In the last blog, here, I explained why we develop a fever sometimes due to infection. I also explained some other characteristics of the person with a fever that would require that I take a closer look: overall appearance, extremes of age, a poorly functioning immune system, and some social issues I must consider.
I had alluded to the fact that not all fevers are due to an infection. Now, I want to explain some of the issues that can cause elevated body temperature when no bacterial or viral culprit is to blame.
Certain illicit drugs, like amphetamines, can cause body temperature to elevate higher than what we usually see with infectious causes. MDMA (ecstasy), a common rave drug, causes users to want to have move their bodies more (like dance), it causes increases in serotonin, and it causes the cells themselves to release energy as heat rather than storing it.
Sometimes prescription or over-the-counter drugs can interact...