Side effects are possible in people who have sensitive stomachs. Heartburn, stomach irritation, loss of appetite, and diarrhea could result from drinking large amounts of green tea. If you are pregnant, trying to get pregnant, or breast-feeding, avoid drinking green tea because the caffeine it contains may be harmful to the baby. Green tea may worsen asthma. If you are taking this medicine, talk to your doctor before taking green tea.
Some natural remedies have the same effects as prescription medicines.
This means there is a danger of being overmedicated. If you have any unusual effects while taking any natural remedy, get advice from a doctor right away. Natural remedies and prescription medicines may interact. Lack of standardization may result in products with different strengths and effects. Lack of quality control may allow contamination of products.