Paracetamol is the centrally acting analgesic most commonly used in the world, indicated for the symptomatic treatment of fever and pain in mild to moderate. It comes in different formulations for oral, intravenous and rectal. The IV route allows rapid passage of paracetamol in the systemic arterial circulation and thus the brain, faster distribution evidenced a higher plasma concentration compared with oral and rectal. However the IV route also has disadvantages well known risks iatrogenic perfusion is an invasive lengthy, unpleasant and painful.