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Originally Posted by parrotletzoo  I've always used a vial of insulin until it was gone. I've never noticed a lack of potency or had any issues with discoloration or clouding which would indicate a problem with bacteria. I typically used a bottle up in around 6 weeks. |
So far, a six-week old vial has always worked. After eight, potency and activity get a bit wonky. I've not used one past ten weeks, and almost always have significant waste. (BlueSky suggested that I switch to 3 mL cartridges to reduce waste. I'll have to look into that.)
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Originally Posted by parrotletzoo I used to use syringes until they were dull and that includes injecting through clothing. I'm not sure the alcohol is all that important but if it makes you more comfortable by all means do what you need to do. |
Definitely good to know. It certainly would be less hassle not to clean syringes... but... for now, I'll stick with cleaning them. In another year, who knows.
