Cautions: Some medications are changed and broken down by the liver. Peppermint oil might decrease how quickly the liver breaks down some medications. Medications changed by the liver: Cyclosporine (Neoral, Sandimmune), amitriptyline (Elavil), haloperidol (Haldol), ondansetron (Zofran), propranolol (Inderal), theophylline (Theo-Dur, others), verapamil (Calan, Isoptin, omeprazole (Prilosec), lansoprazole (Prevacid), and pantoprazole (Protonix); diazepam (Valium); carisoprodol (Soma); nelfinavir (Viracept) diclofenac (Cataflam, Voltaren), ibuprofen (Motrin), meloxicam (Mobic), and piroxicam (Feldene); celecoxib (Celebrex); amitriptyline (Elavil); warfarin (Coumadin); glipizide (Glucotrol); losartan (Cozaar) lovastatin (Mevacor), ketoconazole (Nizoral), itraconazole (Sporanox), fexofenadine (Allegra), triazolam (Halcion)
People with gallbladder disease, severe liver damage, gallstones and chronic heartburn should avoid the intake of peppermint oil.
NAHA Safety Note for Peppermint Essential Oil: Avoid use on children under 30 months of age. Direct application of peppermint oil to the nasal area or chest to infants should be avoided because of the risk of apnea, laryngeal and bronchial spasms, acute respiratory distress with cyanosis and respiratory arrest. Do not apply undiluted peppermint essential oils to the feet, particularly on infants and children under the age of 12.
View Essential Oil FAQ, Contraindications, and other information HERE.