Answer
Patients using the benzalkonium chloride-containing FDC International Ltd Hypromellose Eye Drops BP product for prolonged periods should be monitored, with caution in dry eye or compromised corneas because benzalkonium chloride may cause irritation, dry-eye symptoms and effects on the tear film and corneal surface.
Sources for this answer
- Hypromellose Eye Drops BPFDC International Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 6Document updated
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