Talk to Gastroenterologist on Stools Disturbance / Stomach Issue

My friend is facing the issue from past 2 to 3 months .She got an attack of diarrhea in March and distured . She was prescribed with antibiotic. She had 3 to 4 stools per day Then Ramzan started and her bowle routine got disturbed otherwise it was very usual like single stool at a day in morning . Had 2 to 3 stools, sometimes normal, sometime bit loosy etc. The problem was okay after Rmazan like a bowle movemet in morning and 2nd in evening or at night usually after evening meal but this is not consistent some time she has 2 stools passed in a day sometime one. She is having bad gas or fart alot sometime after 2nd meal in a day . The basis issue the habit is not setting again of only 1 stool in a day. 2ndly she is having different types of stool sometime normal like sift solid , but many times solid with watery appearance / loose with a bit oily appearance . Here i would like to tell that she normallu faces the issue of constipation if not using Ispaghol in milk so she must takes it in