You have some good advice from Paxiled.....I would only add that no, there will be no lasting effect from the medication, and it is hard to figure out without knowing more whether your current anxiety level is related to your life situation or some small lingering effects of the medication, which if so, should clearly get fewer and fewer each day. If you can, start thinking about therapy, and if you can't afford therapy, you can do some self help work on your anxiety by going to www.myvirtualshrink.com
This should be done with a psychiatrist, not a family doc. Seems like a pretty flimsy bit of evidence to decide you're bipolar, so you might be on an altogether inappropriate med.