesSesquiterpenes
Lactucarium (the dried milky latex)[11]

The historical medicinal preparation, concentrating the active lactones.

Saponins[12]

Studied constituents of the aerial parts.

Saponins
Flavonoids (quercetin, rutin)[1]

Contribute to antioxidant and anti-inflammatory activity.

FlavonoidsQuercetinRutin
Phenolic acids and diterpenes[1]

Minor supporting constituents.

Phenolic acids

Pharmacological Actions

Analgesic (pain relief)[4, 6, 11, 12]

Mild analgesic / anodyne for pain (lactucin and lactucopicrin act on the central nervous system) - in mice these compounds produced analgesia comparable to ibuprofen

Antitussive (cough suppressant)[5, 11]

Antitussive for an irritable, dry cough (traditional)

Anxiolytic / calming[11]

Calming for nervous tension and restlessness

Sedative / sleep support[4, 6, 7, 8, 11]

Sedative for sleeplessness / insomnia - lactucin and lactucopicrin showed sedative activity in animal models

Anti-inflammatory[1, 2, 3, 6, 11, 12, 13]
Anticancer (preclinical)[6]
Antioxidant[1, 5, 8, 9, 11, 12, 13]
Diuretic[1, 4, 11, 12, 13]

Traditional & Indicated Uses

Anxiety[11]Traditional · 1/10

inferred from anxiolytic action

Evidence: 1
Label: Anxiety
Back pain[4, 11, 12]Traditional · 2/10

inferred from analgesic action

Evidence: 2
Label: Back pain
Cough[11]Traditional · 1/10

Antitussive for an irritable, dry cough (traditional)

Evidence: 1
Label: Cough
Headache[4, 11, 12]Traditional · 2/10

inferred from analgesic action

Evidence: 2
Label: Headache
Insomnia / sleeplessness[4, 11]Traditional · 2/10

Sedative for sleeplessness / insomnia - lactucin and lactucopicrin showed sedative activity in animal models

Evidence: 2
Label: Insomnia / sleeplessness
Nervous tension[11]Traditional · 1/10

Calming for nervous tension and restlessness

Evidence: 1
Label: Nervous tension
Pain (general)[4, 11, 12]Traditional · 2/10

Mild analgesic / anodyne for pain (lactucin and lactucopicrin act on the central nervous system) - in mice these compounds produced analgesia comparable to ibuprofen

Evidence: 2
Label: Pain (general)
Stress[11]Traditional · 1/10

inferred from anxiolytic action

Evidence: 1
Label: Stress
Arthritis / joint pain[11, 12, 13]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Arthritis / joint pain
Cancer (anticancer research)[6]Traditional · 2/10

inferred from anticancer action

Evidence: 2
Label: Cancer (anticancer research)
Inflammation (general)[2, 11, 12, 13]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Inflammation (general)
Skin irritation[11, 12, 13]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Skin irritation
Swelling / fluid retention[11, 12, 13]Traditional · 1/10

inferred from diuretic action

Evidence: 1
Label: Swelling / fluid retention
Urinary support[1, 4, 11, 12, 13]Good · 7/10
Evidence: 7
Label: Urinary support
Urinary tract infection (UTI)[4, 11, 12, 13]Traditional · 2/10

inferred from diuretic action

Evidence: 2
Label: Urinary tract infection (UTI)

Safety, Cautions & Contraindications

Safety note[12]Info

Can be unsafe in large amounts or if harvested too early: overdose can cause sweating, fast heartbeat, dilated pupils, dizziness, ringing in the ears, vision changes, heavy sedation, breathing difficulty and, in extreme cases, death.

Safety note[11, 12]Caution

Its sedative effect can add to that of sedatives and alcohol - avoid combining and do not use before driving. As a daisy-family (Asteraceae) plant it can cause allergy; avoid in pregnancy and breastfeeding.

Safety note[11, 12, 13]Caution

Generally well tolerated. Not recommended in cases of fluid retention due to impaired cardiac or renal function. Ensure adequate fluid intake when using as a diuretic. May cause allergic reactions in individuals sensitive to Asteraceae plants. Avoid use during pregnancy and breastfeeding due to limited safety data.

Safety note[11, 12, 13, 14]Caution

Duke (2002) provides clinical evidence (score 2) for goldenrod's anti-inflammatory activity, consistent with Commission E approval. It is also classified as an aquaretic (increases urine output without electrolyte loss) and antispasmodic, used for urinary tract irrigation therapy. Dose: 6–12 g dried herb daily as tea for urinary complaints. Duke cautions against use in cases of edema from renal or cardiac insufficiency, and notes that the herb may cause allergic reactions in individuals sensitive to Asteraceae plants (Duke, 2002).

External Ids

Gbif: 3140346
Wikidata: Q578927
Gbif: 6446462
Wikidata: Q599435

Botanical Description

Tall, bristly biennial herb with a milky latex throughout, and prickly-edged, often blue-green leaves that tend to twist to align edge-on with the sun ('compass plant' habit). Small, pale yellow, dandelion-like flower heads are borne in loose branched clusters atop a tall, spiny-stemmed flowering stalk.[11]

Height: 1-2 m
Habit: Tall, bristly biennial herb; low rosette in year one, tall flowering stem in year two
Leaves: Prickly-edged, often blue-green, sometimes twisting edge-on to the sun
Flowers: Small, pale yellow, dandelion-like flower heads in loose branched clusters
Stem: Tall, spiny, exuding milky white latex when cut
Root: Taproot
Fruit: Small achene with a feathery pappus
Flowering Period: July-September (second year)

Perennial herb (Asteraceae), 20-100 cm tall, with erect, often reddish, downy or smooth stems. Leaves are alternate, lance-shaped and toothed. Numerous small, bright yellow, daisy-like flower heads are clustered into branched, plume-like terminal sprays, followed by small ribbed achenes with a tuft of hairs (pappus).[1]

Height: 20-100 cm
Habit: Erect perennial herb
Leaves: Alternate, lance-shaped, toothed
Flowers: Small, bright yellow, daisy-like, in branched plume-like sprays
Stem: Erect, often reddish, downy or smooth
Root: Fibrous perennial rootstock
Fruit: Small ribbed achenes with a hairy pappus
Flowering Period: July-October

Habitat

Grows on dry waste ground, roadsides, hedgerows and disturbed soil; native to Europe, North Africa and Western Asia and naturalised in North America.

Native throughout Europe and temperate Asia, growing on dry grassland, woodland clearings, heaths and rocky ground; less aggressively spreading than the North American Solidago canadensis, with which it is sometimes confused.[1, 11]

Harvesting

The milky latex is traditionally collected by scoring the flowering stem and letting the exuded sap dry into lactucarium; the aerial parts (leaf and stem) are also cut and dried while the plant is flowering.[11]

Parts: Aerial parts and dried latex (lactucarium)
Season: Flowering (second year); latex collected by scoring the stem

The flowering aerial parts are cut during flowering (late summer) and dried.[11]

Parts: Flower, Leaf, Stem
Season: Late summer, during flowering

Traditional Uses

Wild lettuce has a long folk history, reflected in the name 'opium lettuce', as a mild sedative and analgesic remedy for insomnia, nervous tension and pain, and as an antitussive for irritable dry cough, its dried latex (lactucarium) once used as a milder, non-addictive alternative to opium.[11]

Goldenrod has a long European folk-medicine tradition as a mild 'aquaretic' diuretic and anti-inflammatory remedy for the urinary tract, used traditionally for urinary-tract irrigation therapy alongside adequate fluid intake, and topically as a wound herb (one common name is 'woundwort'). Modern phytochemical work confirms saponin- and flavonoid-driven anti-inflammatory, antioxidant and diuretic activity.[1, 11]

Preparations

Infusion[11]

Dried aerial parts infused in hot water as a traditional calming, sleep-supporting tea.

Lactucarium (historical)[12]

Dried milky latex, the classic historical preparation, used cautiously given its overdose toxicity.

Infusion (tea)[11]

Dried aerial parts steeped in hot water - the classic urinary-tract preparation.

Dosage

Infusion[12]

Because of documented overdose toxicity (rapid heartbeat, heavy sedation, breathing difficulty), only conservative traditional herbal doses should be used and this herb should not be self-dosed at concentrated or extract strength without professional guidance. Educational reference only, not a prescription.

Infusion (tea)[11, 12, 13]

Duke (2002): about 6-12 g dried herb daily as tea for urinary complaints. Educational reference only, not a prescription; avoid in fluid retention from cardiac or renal impairment.

References

REF-0854, REF-0855, REF-0856, REF-0622, REF-2059, REF-2060, REF-2061, REF-2062, REF-2063, REF-2064
REF-1045, REF-1046, REF-1047, REF-1048, REF-1049, REF-1050, REF-1051, REF-1052, REF-1053, REF-1054

Drug Class Interactions

Safety note[13, 14]Caution
Drug Class: sedatives-cns-depressants
Mechanism: Wild lettuce is traditionally used as a calming, sedative herb; taken with sedatives, sleeping tablets or other central-nervous-system depressants (including alcohol) it may add to drowsiness and slowed reactions.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

Not documented

Lookalikes Review

Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07
Outcome: has-lookalikes
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

Dangerous Lookalikes

Not documented

Safety note[15, 16, 17]Dangerous
Dangerous Plant: jacobaea-vulgaris
Confused Part: Yellow-flowered plant gathered for its flowering tops; toxic ragwort shares the yellow colour and the same rough grassland.
Confusion Context: Goldenrod (Solidago virgaurea) is gathered for its yellow flowering tops. As foraging guidance notes, goldenrod has toxic look-alikes - notably ragwort (Jacobaea vulgaris / Senecio jacobaea), a yellow-flowered weed of the same rough grassland. Ragwort contains hepatotoxic pyrrolizidine alkaloids that cause cumulative liver damage and can be fatal, with highest risk once the plant is cut or dried into herbal material or hay. Because both are yellow-flowered plants of the same ground, correct identification matters before gathering.
Distinguishing Features: Flowers (decisive): goldenrod carries many tiny flower heads packed into a plume or spray. Ragwort has larger, open, daisy-like yellow flowers (with about 13 spreading ray petals) in flat-topped clusters, and fewer heads., Leaves: goldenrod leaves are simple, lance-shaped and toothed; ragwort leaves are blunter, deeply lobed and ruffled ('kale-like')., Timing: ragwort tends to flower earlier than goldenrod.
Key Test: Look at the flower heads. Many tiny florets in a feathery plume on a leafy stem = goldenrod. Larger open daisy-like yellow flowers with about 13 petals and ruffled lobed leaves = ragwort - liver-toxic, do not gather it.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

References & Sources

  1. Ullah, M.I., Anwar, R., Kamran, S., Gul, B. et al (2022) 'Evaluation of the Anxiolytic and Anti-Epileptogenic Potential of Lactuca serriola Seed Using Pentylenetetrazol-Induced Kindling in Mice and Metabolic Profiling of Its Bioactive Extract', Antioxidants (Basel), 11(11), pp. 2232. doi:10.3390/antiox11112232 Preclinical
    https://doi.org/10.3390/antiox11112232
  2. Lee, M., Park, J., Cho, W., Jun, Y. et al (2024) 'Lactuca L. Extract Enhances Sleep Duration Through Upregulation of Adenosine A1 Receptor and GABA-A Receptor Subunits in Pentobarbital-Injected Mice', Journal of Medicinal Food, 27(7), pp. 661-668. doi:10.1089/jmf.2023.K.0250 Preclinical
    https://doi.org/10.1089/jmf.2023.K.0250
  3. Paulsen, E. and Andersen, K.E (2015) 'Lettuce contact allergy', Contact Dermatitis, 74(2), pp. 67-75. doi:10.1111/cod.12458 Traditional / reference
    https://doi.org/10.1111/cod.12458
  4. Wesolowska, A., Nikiforuk, A., Michalska, K., Kisiel, W. and Chojnacka-Wojcik, E (2006) 'Analgesic and sedative activities of lactucin and some lactucin-like guaianolides in mice', Journal of Ethnopharmacology, 107(2), pp. 254--258. doi:10.1016/j.jep.2006.03.003 Preclinical
    https://doi.org/10.1016/j.jep.2006.03.003
  5. Gumprecht, T (1815) 'On the use of the Lactuca Virosa, in Hooping-Cough', Medico-Chirurgical Transactions, 6, pp. 608-617. doi:10.1177/095952871500600125 Traditional / reference
    https://doi.org/10.1177/095952871500600125
  6. Trojanowska, A (2005) 'Lettuce, Lactuca sp., as a medicinal plant in Polish publications of the 19th century', Kwartalnik Historii Nauki i Techniki, 50(3-4), pp. 123-134. Traditional / reference
    https://scholar.google.com/scholar?q=Lettuce%2C%20Lactuca%20sp.%2C%20as%20a%20medicinal%20plant%20in%20Polish%20publications%20of%20the%2019th%20century
  7. Spadari, M., Pommier, P., Canioni, D., Arditti, J., David, J.M. and Valli, M (2003) 'Abuse of Lactuca virosa', Presse Medicale, 32(15), pp. 702-703. Preclinical
    https://scholar.google.com/scholar?q=Abuse%20of%20Lactuca%20virosa
  8. Lo Faro, A.F., Di Trana, A., La Maida, N., Tagliabracci, A., Giorgetti, R. and Busardo, F.P (2019) 'Biomedical analysis of New Psychoactive Substances (NPS) of natural origin', Journal of Pharmaceutical and Biomedical Analysis, 179, pp. 112945. doi:10.1016/j.jpba.2019.112945 Meta-analysis / review
    https://doi.org/10.1016/j.jpba.2019.112945
  9. Besharat, S., Besharat, M. and Jabbari, A (2009) 'Wild lettuce (Lactuca virosa) toxicity', BMJ Case Reports, 2009, pp. bcr0620080134. doi:10.1136/bcr.06.2008.0134 Preclinical
    https://doi.org/10.1136/bcr.06.2008.0134
  10. Stojakowska, A., Malarz, J. and Kisiel, W (1994) 'Sesquiterpene Lactones in Tissue Culture of Lactuca virosa', Planta Medica, 60(1), pp. 93-94. doi:10.1055/s-2006-959419 Preclinical
    https://doi.org/10.1055/s-2006-959419
  11. Herbal Reality (n.d.) 'Wild Lettuce (Lactuca virosa): Benefits, Uses, Safety'. Available at: https://www.herbalreality.com/herb/wild-lettuce/ Traditional / reference
    https://www.herbalreality.com/herb/wild-lettuce/
  12. RxList (n.d.) 'Wild Lettuce: Health Benefits, Side Effects, Uses, Dose & Precautions'. Available at: https://www.rxlist.com/supplements/wild_lettuce.htm Traditional / reference
    https://www.rxlist.com/supplements/wild_lettuce.htm
  13. Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2024) 'Therapeutic potential of hypnotic herbal medicines: A comprehensive review', Phytotherapy Research, 38(6), pp. 3037-3059. doi:10.1002/ptr.8201 Meta-analysis / review
    https://doi.org/10.1002/ptr.8201
  14. Block, K.I., Gyllenhaal, C. and Mead, M.N (2004) 'Safety and efficacy of herbal sedatives in cancer care', Integrative Cancer Therapies, 3(2), pp. 128-148. doi:10.1177/1534735404265003 Meta-analysis / review
    https://doi.org/10.1177/1534735404265003
  1. Fursenco, C., Calalb, T., Uncu, L., Dinu, M. and others (2020) 'Solidago virgaurea L.: A Review of Its Ethnomedicinal Uses, Phytochemistry, and Pharmacological Activities', Biomolecules, 10(12), pp. 1619. doi:10.3390/biom10121619 Meta-analysis / review
    https://doi.org/10.3390/biom10121619
  2. Abdel Motaal, A., Ezzat, S.M., Tadros, M.G. and El-Askary, H.I (2016) 'In vivo anti-inflammatory activity of caffeoylquinic acid derivatives from Solidago virgaurea in rats', Pharmaceutical Biology, 54(12), pp. 2864-2870. doi:10.1080/13880209.2016.1190381 Preclinical
    https://doi.org/10.1080/13880209.2016.1190381
  3. Précheur, I., Rolland, Y., Hasseine, L., Orange, F. and others (2020) 'Solidago virgaurea L. Plant Extract Targeted Against Candida albicans to Reduce Oral Microbial Biomass: A Double Blind Randomized Trial on Healthy Adults', Antibiotics, 9(4), pp. 137. doi:10.3390/antibiotics9040137 Randomized trial
    https://doi.org/10.3390/antibiotics9040137
  4. Wojnicz, D., Tichaczek-Goska, D., Glensk, M. and Hendrich, A.B (2021) 'Is It Worth Combining Solidago virgaurea Extract and Antibiotics against Uropathogenic Escherichia coli Rods? An In Vitro Model Study', Pharmaceutics, 13(4), pp. 573. doi:10.3390/pharmaceutics13040573 Preclinical
    https://doi.org/10.3390/pharmaceutics13040573
  5. El-Tantawy, W.H (2013) 'Biochemical effects of Solidago virgaurea extract on experimental cardiotoxicity', Journal of Physiology and Biochemistry, 70(1), pp. 33-42. doi:10.1007/s13105-013-0277-0 Preclinical
    https://doi.org/10.1007/s13105-013-0277-0
  6. Gross, S.C., Goodarzi, G., Watabe, M., Bandyopadhyay, S. and others (2002) 'Antineoplastic activity of Solidago virgaurea on prostatic tumor cells in an SCID mouse model', Nutrition and Cancer, 43(1), pp. 76-81. doi:10.1207/S15327914NC431_9 Preclinical
    https://doi.org/10.1207/S15327914NC431_9
  7. Starks, C.M., Williams, R.B., Goering, M.G., O'Neil-Johnson, M. and others (2010) 'Antibacterial clerodane diterpenes from Goldenrod (Solidago virgaurea)', Phytochemistry, 71(1), pp. 104-109. doi:10.1016/j.phytochem.2009.09.032 Preclinical
    https://doi.org/10.1016/j.phytochem.2009.09.032
  8. Malicanin, M., Karabegovic, I., Dordevic, N., Mancic, S. and others (2024) 'Influence of the Extraction Method on the Biological Potential of Solidago virgaurea L. Essential Oil and Hydrolates', Plants, 13(16), pp. 2187. doi:10.3390/plants13162187 Preclinical
    https://doi.org/10.3390/plants13162187
  9. Zehra, S.A., Bhattarai, P., Zhang, J., Liu, Y. and others (2022) 'Phytochemical Analysis and Evaluation of the Antidiabetic Activity of Solidago virgaurea Extracts', Current Bioactive Compounds, 19(4), pp. e150622206146. doi:10.2174/1573407218666220615143502 Preclinical
    https://doi.org/10.2174/1573407218666220615143502
  10. Jang, Y.S., Wang, Z., Lee, J.M., Lee, J.Y. and others (2016) 'Screening of Korean Natural Products for Anti-Adipogenesis Properties and Isolation of Kaempferol-3-O-rutinoside as a Potent Anti-Adipogenetic Compound from Solidago virgaurea', Molecules, 21(2), pp. 226. doi:10.3390/molecules21020226 Preclinical
    https://doi.org/10.3390/molecules21020226
  11. European Medicines Agency (2008) 'Community herbal monograph on Solidago virgaurea L., herba'. Traditional / reference
    https://scholar.google.com/scholar?q=Community%20herbal%20monograph%20on%20Solidago%20virgaurea%20L.%2C%20herba
  12. Bader, G., Binder, K., Hiller, K. and Zwintscher, U (1990) 'The saponins from Solidago virgaurea L', 45(8), pp. 618--622. Traditional / reference
    https://scholar.google.com/scholar?q=The%20saponins%20from%20Solidago%20virgaurea%20L
  13. Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
    https://powo.science.kew.org
  14. Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
    https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition
  15. Grow Forage Cook Ferment 'Foraging Goldenrod (Solidago): Identification and Uses'. Available at: https://www.growforagecookferment.com/foraging-goldenrod/ Traditional / reference
    https://www.growforagecookferment.com/foraging-goldenrod/
  16. Washington State Noxious Weed Control Board 'Tansy Ragwort (Senecio jacobaea)'. Available at: https://www.nwcb.wa.gov/weeds/tansy-ragwort Traditional / reference
    https://www.nwcb.wa.gov/weeds/tansy-ragwort
  17. Schneider, J. and Tsegaye, Y. and W/Tensae, M. and G/Selassie, S. and Haile, T. and Bane, A. and Ali, A. and Mesfin, G. and Seboxa, T (2012) 'Veno-occlusive liver disease: a case report', Ethiopian Medical Journal, 50 Suppl 2, pp. 47-51. Available at: https://pubmed.ncbi.nlm.nih.gov/22946295/ Clinical study
    https://pubmed.ncbi.nlm.nih.gov/22946295/

Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.