Caution is advised in patients taking SSRI’ s concomitantly with oral anticoagulants, drugs known to affect platelet function or other drugs that may increase risk of bleeding (e. g. atypical antipsychotics such as clozapine, phenothiazines, most TCA’ s, acetylsalicylic acid, NSAID’ s, COX-2 inhibitors) as well as in patients with a history of bleeding disorders or conditions which may predispose to bleeding.