The exact duration of the course of treatment for taking Astragalus Extract varies from person to person and there is no specific time. However, if there is no improvement in symptoms after taking the medicine for two weeks, or if the symptoms worsen, or if new serious symptoms appear, the medicine should be stopped immediately and you should go to the hospital. The main ingredient of Astragalus Extract is Astragalus, with sweet and slightly bitter flavor. Astragalus essence has the effect of tonifying blood and nourishing qi. It has the efficacy of nourishing blood, nourishing qi, fixing the root and stopping sweating. It is used for qi deficiency and blood deficiency, sweating (due to the weakness of the muscle surface and frequent natural sweating), weakness of the limbs, and mental deficiency. Astragalus essence of adverse reactions as well as contraindications are not clear, it should be noted that the drug allergy is prohibited, allergic people should be used with caution; avoid greasy food, cold patients should not be taken; this product should be taken before meals; take two weeks or during the medication, the symptoms did not improve, or symptoms worsened, or the emergence of new serious symptoms, the drug should be discontinued and go to the hospital for medical attention. Proprietary Chinese medicines need to be used under the guidance of a traditional Chinese medicine practitioner’s diagnosis, do not use the medicine privately, so as not to cause damage to the organism.