razboleti se

1. (razboleti se) to fall ill; to get sick
   Razbolela sam se i nisam išla na posao. — I got sick and didn't go to work.
   Obuci jaknu da se ne razboliš. — Put on a jacket so you don't get sick.

Used with "se"; the cause takes "od" + gen.: razboleo se od gripa.