No, I am not aware of any people who have contacted us with any kind of resistance to <span style = 'background-color: #dae8f4'>Lantus</span>
. I do know that <span style = 'background-color: #dae8f4'>Lantus</span>
must be replaced at the end of a month on one bottle. The expiration date is really important, for near the end of the month, some of us find that it no Long
er crystallizes properly. Some people notice that when the Lantus
bottle is about one month old, it Does
well. But if you just started the bottle, this is probably not the problem.