have swollen ankles top of the foot swollen back of knees feel painful can to much salt cause swelling?

Swollen ankles salt? 39F US notes/asks: have swollen ankles top of the foot swollen back of knees feel painful can to much salt cause swelling? ANS: need much more detail but most common cause of swollen ankles is eating more salt than your body can get rid of. But pain in back of knees is not part of that. You may have blood clots in legs. See your Dr. now or do 2nd opinion with me now.