keep tabs on
v 1: keep a record on or watch attentively; "The government
keeps tabs on the dissidents"
From WordNet (r) 3.0 (2006) [wn]:
Keftab
n
an oral cephalosporin (trade names Keflex and Keflin and
Keftab) commonly prescribe for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract Synonym(s):cephalexin, Keflex, Keflin, Keftab