I am 46 years old and have been on Sertraline for 10 years or so and have started yawning all the time. My doctor said the yawning can be a side effect of Sertraline so stopped it and put me on Wellbutrin, 100 mg for a week, then to take 100 mg in the AM and another 100 mg at noon. I feel horrible. I just don t feel right, like my head is swimming, I can t sleep, emotional, etc. Should I have tapered off the Zoloft instead of stopping abruptly and starting Wellbutrin?