Doxycycline/hormonal contraceptives/warfarin interaction
INR fluctuations and vaginal bleeding (first report of an interaction between warfarin and ethinylestradiol/norethisterone, and warfarin and etonogestrel): case report-
First Report
First published case report. Any claim to a 'first report' in AdisInsight has been verified by a database search of the literature.
In addition, for each first report, where possible, supporting information is provided from the WHO Adverse Drug Reactions Database.