Recent low blood sugar episodes

First post here,

I (22M) am a type 1 diabetic for 12 years now and I also have thyroid problems. For the last 8 months or so, I have been stable with doses and even when the quarantine hit, my blood sugar was reliable. Although, about 4 weeks ago, I've been experiencing episodes where my blood sugar drops rapidly. I usually correct this with glucose, but my blood sugar will remain unstable for a while. These episodes typically happen around the time of taking a shot of insulin (I don't have a pump, but I use basaglar and novolog).

My advisor has told me that these episodes are due to my lifestyle, which hasn't changed much in years and I haven't had many problems with low blood sugar in the past. I have asked my advisor for help recently but their advice is to keep the sugar low for better A1C and get a pump to better regulate. I'm worried something more problematic is happening and a pump wont help imo, but I want to see if anybody else has had this happen to them before, and if so, what did you end up doing about it?

Thanks!