I often get the fingers locking & painful.. Not so much swollen , maybe a little..
I believe it is cf related arthritis too. You should probably go to your primary care dr. and/or a rheumatalogyst (sp) There are several things that fall under that category such as lupus, fibromyalgia, reheumatoid nodules, osteoarthritis , gout etc..
I hope you get some answers , unlike the one you were given <img src="i/expressions/face-icon-small-happy.gif" border="0">isgust;
Take care & keep us posted <img src="i/expressions/heart.gif" border="0"> joni