II. Background

  1. Peppermint Oil is the extract of a hybrid of wild mint and spearmint (Mentha x piperita)

IV. Contraindications

  1. General
    1. Contraindications apply to doses listed below
    2. Tea is unlikely to cause any serious adverse effects
  2. Pregnancy
    1. May cause uterine bleeding
  3. Hiatal Hernia or severe Gastroesophageal Reflux
  4. Cholecystitis or Cholelithiasis

V. Adverse Effects

  1. Gastroesophageal Reflux
    1. Peppermint decreases LES pressure
  2. Perianal burning
  3. Blurred Vision
  4. Nausea or Vomiting

VI. Safety

  1. Unknown safety in pregnancy
  2. Unknown safety in Lactation
  3. Longterm data beyond 12 weeks is lacking

VII. Dosing

  1. Oral enteric coated oil (for gastrointestinal symptoms)
    1. Adult: 200 to 400 mg orally three times daily
    2. Child: 100 to 200 mg orally three times daily (if over age 8 years)
  2. Topical Peppermint Oil 10% (for Tension Headache)
    1. Applied to area of Headache

VIII. References

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Related Studies

Cost: Medications

menthol (on 1/18/2023 at Medicaid.Gov Survey of pharmacy drug pricing)
MENTHOL COLD-HOT 5% PATCH Generic OTC $0.71 each