peppermint

General

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.

Pronunciation:
pep-er-mint


Trade Name(s)

  • herba menthae
  • menta piperita
  • mint

Ther. Class.
antispasmodics
analgesics

Common Uses

  • Abdominal cramps.
  • Dyspepsia.
  • Headache.

Action

Peppermint reduces slow wave frequency in the small intestine, slows peristalsis and directly relaxes gastrointestinal smooth muscle. When applied topically, it has a direct inhibitory effect on sensitized pain receptors and may act centrally to alter pain perception.

Therapeutic Effect(s):

  • Decreased gastrointestinal spasm.
  • Decreased pain sensation.

Pharmacokinetics

Absorption: Unknown

Distribution: Unknown

Metabolism and Excretion: Unknown

Half-life: Unknown

TIME/ACTION PROFILE

ONSETPEAKDURATION
POunknownunknownunknown

Contraindication/Precautions

Contraindicated in:

  • Hypersensitivity.

Use Cautiously in:

Pregnancy and lactation when using medicinal amounts (above those amounts commonly found in foods).

Adverse Reactions/Side Effects

CNS: headache

Derm: contact dermatitis, flushing

GI: heartburn, nausea, vomiting, stomatitis

Misc: allergic reactions

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

Interactions

Natural Drug Interaction

  • antacids,H2 antagonists andproton pump inhibitors may cause premature dissolution of enteric-coated peppermint products.
  • May ↑cyclosporinelevels.

Natural-Natural:

None.

Route/Dosage

PO: (Adults) Dyspepsia–1 mL of oil three times daily; Digestive disorders–0.2–0.4 mL (1–2 enteric-coated capsules) three times daily; Tea–prepare with dried leaves/250 mL boiling water: 3–4 cups daily or 1.5–3 g peppermint oil/150 mL water: 1 cup three times daily.

Topical: (Adults) Headache–10% peppermint oil in ethanol solution apply to forehead and temples, repeat after 15 and 30 minutes.

Availability

Enteric-coated capsules: 0.2 mL oil/capsule

Oil: 10%

Tea

Assessment

  • Assess pain (intensity, location, duration) prior to and periodically during therapy.

Potential Diagnoses

  • Acute pain (Indications)

Implementation

  • PO: Administer as directed.

Patient/Family Teaching

  • Instruct patient to take peppermint as directed.
  • Advise female patient to notify health care professional if pregnancy is planned or suspected or if breastfeeding.

Evaluation/Desired Outcomes

  • Decrease in abdominal pain or dyspepsia.
  • Decrease in headache pain.
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