Explain why Tresiba's (insulin degludec) longer duration isn't always better

Tresiba (treh-SEE-bah, insulin degludec) is a new once-daily ULTRA long-acting insulin.

It lasts about 42 hours...compared to about 24 hours for Lantus or Levemir and a little over 24 hours for Toujeo.

You may hear that Tresiba's longer duration means it doesn't need to be used at the same time every day.

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