Imotil 2 is used in the treatment of diarrhea. It should not be used in patients with dysentery (diarrhea with blood). Imotil 2 is taken with or without food in a dose and duration as advised by the doctor. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine. The most common side effects are headache, nausea, and constipation. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. It may also cause dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can worsen your sleepiness. Diarrhea can cause water loss and electrolyte imbalance, so drink plenty of fluids to help keep yourself hydrated. It is important to avoid this medicine if you have blood in your stool or if you are severely constipated.