After taking Vicodin, weird behavior?

After taking this for pain I take 2 and 20 mins to an hour later I don't stop talking , I talk so much and it can't control it. it isn't anything usual im saying but its just like I can go on and on about whatever it is. is this a side effect? is something in the drug causing me to do it or?
After taking Vicodin, weird behavior?
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