When applied on the skin, frankincense is well-tolerated, however, it may cause mild skin irritation. When used orally, frankincense may cause upset stomach, diarrhea, nausea, itching, or headache. In large amounts when taken orally frankincense can cause a blockage in the stomach.
Frankincense may interact with immunosuppressants. It may also reduce the activity of various liver enzymes, increasing the levels of certain medications that are normally broken down by the liver.
Consult a doctor prior to using frankincense if you have digestive disorders. Check with a health care provider before giving frankincense to children.
Do not use frankincense while pregnant or breast-feeding, or if you are allergic to frankincense, Boswellia trees, or any plant from the Burseraceae family.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.