G Antacid

Indication
Take 2-4 tsf after meals and at bedtime as needed (up to 4 times a day).
Administration
Aluminium Hydroxide: Enhanced absorption with citrates or ascorbic acid. Decreases absorption of allopurinol, tetracyclines, quinolones, cephalosporins, biphosphonate derivatives, corticosteroids, cyclosporin, delavirdine, Fe salts, imidazole antifungals, isoniazid, mycophenolate, penicillamine, phosphate supplements, phenytoin, phenothiazines, trientine. Magnesium Trisilicate: None well documented.

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Adult Dose
Renal dysfunction, low phosphate diet, prolonged use.
Renal Dose
Aluminum hydroxide: Neutralizes stomach hydrocloride to form AlCl3 salt plus water; increases gastric pH. Magnesium Trisilicate neutralizes gastric acidity by increasing gastric pH
Mode of Action
After meals and at bedtime as needed.
Precaution
Heartburn, Indigestion, Gastric Hyperacidity, Peptic ulcer disease, Gastroesophageal reflux disorder (GERD)
Pregnancy Category Note
Diarrhoea, constipation, nausea, vomiting.
Interaction
Hypophosphataemia.