More people are poisoned by essential oils

Essential oils are aromatic, volatile liquids extracted from plant material by steam distillation and named for the plants from which they are derived.

The oils are readily available in pharmacies, supermarkets, health food stores, and online.

They are typically used topically or added to vaporizers, but oral ingestion of small amounts is recommended by some suppliers.

In a recent Australian study, researchers found that poisoning by essential oil exposure is frequent and on the rise, with 63% of cases occurring in children under the age of 15 years.

They found that essential oils can cause severe toxicity when ingested, the risk depending on the oil used.

The onset of toxicity can be rapid, and small quantities (as little as 5 mL) can cause life-threatening toxicity in children.

The study is published in the Medical Journal of Australia. The lead author is Dr. Rose Cairns, Director of Research at NSWPIC.

In the study, the team examined essential oil exposure calls to NSWPIC between July 2014 and June 2018.

They identified 4412 essential oil exposures reported during the 4-year study period; 1387 callers had symptoms of poisoning at the time of the call.

The number of calls increased from 1011 in 2014–15 to 1177 in 2017– 2018.

Most exposures were accidental (3530, 80 percent) or the results of therapeutic error (580, 13 percent), typically mistaking essential oils for liquid pharmaceuticals, usually cough liquids (84, 14 percent); there were 105 cases (2.4 percent) of misinformed misuse (eg, intended ingestion of essential oils with therapeutic intent).

In 2790 cases (63 percent), the exposed person was under 15 years of age.

The essential oils most frequently involved in poisoning calls were eucalyptus (2049, 46.4 percent), tea tree (749, 17.0 percent), lavender (271, 6.1 percent), clove (179, 4.1 percent), and peppermint oils (154, 3.5 percent).

The team recommended that essential oils be kept separate from oral medications to prevent therapeutic errors.

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