Ganciclovir injection can treat shingles, because each person has different conditions, different symptoms and different reactions to medication, the exact dosage of medication used cannot be generalized, and needs to be decided by the doctor according to the actual situation. Ganciclovir is an antiviral drug used to treat cytomegalovirus infections caused by immune impairment, such as shingles. It is 5 mg/kg for patients with normal kidney function, given by intravenous infusion over 1 hour and repeated every 12 hours. The drug is a prescription drug, during the use of the drug may be nausea, vomiting, rash and other adverse reactions, allergic to the product is prohibited, pregnant women and lactating women are prohibited, the elderly and children should be careful with the use of this drug. If you are found to be suffering from shingles, it is recommended that you seek medical attention in a timely manner, under the guidance of a doctor to use reasonable medication to treat the condition, do not self-medication, so as to avoid the occurrence of drug allergic reactions or delay the condition.