Increased appetite & wt, oedema; drowsiness or sedation; dizziness, headache, increased liver enzyme levels; jaundice. Orthostatic hypotension, rash, nightmares, agitation, mania, hallucinations, paraesthesia, convulsions, tremor, myoclonus, akathisia, restless leg syndrome, arthralgia, myalgia, reversible agranulocytosis, leucopenia, granulocytopenia, hyponatremia.