My Mom Has Watery Stool For A Long Time (Approx

My mom has watery stool for a long time (Approx 20 days) initially she was taking ORS, then Norflox-TZ, but could not treat well, now she is taking Nor-TZ and watery stool is under controlled since this morning. Is there any difference between Norflox-TZ and Nor-TZ ?

CLINICAL HISTORY
1. Adenocarcinoma ca:lung (Stage 4)
Currently on Tab. Crizalk 250mg

2. Left leg -> DVT
Currently on Warfrin 1 mg