Eucalyptus

Leaves and essential oil are used for respiratory support, aromatherapy, and topical applications.

Eucalyptus oil (inhaled or topical) may relieve cough and congestion. Evidence is stronger for topical and inhalation use than for supplements.

Tea and lozenges are available, but essential oil is the primary form.

Best used as aromatherapy or topical rub for respiratory relief. Oral supplements are not common.

Essential oil is toxic if swallowed. Avoid giving to children orally. Can interact with certain medications.