The instruction of Ginkgo Ketone Ester Drops does not specify the side effects that will occur if taken for a long period of time, and a few patients who take Ginkgo Ketone Ester Drops normally will experience side effects such as stomach upset and nausea. Patients should use the medicine reasonably under the guidance of the doctor. Ginkgo Biloba is a kind of Chinese patent medicine, which has the effect of activating blood circulation, removing blood stasis, and clearing up collaterals. Clinically, it is mainly used for the treatment of blood stasis-type chest paralysis, as well as blood stasis-type mild cerebral arteriosclerosis caused by dizziness, coronary heart disease, angina pectoris and other conditions. It should be noted that heart failure, pregnant women and allergic patients should be used with caution. If you need to use ginkgo ketone ester drops, it is recommended to consult a professional doctor, follow the doctor’s instructions to standardize the treatment, can not blindly use their own medication.