Answer
Some effects may begin within the first couple of weeks, but fuller improvement can take several weeks and OCD may respond more slowly. Contact the prescriber if symptoms worsen or there is no meaningful improvement by the planned review.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Sertraline 100 mg Tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.