Psoriasis

,psoriasis

�Tea tree oil is obtained by steam distillation of the leaves of Melaleuca alternifolia. Tea tree oil is purported to have antiseptic properties, and has been used traditionally to prevent and treat infections. While numerous in vitro studies have demonstrated antimicrobial properties of tea tree oil (likely attributable to the constituent terpinen-4-ol), only a small number of randomized, controlled human trials have been published. Human studies have focused on the use of topical tea tree oil for fungal infections (including onychomycosis and tinea pedis), acne, and vaginal infections. However, no definitive evidence exists for the use of tea tree oil in any of these conditions, and further study is warranted. Tea tree oil should be avoided orally, as reports of toxicity after oral ingestion have been published. When used topically, tea tree oil is reported to be mildly irritating, and has been associated with the development of allergic contact dermatitis, which may limit its potential as a topical agent for some patients.

Anti-inflammatory, antihistamine, antioxidant, antiseptic, body odor, boils, bronchial congestion, bruises, burns, carbuncles, colds, contraction cessation, corns, cough, eczema, furuncles, gangrene, immune system deficiencies, impetigo, insect bites/stings, lice, lung inflammation, melanoma, mouth sores, muscle and joint pain, nose and throat irritation, periodontal disease, psoriasis, ringworm, root canal treatment, scabies, sinus infections, skin ailments/infections, solvent, sore throat, tonsillitis, vulvovaginitis, warts, wound healing.

Tea tree oil taken by mouth is associated with potentially severe reactions, even when used in small quantities. Several reports describe people using tea tree oil by mouth who developed severe rash, reduced immune system function, abdominal pain, diarrhea, lethargy, drowsiness, inflammation of the corners of the mouth, slow or uneven walking, confusion, or coma. There have also been reports of nausea, unpleasant taste, burning sensation, and bad breath associated with tea tree oil use. Many tea tree preparations contain large volumes of alcohol.

When used on the skin, tea tree oil may cause allergic rash, redness, blistering, and itching. Use of tea tree oil inside of the mouth or eyes can cause irritation. One report describes a person with long-standing eczema (atopic dermatitis) who developed a severe flare after applying 100% tea tree oil mixed in honey to the skin. Animal research suggests that tea tree oil used on the skin in large quantities can cause serious reactions such as difficulty walking, weakness, muscle tremor, slowing of brain function, and poor coordination. When applied in the ears of animals, 100% tea tree oil has caused reduced hearing, although a 2% solution has not led to lasting changes in hearing. The effect of tea tree oil on hearing when used in the ears of humans is not known.

Pregnancy and Breastfeeding

Not enough scientific information is available to recommend tea tree oil during pregnancy or breastfeeding. Animal studies suggest caution in the use of tea tree oil during childbirth because tea tree oil has been reported to decrease the force of spontaneous contractions, which theoretically could put the baby and mother at risk. Women who are breastfeeding should not apply tea tree oil to the breast or nipple since it may be absorbed by the infant.

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