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Why is lantus no good after 28 days?

April 26, 2017Conditions days Diabetes diseases good Health Lantus

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10 Posted

Why is lantus no good after 28 days?

1 Answer

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10 Posted

It’s only good for 28 days after you first use it. Otherwise it’s good until the expiration date printed on the box. It loses its effectiveness after about that much time. I’m not sure why. I think you can use it a little after that time, but you’re taking a chance.