Complementary/Alternative Medicine: This monograph describes a natural or herbal product that is not subject to FDA guidelines for medicines. Patients and clinicians are advised to read package labels carefully to ensure safe and efficacious use.


Trade Name(s)

  • Lavandula angustifolia
  • alhucema

Ther. Class.

hair regrowth stimulants


Common Uses

  • Alopecia areata.
  • Depression.
  • Insomnia.


Lavender decreases EEG potentials and decreases alertness and seems to induce relaxation and sedation. Lavender's stimulant effect on hair growth is not fully understood.

Therapeutic Effect(s):

  • Improved hair growth.
  • Improved sleep.


Absorption: Unknown

Distribution: Unknown

Metabolism and Excretion: Unknown

Half-life: Unknown


PO, topicalunknownunknownunknown


Contraindicated in:

  • Hypersensitivity.
  • Pregnancy.

Use Cautiously in:

  • Children (topical use in prepubertal boys may result in gynecomastia).
  • Discontinue use 2 wk prior to elective surgical procedures (additive CNS depressant effects with anesthetic agents).

Adverse Reactions/Side Effects

CNS: headache

Derm: dermatitis (with topical use)

GI: constipation, increased appetite

Endo: gynecomastia (with topical use in prepubertal boys)

* CAPITALS indicate life-threatening.
Underline indicate most frequent.


Natural Drug Interaction

Lavender can potentiate the therapeutics effects of  barbiturates, and CNS depressants..




PO (Adults):  Depression –60 drops/day tincture of lavender (1:5 in 50% alcohol) for 4 weeks.

Topical (Adults): Alopecia areata– 3 drops (108 mg) of lavender oil.

Inhaln (Adults): Insomnia– vaporized lavender oil has been used as aromatherapy.


Dried flower
Essential oil


  • Assess mood and sleep pattern periodically during therapy.

Lab Test Considerations:

Monitor lipid levels and coagulation panel periodically during therapy.

Potential Diagnoses

  • Sleep deprivation (Indications) 


  • PO Diluted tincture may be taken in alcohol or tea.
  • Topical  Combine with other essential oils and massage into scalp nightly for 2 minutes with a warm towel around head to increase absorption.

Patient/Family Teaching

  • Instruct patient to dilute and take as directed. Undiluted essential oil of lavender may be poisonous if taken by mouth.
  • Instruct patient in correct technique for use for alopecia.
  • Advise female patient to notify health care professional if pregnancy is planned or suspected or if breastfeeding.

Evaluation/Desired Outcomes

  • Improvement in sleep pattern and mood.
  • Reduction of alopecia.
lavender is a sample topic from the Davis's Drug Guide.

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