Lomatium's therapeutic uses

  • DEFINITION: Natural plant product used to treat specific health conditions.
  • PRINCIPAL PROPOSED USE: Antiviral
  • OTHER PROPOSED USES: Acute bronchitis, colds and influenza, herpes, human immunodeficiency virus infection support, sinusitis, viral hepatitis, skin conditions, pain relief, digestive support, immune support

Overview

An herb with bright yellow, umbrella-shaped flowers, lomatium was widely used among Indigenous peoples of North America to treat a variety of infections, especially those involving the lungs. Reportedly, the use of this herb protected the Washoe nation of Nevada from suffering any deaths during the 1918/1919 worldwide pandemic of influenza. It was also said to be useful for pneumonia and tuberculosis.

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Therapeutic Dosages

Lomatium is typically used as a resin-free extract, taken in 1 to 3 milliliters daily doses.

Therapeutic Uses

Some herbalists regard Lomatium as an effective treatment for many types of viral infection, including human immunodeficiency virus (HIV), viral hepatitis, colds and flu, acute bronchitis, sinusitis, and herpes. However, there is no meaningful scientific evidence that lomatium is helpful for these conditions or has any antiviral effects. Its alleged effects in the great influenza pandemic of 1918/1919 cannot be taken as meaningful evidence of benefit; like all other great plagues, the influenza pandemic gave rise to innumerable rumors of cures, none of which have held up to scientific testing.

At most, there is exceedingly weak evidence from a few test-tube studies hinting that Lomatium species might have antiviral properties. However, tens or hundreds of thousands of substances have shown antiviral effects in the test tube; the benefits hypothesized from preliminary test-tube studies rarely hold up when human studies are performed. Only double-blind, placebo-controlled studies can show a treatment effective, and no studies of this type have been performed on lomatium. However, because of lomatium’s perceived antiviral properties, it became mentioned as an alternative treatment during the COVID-10 pandemic of the early 2020s.

Still, lomatium continues to be suggested for various therapeutic uses. Beyond respiratory issues, it is recommended for skin conditions, such as wounds and burns, when applied topically. Lomatium's antimicrobial properties may help treat skin infections such as boils and sores. Lomatium has been suggested as an alternative pain reliever to treat general pain, headaches, and toothaches. Some use lomatium to relieve digestive upset, such as indigestion and diarrhea. Finally, lomatium is believed to have general immune system boosting powers. None of these proposed therapeutic uses can be backed up with scientific evidence, and additional study is necessary.

Safety Issues

Lomatium has not undergone any modern safety testing. Reportedly, lomatium resin frequently causes allergic reactions, leading to a whole-body rash; this is why resin-free products are sold. In addition, lomatium may cause digestive distress. Safety in young children, pregnant or nursing women, and persons with severe liver or kidney disease has not been evaluated.

Bibliography

Hasen, Gemmachu. "Repurposing of Herbal Medicine Used for the Treatment of Respiratory Infections to Aid the Control of COVID-19 Pandemic." International Journal of Complementary & Alternative Medicine, vol. 14, no. 3, 2021, pp. 97-98, DOI:10.15406/ijcam.2021.14.00539. Accessed 3 Oct. 2024.

Lee, T. T., et al. "Suksdorfin: An Anti-HIV Principle from Lomatium suksdorfii, Its Structure-Activity Correlation with Related Coumarins, and Synergistic Effects with Anti-AIDS Nucleosides." Bioorganic and Medicinal Chemistry, vol. 2, 1995, pp. 1051-1056.

"Lomatium – Health Information Library." PeaceHealth, 24 Mar. 2015, www.peacehealth.org/medical-topics/id/hn-2126009. Accessed 3 Oct. 2024.

Marshall, Kenneth D., and Stephen L. Thornton. "Worse than the Disease? The Rash of Lomatium Dissectum." Kansas Journal of Medicine, vol. 11, no. 2, 2018, pp. 54-55, www.ncbi.nlm.nih.gov/pmc/articles/PMC5962321. Accessed 3 Oct. 2024.

McCutcheon, A. R., et al. "Antiviral Screening of British Columbian Medicinal Plants." Journal of Ethnopharmacology, vol. 49, 1996, pp. 101-110.