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  • Title: Effect of two antacids on the bioavailability of paracetamol.
    Author: Albin H, Demotes-Mainard F, Vinçon G, Bedjaoui A, Begaud B.
    Journal: Eur J Clin Pharmacol; 1985; 29(2):251-3. PubMed ID: 4076324.
    Abstract:
    The effect of two antacids on the bioavailability of paracetamol has been investigated in 12 young healthy volunteers. Following a random cross over design, each subject swallowed, on three separate occasions, one weak apart, 500 mg paracetamol alone, or together with two different aluminium hydroxide, magnesium hydroxide preparations (Dimalan and Maalox). Plasma paracetamol levels were measured by HPLC. The bioavailability of paracetamol was not altered by either antacid, but they both delayed the time to peak plasma concentration (0.85 h; 1.43 h; 1.25 h, without antacid, with Dimalan and with Maalox respectively). The peak plasma concentration was not affected by concurrent antacid administration.
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