Features of serotonin syndrome associated with SSRI and MAOIs are

Co-prescription of serotonergic drugs with other serotonergic agents and especially MAOIs can lead to serotonin syndrome.it is characterised by classic triad of mental status changes,neuromuscular abnormalities and autonomic hyperactivity.these include anxiety, agitation, confusion, clonus, hyperreflexia, myoclonus, rigidity, increased hea rate, tremor, flushing, hypehermia and excessive sweating. Death can occur in severe serotonin syndrome. (Ref: a sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no185)