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  • Title: Kinetics of theophylline transfer to breast milk.
    Author: Stec GP, Greenberger P, Ruo TI, Henthorn T, Morita Y, Atkinson AJ, Patterson R.
    Journal: Clin Pharmacol Ther; 1980 Sep; 28(3):404-8. PubMed ID: 7408400.
    Abstract:
    Investigation of three nursIng women given theophylline intravenously defined the kinetics of theophylline transfer into breast milk. In each subject, R was constant, with no significant delay between the attainment of peak plasma and peak milk concentrations. The amount of theophylline eliminated into milk was equal to the product of R, milk volume, and the simultaneous maternal plasma concentration. The data indicate that theophylline cumulation to toxic concentrations should not occur in most breast-fed infants of asthmatic women treated with appropriate doses of theophylline.
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