After nearly 40 years on insulin vials+syringes, I have recently switched to pens for both fast-acting and short-acting insulins.
Just a month ago, I mixed up my Tresiba and Humalog pens. I accidentally took 5 units of Tresiba as a bolus instead of the intended 5 units of Humalog and it was no big deal. My bg was way higher than I expected after the meal but when I went back where I keep my insulin it was immediately obvious what I had done and I took the correct Humalog bolus.
BUT if I had accidentally taken 17 units of Humalog instead of Tresiba it would’ve been a different story, 17 units of Humalog is a big deal.
The pens are both a dark blue.
Looking closer, the Tresiba pen has a bright green button that is slightly exposed. There are also some size differences and after taking the cap off I see the Tresiba has some green inside it too.
There are some dark red color accents on the humalog label and green color accents on the Tresiba label so I guess there is some attempt to color code.
Wouldn’t it be good, if there was a universal color code for insulin pens that was more obvious than “they are both nearly the same shade of dark blue until you look at the ends or color accents”? Like bolus and basal pen bodies being really strongly contrasting colors instead of different shades of dark blue?