I am 6o years old and I think have had mild anxiety for some years but not severe enough for medication , in fact I didn't know thats what it was until I had a few panic attacks just over a year ago. I usually just felt light headed most of the time. Zoloft was prescribed approx 3 months ago. 25mg to start, then 50mg. I am experiencing a few side affects, mainly dizziness, and have had diarrhoea for the past 2 weeks. I thought after 3 months I would be feeling much better. If I take half a Serepax per day, then I feel completely normal, but I'm not sure if I should be taking both.