Can someone tell me how long to expect the side effects of jitteryness, shaking dizziness.. took 500mg 2x day for 6 days.. got shoulder aches (tendonitis) on full breaths, dizziness, shakiness, uneasiness and still have these side effects now 2 full weeks after stopping the drug after taking it for 6 days... anyone know how long these side effects should last... a bit worried.