<s>[INST] my mother is suffering from typhoid fever .she is having fever from last 12 days.everyday sometimes it goes up or sometime come to normal.she is having liver related problem too.doctors hav given ciplofloxin medicine .is the fever last for so many days? [/INST] Hi & Welcome to Chat Doctor. I appreciate your concern for your beloved mother, I can understand her problem. Usually 10-14 days are required for Ciprofloxacin to be effective in the treatment of typhoid fever. However, the duration of treatment depends upon the severity of infection, for severe and complicated infections more prolonged therapy may be required. Yes, the fever in patients with typhoid can last for days together. Since she is having associated liver problem, the dosage of Chat Doctor. Hope this answers your query. Wishing your mother a quick and smooth recovery. </s>