The generic name of vb4 is Adenine Phosphate Tablets, Adenine Phosphate Tablets is a leukocyte boosting drug, Adenine Phosphate is a component of nucleic acids and is involved in RNA and DNA synthesis in the body, it has the effect of promoting leukocyte proliferation when leukocytes are deficient. No significant side effects have been observed when taking this drug at the recommended dose. Adenine phosphate tablets are mainly used for the prevention and treatment of various causes of leukopenia, acute granulocytopenia, especially for tumor chemotherapy and radiation therapy and benzene poisoning and other causes of leukopenia. The contraindications of Adenine Phosphate Tablets are not clear, but it should be noted that this drug is a precursor of nucleic acid, and should be considered whether there is the possibility of promoting the development of tumors, weighing the pros and cons of taking. It should be used with caution in pregnant and lactating women, and its use in elderly patients is unclear. If you need to use adenine phosphate tablets, it is recommended to consult a professional doctor, follow the doctor’s instructions to standardize the treatment, not blindly use their own medication.