pain in fingers, toes and ankles?

I have had bad pain in my ankles for several years like arthritis that is im on my feet more that about an hour i cant walk sometimes for days the ger stiff and swollen and hurt....i have also been getting cramps in my toes...and over about the last year i have been getting charlie horse like cramps in my fingers...they pull down or to the side and i cant control them its is very painful and its effecting my work since i type all day and it happens more often now... And i have formed a small knot on one of my knuckles...can anyone help me figure out what is going on....im 37 and have had a hysterectomy so i have had some health issues but im still too young for soo much pain.