The main antiviral drug administered for the treatment of facial paralysis is acyclovir, and the possible hazards to the body include allergic reactions, inflammation at the injection site, and gastrointestinal adverse reactions.
1. Common adverse reactions: mainly include allergic reactions such as skin itching and rash, gastrointestinal reactions such as nausea and vomiting, inflammation at the injection site, and impairment of liver and kidney functions.
2. Rare adverse reactions: including acute renal impairment, anemia, leukopenia, elevated blood lipids, hematuria, hypotension and so on.
3. Rare adverse reactions: including impaired consciousness, hallucinations, seizures and so on.
Acyclovir is a commonly used antiviral drug in clinical practice, and patients are advised to take it as prescribed by the doctor to avoid adverse effects.