The recommended way to take Gistress Tablet is one hour before meals preferably at bedtime as directed by your doctor It is important to continue taking this medication for the duration recommended by your doctor If you stop treatment too early your symptoms may return and your condition may worsen Inform your doctor about all other medications you are taking as some may interact with or be affected by this medication Common side effects of Gistress Tablet include constipation To minimize these side effects it is advisable to stay adequately hydrated while taking this medication Dizziness and drowsiness may also occur so refrain from activities that require mental focus such as driving until you are aware of how this medication affects you Before starting this medication inform your doctor if you have any liver or kidney disease Your dosage may need to be adjusted accordingly Avoid taking Gistress Tablet with antacids If necessary try taking the antacid two hours before or after taking this medication