The generic name of Gizumab is sofosbuvir vipatasvir tablets, how long it takes to turn negative after taking the drug depends on the severity of the disease and the patient’s sensitivity to the drug, it may turn negative in 3 to 4 weeks, or it may take 3 to 4 months to shift. Sofosbuvir vipatasvir tablets is a kind of anti-chronic hepatitis C virus infection drug, mainly used for the treatment of chronic hepatitis C virus infection in adults, if the current viral load is not big and the condition is mild, usually the drug can be transferred in about 3 to 4 weeks. However, if the patient is not very sensitive to the drug, it may take longer to turn negative. If the patient’s viral load is relatively high and the condition of hepatitis C is serious, the time to take the drug will be longer, and may need to take the drug for 3 to 4 months before it gradually turns negative. Sofosbuvir vipatasvir tablets are contraindicated in people who are allergic to the drug ingredients. Adverse reactions may occur during the use of the drug, such as nausea, vomiting, diarrhea, etc., if the adverse reactions are serious, you need to stop taking the drug and consult a doctor, and must be instructed by a doctor to use the drug.