Side effects and hazards of Tranquilizing Spirit and Tonic Brain Liquid mainly include headache, drowsiness, skin rash, itching, nausea, vomiting, abdominal discomfort and dry mouth. The efficacy of An Shen Nourishing Brain Liquid is to generate essence and replenish marrow, benefit qi and nourish blood (replenish qi and blood in the body), and strengthen the brain and tranquilize the mind. It is effective in the treatment of forgetfulness, fatigue, insomnia, dizziness, and neurasthenia accompanied with the above mentioned symptoms caused by deficiency of renal essence and deficiency of qi and blood. The drug is contraindicated in people with a history of liver disease and abnormal liver function indicators. In addition, it is contraindicated in people who are allergic to the product. Possible side effects and hazards of taking this product include rashes, itching, palpitations (rapid heartbeat, often accompanied by panic), drowsiness, nausea, vomiting, diarrhea, constipation, abdominal discomfort, dry mouth, abdominal pain, abdominal distension, allergic reactions, headache, abnormal liver function biochemical indexes and other adverse reactions. Before using Tranquilizer, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician.