When a person has depression once , is he forced to take anti-depressants like ssris for a very long period ? like ocd ?

Hopefully not: It is a good idea to be weaned off ssris properly, but they are meant to be short-term. Often talk therapy is a good bet for helping you both through the recovery period and to learn ways to avoid or moderate any tendency to relapse. Good going! take care and be well. Ocd is quite different and even that might not require medication long-term if one learns strategies to deal with it in cbt therapy.

Normally people in : The us are not forced to take antidepressants. For a first episode of major depression for which medications are indicated - most psychiatrists aim for 9 to 12 months of good response before antidepressant medication weaning starts. However, if a person has 3 to 4 episodes of major depression - lifelong medication may be recommended.