Help save our bats: Due to the spread of White-Nose Syndrome, a deadly disease affecting hibernating bats, visitors are asked to clean their gear before entering Carlsbad Caverns National Park.
Best Answer: Prednisone has a half-life of roughly 1 to 1.5 days. This means that after 4-6 days, levels of the drug drop below natural levels of cortisol, so it no longer has an effect. There's no way to predict the chances that your blood test results are caused by prednisone-you have to wait and see what happens.
Prednisone --the magical drug, you need it but you hate the side effects. I too have become impotent because of the use of prednisone. When I was put on 40mg a day for over a month, alternating after ten days to 40/20, 20/10, etc. the effects were devastating.