Adipex And Late Periods I Am Allergic To Adipex?

I am allergic to Adipex? - adipex and late periods

I am Adipex for 2 weeks and have only taken 1 / 2 a tablet daily. Around noon, I'll eat a few minutes later, I have a pain in the back of the throat / tongue area. Could be Allergic to it or is it just a common side effect? Ideas?