Geonic must be taken one half hour before the first food, beverage or medication of the day with plain water only. Other beverages(including mineral water), food, and some medications are likely to reduce the absorption of GEONIC. To facilitate to the stomach and reduce the potential for esophageal irritation.GEONIC should only the swallowed upon arising for the day with full glass of water and patient should lie down fir 30 minutes and until after their first food of the day.