
Oregano (Origanum vulgare)
Photo: Ivar Leidus · CC BY-SA 4.0
- Digestive
- 2 conditions
- Licensed photo
Overview
Oregano (Origanum vulgare) is an upright perennial up to around 32 in (80 cm), bearing square red stems, elliptical leaves, and clusters of deep pink flowers. Strongly aromatic, oregano is a widely used culinary herb.
Traditional uses & properties
Culinary: A valuable culinary herb. Insect Repellent: Some research suggests oregano’s volatile oils can deter certain insects.
Safety & precautions
Pregnancy: Avoid in large amounts due to possible uterine stimulation. Essential Oil: Toxic to the liver when taken internally; external use must be diluted. Skin Irritation: Potentially irritating topically.
Educational reference only - not medical advice. Herbs can interact with medications. Consult a qualified healthcare provider before use. Full disclaimer.
Drug interactions
Interaction data is not available for this herb - talk to a pharmacist before combining it with any medication. A blank entry here means we have not documented interactions, not that none exist.
Habitat
Native to Europe, naturalized in the Middle East, oregano prefers chalky soils near the coast. It is harvested in summer when in flower. The aerial parts and essential oil are used.
Traditionally used for
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Frequently asked questions
What is Oregano (Origanum vulgare) traditionally used for?
Traditional sources describe Oregano (Origanum vulgare) as follows: Culinary: A valuable culinary herb. Insect Repellent: Some research suggests oregano’s volatile oils can deter certain insects.
What safety cautions apply to Oregano (Origanum vulgare)?
Pregnancy: Avoid in large amounts due to possible uterine stimulation. Essential Oil: Toxic to the liver when taken internally; external use must be diluted. Skin Irritation: Potentially irritating topically.






