Side Effects and Cautions

• Topical use of diluted lavender oil or use of lavender as aromatherapy is generally considered safe for most adults. However, applying lavender oil to the skin can cause irritation.
• Lavender oil is poisonous if taken by mouth.
• When lavender teas and extracts are taken by mouth, they may cause headache, changes in appetite, and constipation.
• Using lavender with sedative medications may increase drowsiness.
• Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.