Oregano Oil
Sharp · Medicinal
Safe age 12+Topical, Internal
Using this oil
Use with care
Children
Very potent — can cause chemical burns if undiluted.
Adults
Highly potent. Oral oil of oregano can interact with blood thinners and lithium.
SourcesWorwood VA: Complete Book of Essential Oils 2nd ed. 2016 · Tisserand R, Young R: Essential Oil Safety, 2nd ed. 2014 · Preuss HG et al. Phytother Res 2005.