... Fludrocortisone .1mg. (1) a day.. " Everyday",, I'm having alot of pain in my knees, so bad I'm having trouble sleeping, my Job (10 hr.s /6 days) swing shift., Its really hard to do anything. Is Voltaren 1mg. Gel ok for me to try? Will this Gel. be safe for me with the (2) other medications that i take?? Please reply..Thank you'