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How long does 0.9% Sodium Chloride (saline) soultion really last for once opened?

Well the bottle says dispose after 24hrs the pharamsists all say no more than 28 days my mate who uses the same this says until it starts to smell ify.

I ask cuz i use it for my eyes when i feel tired, itchy or dry, i use it to flush wounds and even use it to clean my pets eyes when they have discarge or infections on the and i use it for my pets stiches.

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Answer #1

Once opened it is no longer sterile. However, salt water isn’t really a medium that bacteria can multiply in. All my college roommates who wore contacts used the whole bottle and didn’t worry about how long it had been opened. If you were giving someone intravenous saline I’d want it to be sterile but for the topical uses you are talking about I don’t think you need to worry.

Answer #2

Thanks for that ^^ but if my eyes fall out im comming for ya jkjk heheh.

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