oteći

1. (of a body part) to swell; to swell up
   Posle pada mi je otekao članak. — My ankle swelled up after the fall.
   Ujutru su mi otekli kapci. — My eyelids were swollen in the morning.
2. (of water) to drain away; to flow off
   Voda iz kade nikako ne može da oteče. — The water in the bathtub just won't drain away.

The body part is the subject and the person goes in the dative: otekla mi je noga.