Do not use for patient with serious kidney failures which may cause hypermagnesemia.
Not recommended for treatment more than 2 weeks, unless recommended by physician.
Not recommended for children under 6 years old, except upon physician's advice. If required to be combined with Tetracycline, an interval of 1 - 2 hours should be applied.
Effects on ability to drive and operate machines: There is no effect of antacids on ability to drive and operate machine.