Medical Interactions
Green tea is generally safe for healthy people to consume. If you're on any medications, however, or have any illnesses, check with your doctor before drinking it. Green tea may create problems if you're taking stimulants, hormones, antibiotics, blood thinners, certain asthma medications or any drug that poses a risk of liver damage. Green tea can also worsen diarrhea, glaucoma, bleeding disorders and multiple other conditions.