Last night I started 100 mg Zoloft and the first day of azithromycin. I became nauseous last night, couldn't sleep, and am having problems with jaw clenching/all around muscle tightness and soreness. I figure the Zpack is a pretty strong antibiotic but I still have a very unusual loss of appetite this morning. Are these symptoms normal for any of these drugs and will they go away with continued use?