Rifampicin Eye Drops has antibacterial and antiseptic effects and can be used to treat trachoma, conjunctivitis, keratitis and other diseases. The main ingredient of Rifampicin Eye Drops is rifampicin, which is a semi-synthetic broad-spectrum bactericidal agent that kills sensitive bacteria by inhibiting the synthesis of bacterial RNA and blocking the transcription of RNA, and this drug is mainly used for conjunctivitis, keratitis, trachoma and other eye diseases. During the use of Rifampicin Eye Drops, patients may experience adverse reactions such as chills, dizziness, fever, headache, difficulty in breathing, redness of the skin, and allergy. This drug needs to be contraindicated in people who are allergic to this drug, in the presence of severe hepatic or renal insufficiency, and biliary tract obstruction. In the elderly with decreased liver function and in children under 5 years of age, it should be used with caution. Since excessive use of Rifampicin Eye Drops may trigger abnormal symptoms such as mental retardation, facial or periocular edema, generalized itching, red man syndrome, etc., patients should use the drug strictly in accordance with medical advice.