Alexandria Apothecary Archive

Tag: hormonal contraceptives

Rifampin and Birth Control: Why Your Contraceptive May Fail

Rifampin and Birth Control: Why Your Contraceptive May Fail

Jun 13, 2026 / 0 Comments

Rifampin drastically reduces the effectiveness of hormonal birth control by accelerating liver metabolism. Learn why this antibiotic causes breakthrough ovulation, how it differs from other drugs, and the essential steps to prevent unintended pregnancy.

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Levonorgestrel: Effects on Fertility and Pregnancy Explained

Levonorgestrel: Effects on Fertility and Pregnancy Explained

Oct 24, 2025 / 13 Comments

Learn how levonorgestrel impacts fertility and pregnancy, its safety profile, and how it compares to other emergency contraceptives.

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