What are the common side effects of emergency postcoital contraception?

Updated: Jan 24, 2019
  • Author: Kirsten J Sasaki, MD; more...
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Common side effects include the following:

  • Nausea and vomiting: Increased with the Yuzpe method versus levonorgestrel-only method [8, 10] ; if vomiting occurs within 3 hours of taking medication, another dose of medication may be required [11, 12]

  • Headache

  • Bleeding: The patient’s next period may be early or delayed by 1 week owing to the mechanism of emergency contraception; patients without a period within 21 days of undergoing emergency contraception may be pregnant and should contact a healthcare professional

  • Breast tenderness

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