See also Warning section. This medication is used to treat sudden diarrhea (including traveler's diarrhea). It works by slowing down the movement of the gut. This decreases the number of bowel movements and makes the stool less watery. Loperamide is also used to reduce the amount of discharge in patients who have undergone an ileostomy. It is also used to treat on-going diarrhea in people with inflammatory bowel disease. Loperamide treats only the symptoms, not the cause of the diarrhea (e.g., infection). Treatment of other symptoms and the cause of the diarrhea should be determined by your doctor.
Dizziness, drowsiness, tiredness, or constipation may occur. If any of these effects persist or worsen, contact your doctor promptly. If your doctor has prescribed this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Stop taking this medication and get medical help right away if you have any very serious side effects, including: severe constipation/nausea/vomiting, stomach/abdominal pain, uncomfortable fullness of the stomach/abdomen, fast/irregular heartbeat, severe dizziness, fainting. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
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