tea tree oil, an herbal product taken from a species of myrtle tree native to coastal Australia. ▪ INDICATIONS: This herb is used topically for acne and fungal infections and has proven efficacy. It has also been added to warm bath water and inhaled for treatment of cough and lower respiratory disorders, but there are no reliable data regarding its efficacy in this instance. ▪ CONTRAINDICATIONS: This herb should not be used during pregnancy and lactation or in those with known hypersensitivity to this plant. Tea tree oil has been taken orally in the past, but this is not recommended due to safety concerns.
