Loestrin Fe 1/20 and prednisone

I was prescribed Loestrin FE 1/20 TAB for clotting and having menstruation more often than I should (once every two weeks or so). My first experience resulted in leg pain, after six days. This ended with a Doppler scan to check for blood clots. Well, that was cleared so back on to Loestrin I went. When I picked up my prescription I asked the pharmacist (yes I had already asked my doctor) during consultation about interactions with the other medications I take on a daily basis. Prednisone 10mg tablet and Armour Thyroid 240mg. I was told, not to worry, no issues. Eleven days after starting Loestrin again, I called my doctor because of nausea, vomiting, fatigue, indigestion (like I've never had before) and feeling "foggy." I was told these were "not typical complaints" that they heard. I then checked for interactions on line and found that both the prednisone and Armour Thyroid have interactions. With Prednisone it's side effects can be made more severe than they would be without the Loestrin (never had a side effect in the eight months I was on it, until the Loestrin). I experienced With the Armour Thyroid Loestrin binds to it, preventing the absorption of the thyroid medication. This explains all of the symptoms I was having. Please, beware that you must check on interactions yourself, do not rely on your pharmacist or physician to be aware of these.