It is also best to temporarily restrict fiber after abdominal surgery and when there is a flare-up of chronic bowel disorders such as Crohn's disease and ulcerative colitis. People who have known allergies or asthma may be at an increased risk for a reaction from any new medication. The physician should always know a patient's allergy history. Signs of an allergic reaction are skin rash, hives and itching. Of course, a person should not take polycarbophil if there has been a previous reaction to this or a similar drug.
Constipation can be a problem during pregnancy.
It is always preferable to get bulk and fiber from foods. See High Fiber Diet below. Polycarbophil is a synthetic chemical that holds water and creates a bulkier stool, which usually is easier to pass. Since the agent is not absorbed, it theoretically should be safe during pregnancy. However, this has never been proven.