Hello,
Psychiatrist is a professional who will help you with those medications which would be helpful for you,there is nothing like that you have to take medicines for lifetime or you will become dependent on the medicines.Depending upon the intensity and the type of problem a course is set to which you have to comply,decrease in dosage or course of medicine will depend on how you improve
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Don't pay heed to rumours,rumours are not facts
Consult a psychiatrist if you are in need