The usual adult dose for oral use is 10 mg of sodium rabeprazole administered once daily. However, the dosage may be increased up to 20 mg orally once daily depending on the severity of symptoms.
Adults/elderly: Healing of Erosive or Ulcerative Gastro-Oesophageal Reflux Disease (GERD): The recommended oral dose for this condition is 20 mg to be taken once daily for four to eight weeks. Doses of 10 mg or 20 mg twice daily may be administered orally to reflux esophagitis patients for a further 8 weeks when proton pump inhibitor treatment is ineffective. However, a dose of 20 mg twice daily should only be administered to patients with severe mucosa injury.
Gastro-Oesophageal Reflux Disease Long-term Management (GERD Maintenance): For long-term management, a maintenance dose of PARIET 20 mg or 10 mg once daily can be used depending upon patient response.
For the maintenance therapy of reflux esophagitis when proton pump inhibitor treatment is ineffective, dose of 10 mg twice daily may be administered orally.
Zollinger-Ellison Syndrome: The recommended adult starting dose is 60 mg once a day. The dose may be titrated upwards to 120 mg/day based on individual patient needs. Single daily doses up to 100 mg/day may be given. 120 mg dose may require divided doses, 60 mg twice daily. Treatment should continue for as long as clinically indicated.
Symptomatic treatment of moderate to very severe gastro-oesophageal reflux disease (symptomatic GERD): 10 mg once daily in patients without oesophagitis. If symptom control has not been achieved during four weeks, the patient should be further investigated. Once symptoms have resolved, subsequent symptom control can be achieved using an on-demand regimen taking 10 mg once daily when needed.
Helicobacter pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence in Adults: See Table 8.
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For indications requiring once daily treatment PARIET tablets should be taken in the morning, before eating; and although neither the time of day nor food intake was shown to have any effect on rabeprazole sodium activity, this regimen will facilitate treatment compliance.
Patients should be cautioned that the PARIET tablets should not be chewed or crushed, but should be swallowed whole.
Renal and hepatic impairment: No dosage adjustment is necessary for patients with renal or hepatic impairment.
Children: PARIET is not recommended for use in children, as there is no experience of its use in this group.
<Precaution>: The patient should be carefully observed during administration and the cumulative dose should be kept to a minimum for the particular symptoms being treated.