Yes, doses higher than 200mg of sertraline have been reported in the literature. It will depend on the doctor's experience and how your situation evolves. If you have felt improvement so far, it could be an option to explore. It is possible to feel the full effect of an antidepressant after 6 to 8 weeks of an effective dose. Adjustments or additions may be necessary for some individuals, even temporarily. It is important to manage anxiety in daily life, handle situations, engage in normal activities, and improve quality of life. This kind of situation is often considered more as a remission rather than a complete cure.