It is not recommended to take Andrographis paniculata capsules before gastroscopy, but can be taken after the examination if necessary, as prescribed by your doctor. Fasting is required before gastroscopy (no food or drink for 6-8 hours), and it is not recommended to take any medication, including Andrographis paniculata capsules, before the examination. If there is no obvious abnormality after the gastroscopy, you can continue to take medication and eat 1 to 2 hours after the operation. The main ingredient of Andrographis paniculata capsule is Andrographis paniculata, which has the effect of clearing heat and removing toxins (removing heat, toxins and evil qi from the body), and it is suitable for the treatment of sore throat and mouth and tongue. Adverse reactions and contraindications are not clear. Avoid eating tobacco, alcohol, spicy and greasy food during the period of taking the medicine. Where hoarseness, sore throat at the beginning, and see the cold (cold) fever, nasal discharge, such as external wind-cold is contraindicated. Allergic to the product is prohibited, allergic persons should be cautious. Specific medication should be used under the guidance of a doctor, not blindly self-medication.