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Clinical data
AHFS/ International Drug Names
Legal status
Routes Oral
CAS number 66827-12-1
ATC code A02AD03
PubChem CID 71749
ChemSpider 64792 YesY
UNII 568Z59H7ZJ YesY
KEGG D02821 YesY
Chemical data
Formula Al2Mg6(OH)14(CO3)2 · 4 H2O
Mol. mass 314.99 g/mol
 YesY (what is this?)  (verify)

Almagate (trade name Almax) is an aluminium- and magnesium-containing antacid. It was first described in 1984.[1][2]

Adverse effects[edit]

Almagate is well tolerated. In a clinical trial, the most common adverse effects were diarrhea and nausea.[3]


  1. ^ Moragues, J. B. (1984). "Characterization of a new crystalline synthetic gastric antacid, almagate" (Free full text). Arzneimittel-Forschung 34 (10A): 1346–1349. ISSN 0004-4172. PMID 6548918.  edit
  2. ^ Beneyto, J. F. B. (1984). "Evaluation of a new antacid, almagate" (Free full text). Arzneimittel-Forschung 34 (10A): 1350–1354. ISSN 0004-4172. PMID 6439224.  edit
  3. ^ Suau, A. D. (1984). "Treatment of gastric pyrosis with almagate in patients with and without endoscopically demonstrable duodenal ulcer. A multicentre clinical trial" (Free full text). Arzneimittel-Forschung 34 (10A): 1380–1383. ISSN 0004-4172. PMID 6548926.  edit