Have Medical Questions? Ask a Doctor Online!
This is Dr. David
humalog is a short acting insulin with half life of 1 hour
Lantus is a longer acting insulin lasting 24 hours
you should check your sugars every hour over the next 3-4 hours to see if your glucose levels drop
if your levels drop, you might need to drink some orange juice or sugary drink to get your levels up if they drop too low, like below 70 or 80.
or you can go to the ER and be monitored there
do you have a home glucose monitor that you can check your blood glucose levels every hour or so?