Hi
I appreciate that you reach out with concern
1)For generalized Anxiety Disorder there is no need for antidepressants.
Definitely you need proper evaluation through psychodygnostic test to find out your ailment
2) no, you can gradually tapper off
Next Steps
for more information or therapy you can consult Psychologist Rupali Mohbe at Practo
Health Tips
It's better to consult a specialist to clear the doubt than google out