Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Although not all side effects are known, green tea is thought to be likely safe for most people when taken in moderate amounts by mouth or used on the skin.
Stop using green tea and call your healthcare provider at once if you have:
an unusual bleeding or any bleeding that will not stop.
Common side effects may include:
stomach upset and constipation.
Green tea has been reported to cause liver problems in rare cases.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
