Lavender is typically well-tolerated orally. Side effects of taking lavender orally include changes in breath odour, constipation, diarrhea, indigestion, belching, headache, and nausea. When applied on the skin, the common side effect is skin irritation.
Lavender can cause sedation and may increase the effects produced by other sedative medications. Lavender may also increase the effects anesthesia. You should stop using lavender at least 2 weeks before elective surgery.
Consult your doctor if you are pregnant or breast-feeding. Consult your doctor if you are under 18 years of age. Stop using lavender if you develop an allergic reaction.
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.