Furacilinum solution mouthwash is generally not significantly harmful to the body. Furacilinum solution is a mouthwash containing an anti-inflammatory drug that is primarily used as an adjunctive treatment for oral infections. Furacillin solution is an anti-inflammatory drug that has the effect of disinfecting, sterilizing and cleaning the oral cavity. Furacillin solution gargle is effective in treating periodontitis, pericoronitis, gingivitis and other diseases. Because furacilinum solution belongs to the local drug, gargling will be spit out after gargling, the drug is only absorbed locally to play a role in the general systemic absorption of less, so furacilinum solution on the body is generally not harmful. Certain patients who are allergic to furacilinum solution may experience symptoms such as fever, mouth swelling and pain, and long skin rash, which require prompt medical attention.