[Pharmacological effect and toxicology of Sophorae Tonkinensis Radix et Rhizoma].

Sophorae Tonkinensis Radix et Rhizoma, which has been commonly used in clinic, shows activities in antitumor, antivirus, antibacteria, analgesia, anti-inflammation, anti-liver injury, anti-oxidation and immune enhancement, but can cause liver toxicity, neurotoxicity, gastrointestinal toxicity and respiratory toxicity. Its pharmacological effect and toxicity are related to extraction process, dosage and administration time. Therefore, exploration of appropriate extraction process, toxicity-effect dosage range, toxic substance basis provides guarantee for attenuation and safe clinical medication.