Thanks for your query. Citalopram
is a SSRI
antidpressant and anxiolytic drug that can be prescribed safely in generalised anxiety
disorder and panic disorder. The drug will start to work around 6-8 weeks after starting medication and needs to be continued for 6-12 months atleast.
You can consider adding cognitive behavioural therapy (CBT), a psychotherapy/ talk therapy
modality to your treatment after discussing with your psychiatrist
that would produce better response than only medication. Wish you good health.