The effects of rifampin and rifabutin on the pharmacokinetics and pharmacodynamics of a combination oral contraceptive.

Author: Barditch-CrovoP, CoreshJ, EtteE, FlexnerC, HendrixC W, RoccoL E, TrapnellC B, ZacurH A

Paper Details 
Original Abstract of the Article :
Rifampin (INN, rifampicin), a CYP34A inducer, results in significant interactions when coadministered with combination oral contraceptives that contain norethindrone (INN, norethisterone) and ethinyl estradiol (INN, ethinylestradiol). Little is known about the effects of rifabutin, a related rifamyc...See full text at original site
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引用元:
https://doi.org/10.1016/S0009-9236(99)70138-4

データ提供:米国国立医学図書館(NLM)

Rifampin and Rifabutin: A Tale of Two Rifamycins

The world of medicine is a vast desert, full of fascinating interactions between different substances. This research delves into the interactions between rifampin and rifabutin, two related rifamycins, and their impact on oral contraceptives. It's a delicate balance, like navigating a sandstorm, where one wrong move can lead to unexpected outcomes.

The researchers used [research methods] to understand how these drugs affect the pharmacokinetics and pharmacodynamics of combination oral contraceptives containing norethindrone and ethinyl estradiol. Their findings reveal that rifampin, a CYP34A inducer, can significantly alter the effectiveness of these contraceptives. However, the effects of rifabutin are less clear.

A Sandstorm of Interactions

The research indicates that rifampin, like a powerful desert wind, can disrupt the delicate balance of hormones in oral contraceptives. This disruption can lead to reduced effectiveness, similar to a sandstorm obscuring the path of a traveler.

Navigating the Desert of Contraception

It's crucial to be aware of these interactions. If you're taking rifampin and using combination oral contraceptives, you might need to discuss alternative methods of contraception with your doctor. It's like ensuring you have a reliable compass and sturdy camel to guide you safely through the desert.

Dr.Camel's Conclusion

This study illuminates the intricate relationship between rifampin, rifabutin, and oral contraceptives. It's a reminder that even in the seemingly vast and unchanging desert of medicine, new discoveries and interactions are constantly emerging. Like a traveler navigating a desert, it's important to be aware of the potential hazards and seek guidance from trusted sources.

Date :
  1. Date Completed 1999-05-06
  2. Date Revised 2013-11-21
Further Info :

Pubmed ID

10223781

DOI: Digital Object Identifier

10.1016/S0009-9236(99)70138-4

SNS
PICO Info
in preparation
Languages

English

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