Page 118 - Pharmaceutics IV (02-06-01305)
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Preservatives
229
Ophthalmic DD: Excipients
Why?
For protection against patient derived contaminants during use:
The repeated opening and closing of the containers as well as
frequent contact with the ocular surface
Examples:
Benzalkonium chloride (often with EDTA), benzethonium
chloride, chlorobutanol.
230 115
Salma E. EL-Habashy
