Posted 5/1/2016 1:46 PM (GMT 0)
Why prednisone? Because it's a quick working anti-inflammatory medication that's great to rescue us from the worst of uc flares.
Why does pred cause these awful side effects? You need to look at what it is, or more specifically mimics within our bodies. Prednisone is a corticosteroid, which is chemically similar to your body's natural cortisol chemical. Cortisol is produced in quantity within our bodies during injury, stress, fight and flight situations along with adrenaline. Essentially you're putting a ton of stress hormone, more than the body normally produces, into our bodies with prednisone over a series of months.
Cortisol, the primary stress hormone, increases sugars (glucose) in the bloodstream (great if you need large amounts of energy to run), enhances your brain's use of glucose (increasing energy for quick thinking) and increases the availability of substances that repair tissues. Cortisol also curbs functions that would be nonessential or detrimental in a fight-or-flight situation. It alters immune system responses (decreasing inflammatory response) and suppresses/slows the digestive system. Our bodies complex natural alarm system also communicates with regions of your brain that control mood, motivation and fear. Hmmm why does prednisone cause anxiety, anger, and insomnia.... All that bioavailability of sugar only produces fat when not used...
I think that helps explain why it does what it does. Cortisol might've help us escape a threat and limp away from danger with an injury and live to see another day. Being in high quantity in our bodies for months, with our body in a constant fight or flight alarm mode, might have consequences which we experience as side effects.