The main ingredients of Diosmin are flavonoids. Common adverse reactions include diarrhea, indigestion, nausea, vomiting, etc.; rare ones include dizziness, headache, rash, pruritus, urticaria, etc. It is recommended to consult a doctor or pharmacist promptly if any adverse reactions that may be related to the drug occur during use. When applying Diosmin, these conditions need to be prevented. People in special industries such as drivers and machine operators need to stop working and driving if it affects their eyelids to avoid greater danger.