Posted 7/21/2015 2:50 PM (GMT 0)
I found this doing a google search as I wasn't sure if they are related or not, but it looks like they can be.
"Anxiety symptoms are one of the lesser-known side effects. In certain people, antibiotics can cause symptoms that may mimic anxiety, such as dizziness or gastrointestinal side effects. In these cases, anxiety may be secondary to other side effects, instead of being a side effect on its own."