The adverse reactions of Xintong Oral Liquid are not yet clear, if patients experience dizziness after the use of this drug, it is recommended to consult a doctor promptly. Xintong Oral Liquid is a kind of Chinese patent medicine that benefits qi and nourishes yin (tonifying qi and yin), composed of Astragalus, Codonopsis pilosulae, Maitong and other medicines, which has the efficacy of benefiting qi and nourishing yin, resolving phlegm and clearing the channels (removing phlegm and evil, clearing the channels). It can be used clinically for the treatment of symptoms such as heart pain, chest tightness, shortness of breath, nausea and loss of appetite caused by deficiency of both qi and yin (deficiency of both qi and yin). The adverse effects of this drug are not known. If patients experience dizziness after using this drug, it may be one of the unknown adverse effects. Patients are advised to stop the drug and go to the hospital promptly. Pregnant women are prohibited from using this drug. Patients who need to use this drug should be under the guidance of a doctor, and should not use the drug without authorization.