hyperpyrexia

What Is The Difference Between Hypertheryia And Hyperpyrexia? In some cases, your body temperature can rise greatly above its normal temperature due to things other than fever. This is referred to as hyperthermia. When your body temperature exceeds 106°F (41.1°C) due to a fever, you’re considered to have hyperpyrexia. What is the difference between hyperthermia?