Alumastad contains dried aluminum hydroxide gel and magnesium hydroxide which are antacids pain reliever and indigestion discomfort by neutralizing acid, reducing the excess acidity in the stomach.

Pack size Box of 40 tablets.
Shelf-life 24 months
Composition Dried aluminum hydroxide gel (e.q to aluminum hydroxide), Magnesium hydroxide
Dosage forms and strengths Chewable tablet: Dried aluminum hydroxide gel 400 mg, Magnesium hydroxide 400 mg
Product code :



Alumastad is indicated for symptomatic treatment of disorder due to hyperacidity in:

  • Gastritis.
  • Hiatal hernia.
  • Dyspepsia.
  • Peptic ulcer.


For adults (> 15 years of age): 1 – 2 tablets to be chewed after meals or when pain (or malaise) occurs. Maximum daily dose: 6 doses. Do not exceed 12 tablets/day.


Chew the tablet as carefully as possible.


  • Hypersensitivity to the active substance(s) or to any of the ingredients.
  • Severe renal insufficiency, due to the presence of magnesium.

Possible onset of:

  • Transit disorders (diarrhea or constipation).
  • Phosphorus depletion after long-term use or high doses, due to the presence of aluminum.
  • Aluminum hydroxide, in the presence of low phosphorus diets, may cause phosphorus deficiency.
  • In patients with renal impairment, plasma levels of both aluminum and magnesium increase. In these patients, a long-term exposure to high doses of aluminum and magnesium salts may lead to encephalopathy, dementia, microcytic anemia, or worsen dialysis-induced osteomalacia. The prolonged use of antacids in patients with renal failure should be avoided.
  • Aluminum hydroxide may be unsafe in patients with porphyria undergoing hemodialysis.
  • If disorders persist for more than 10 days, or if they get worse, screening for etiology should be carried out and treatment reassessed.
  • Alumastad contains sucrose (compressible sugar). Patients with rare hereditary problems of fructose intolerance, glucose-galactose malabsorption or sucrase-isomaltase insufficiency should not take this medicine.
  • Alumastad should only be used during pregnancy if necessary. This product should not be taken at high doses or over long periods. Breast-feeding can be continued during treatment.