Paracetamol: Haematological reactions (including thrombocytopenia, leucopenia, pancytopenia, neutropenia, agranulocytosis); skin rashes, & other hypersensitivity reactions. Tramadol: Nausea, vomiting, constipation, drowsiness, confusion; micturition, ureteric/biliary spasm; dry mouth, dizziness, sweating, facial flushings, headache, vertigo, bradycardia, tachycardia, palpitations, orthostatic hypotension, hypothermia, restlessness, changes of mood, decreased libido or potency, hallucinations, miosis; raised ICP; muscle rigidity (following high doses).