Summary
The possibility of an interaction of ranitidine with amitriptyline was assessed by means of amitriptyline and nortriptyline plasma concentration measurements, blood pressure and pulse rate, digit symbol substitution, and visual analogue scales. Ranitidine had no effect on amitriptyline or nortriptyline concentrations. Responses recorded by the digit symbol substitution and visual analogue scale tests correlated with changes in concentrations of amitriptyline and nortriptyline in plasma. No effects on blood pressure or pulse rate were observed. We concluded that there was no effect of ranitidine on amitriptyline kinetics or response in the conditions of our study.
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Curry, S.H., DeVane, C.L. & Wolfe, M.M. Lack of interaction of ranitidine with amitriptyline. Eur J Clin Pharmacol 32, 317–320 (1987). https://doi.org/10.1007/BF00607582
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DOI: https://doi.org/10.1007/BF00607582