The hazards and side effects of Nafamivir Eye Drops mainly include blurred vision, dilated pupils, increased conjunctival congestion, dizziness, headache, agitation, cardiac arrhythmia, elevated blood pressure, elevated blood glucose, etc. The use of Nafamivir Eye Drops in infants and young children may result in unconsciousness and a drop in body temperature. Nafamivir Eye Drops can be used to relieve eye fatigue, conjunctival congestion, eye itching and other discomforts, and its main active ingredients are naphazoline hydrochloride, chlorpheniramine maleate, vitamin B12 and so on. Its adverse reactions mainly include eye symptoms, such as blurred vision, dilated pupils, conjunctival congestion aggravation, etc. Systemic symptoms, such as dizziness, headache, agitation, cardiac arrhythmia, elevated blood pressure, elevated blood glucose, etc., may also occur. In children, especially infants, central nervous system depression may occur, leading to coma and a significant drop in body temperature. Nafamivir eye drops are contraindicated in patients with angle-closure glaucoma. If discomfort occurs during use, discontinue the medication and consult an ophthalmologist immediately.