Lavandula latifolia (Lavandula latifolia): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Lavandula latifolia work for pain relief?

Lavandula latifolia contains camphor (8-30%), linalool, and 1,8-cineole, which provide its analgesic and anti-inflammatory effects. Camphor acts as a counter-irritant by stimulating TRP receptors, producing a warming sensation that modulates pain signals. Linalool contributes additional anti-inflammatory and muscle-relaxant properties. These compounds work synergistically to reduce muscle tension and provide topical pain relief (Evidence Level C).

Does spike lavender interact with any medications?

Lavandula latifolia may interact with central nervous system depressants due to its sedative linalool content. The camphor component may affect liver enzyme metabolism of certain drugs. Those taking anticoagulants should exercise caution, as some compounds may influence bleeding. Always consult a healthcare provider before combining with sedatives, anticonvulsants, or blood thinners. No major clinical drug interaction studies exist (Evidence Level C).

What is the recommended dosage for Lavandula latifolia essential oil?

For topical use, dilute Lavandula latifolia essential oil to 2-3% concentration in a carrier oil (approximately 12-18 drops per ounce). For internal use as tea, 2-4 grams of dried herb per cup is traditional. Due to its high camphor content, spike lavender is more potent than common lavender and requires careful dilution. Avoid high doses internally. These recommendations are based on traditional use (Evidence Level C).

Is spike lavender safe to use during pregnancy?

Lavandula latifolia is considered unsafe during pregnancy. The high camphor content (8-30%) can stimulate uterine contractions and potentially harm the developing fetus. Internal use of the essential oil is particularly contraindicated. Pregnant women should avoid both topical application and internal use. Breastfeeding women should also avoid due to insufficient safety data. Consult a qualified healthcare provider for pregnancy-safe alternatives (Evidence Level C).

What is spike lavender essential oil used for?

Spike lavender (Lavandula latifolia) essential oil is traditionally used for respiratory infections, muscle pain, headaches, and wound healing. Its expectorant properties from 1,8-cineole help clear congestion, while camphor provides analgesic effects for sore muscles. Unlike common lavender, spike lavender has stronger antimicrobial and stimulating properties. It is commonly used in aromatherapy for respiratory support and in topical formulations for pain relief (Evidence Level C).

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

Lavandula latifolia, known as spike lavender, is an aromatic medicinal shrub cultivated worldwide for its essential oils [PMID: 16980564, PMID: 28114805]. It is used in pharmaceutical, cosmetic, and food applications due to its biological and therapeutic properties [PMID: 25761625, PMID: 28114805].

Background

Lavandula latifolia (spike lavender) is an aromatic evergreen shrub of the Lamiaceae family diffused in the Mediterranean basin [PMID: 28114805]. It is a rainfed crop produced in regions such as Southeast Spain [PMID: 37653903].

Active compounds

The essential oil is characterized by monoterpenes and terpenoids, specifically 1,8-cineole (eucalyptol), linalool, and camphor [PMID: 25761625, PMID: 26441063, PMID: 37653903, PMID: 41202180]. Other identified components include linalyl acetate, alpha-pinene, alpha-terpineol, alpha-bisabolene, and (E)-beta-caryophyllene [PMID: 26441063]. Phenolic compounds such as salvianic acid, rosmarinic acid, apigenin, and luteolin are also present [PMID: 37653903, PMID: 28911377].

Mechanism of action

The biological and therapeutic activities are primarily attributed to its terpenes (linalool, linalyl acetate) and terpenoids (1,8-cineole) [PMID: 25761625, PMID: 28114805].

Clinical evidence

Evidence BAcute viral rhinosinusitis

Tavipec (Spicae aetheroleum), a phytomedicine from L. latifolia, significantly lowered the Major Symptom Score (MSS) compared to placebo by day 8 [PMID: 31210177].

Evidence BUncomplicated acute bronchitis

Spicae aetheroleum showed a significant mean decrease in the bronchitis severity score (BSS) at day 7 and day 10 compared to placebo [PMID: 29209859].

Evidence CViral respiratory infections

Oral doses of Tavipec may provide mild to moderate symptom relief in patients with viral respiratory diseases [PMID: 32837899].

Evidence DBacterial infections (In vitro)

L. latifolia essential oil demonstrated antibacterial activity against Staphylococcus aureus, Listeria monocytogenes [PMID: 33128531], and Bacillus cereus [PMID: 41202180].

Safety & adverse effects

Oral administration of Tavipec was reported as well tolerated, with most mild to moderate side effects affecting the gastrointestinal tract [PMID: 32837899].

Pregnancy & lactation

General review of medicinal plants notes that herbal remedies can contain substances toxic to the human body and fetus, and indiscriminate use during pregnancy may lead to embryotoxicity [PMID: 33164294].

Dosage & administration

In clinical trials for rhinosinusitis, Tavipec was administered as 2 capsules (150 mg) thrice daily for 7 days [PMID: 31210177]. No PubMed data available. Consult a healthcare provider.

Evidence summary

There is moderate clinical evidence (RCTs) supporting the use of L. latifolia essential oil (as Spicae aetheroleum/Tavipec) for acute viral rhinosinusitis and acute bronchitis. In vitro evidence supports its antibacterial and antioxidant properties.

PubMed sources

1.PMID: 33164294 (2021) — Is it safe to consume traditional medicinal plants during pregnancy? · Phytotherapy research : PTR
2.PMID: 29257083 (2017) — Dynamics of Monoterpene Formation in Spike Lavender Plants. · Metabolites
3.PMID: 25761625 (2015) — Essential oils and distilled straws of lavender and lavandin: a review of current use and potential application in white biotechnology. · Applied microbiology and biotechnology
4.PMID: 33128531 (2021) — Synergistic antibacterial combination of Lavandula latifolia Medik. essential oil with camphor. · Zeitschrift fur Naturforschung. C, Journal of biosciences
5.PMID: 26441063 (2016) — Lavandula angustifolia and Lavandula latifolia Essential Oils from Spain: Aromatic Profile and Bioactivities. · Planta medica

Lavandula latifolia

Sources & Citations

Calculate a safe dose of Lavandula latifolia

Cleome Gynandra

Waltheria Indica

Crescentia Cujete

Frequently asked questions

Summary

Background

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Pregnancy & lactation

Dosage & administration

Evidence summary

PubMed sources

Government sources

Lavandula latifolia

Sources & Citations

Calculate a safe dose of Lavandula latifolia

Related Herbs

Cleome Gynandra

Waltheria Indica

Crescentia Cujete

Frequently asked questions

Summary

Background

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Pregnancy & lactation

Dosage & administration

Evidence summary

PubMed sources

Government sources