Peristil 10mg Tablet is a prescription medicine used in the treatment of gastroesophageal reflux disease (acid reflux) and constipation. It helps to increase gastric emptying of both liquids and solids. Peristil 10mg Tablet is taken before meals or at bedtime in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. 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 and nausea. 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. This medicine may cause diarrhea, so its better to take plenty of fluids while taking this medicine as it may help to prevent dehydration. It may cause also dizziness and sleepiness, 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. Pregnant or breastfeeding women should also consult their doctor. Before taking this medicine, you should let your doctor know if you have heart disease, drink a lot of alcohol or have liver, or heart problems.