Psychiatric side effects including restlessness, aggression, and delusion have been reported frequently. Hostility, decreased libido, paranoia, anorgasmia, confusional state, mania, catatonia, mood swings, panic attack, obsessive-compulsive disorder, bulimia nervosa, delirium, polydipsia psychogenic, impulse-control disorder, and major depression have been reported infrequently."
But other than that, it’s completely safe.