"i was prescribed this medicine for moderate pain after surgery. my incisions bothered me, and i took 4 pills a day for the first 3 days, then usually 2 a day. however, the side effects: nausea, palpitations, dizziness, drowsiness and sleeplessness, constipation and mental vagueness were really too unpleasant to be rid of minor pain, so after a week i stopped taking it. it is annoying that after stopping it, i suffered nausea, palpitations, and weakness/drowsiness after large meals--possibly due to withdrawal."