While acetaminophen (also known as paracetamol) is commonly taken orally for headaches and other pain relief, hospitals often administer it intravenously for critically ill patients who cannot swallow ...

Ultra-rapid metabolism of codeine and other risk factors ... Avoid concomitant other acetaminophen-containing products. Risk of serotonin syndrome with serotonergic drugs (eg, SSRIs, SNRIs ...