I have habitual constipation. So I usually take Naturolax twice daily. 13.3.14 I had no motion and feeling pain on my assending colon . So I took Cremaffin 15 ml. Doctor prescribed me to take cefixim 200 + ofloxacin 200 twice daily, lactulose 15ml thrice daily. I took lactulose 10ml on 14.3.14 at 11 pm along with antibiotic. In 15.3.14 morning I had three times loose motion, felt restless, uneasy, thrust, very week. Should I continue lactulose.