For Healthcare Professionals > Plan B One‑Step® How Plan B Works Plan B Side Effects Taking Plan B Countdown Calculator Find a Store How to Save Possible side effects Wondering how taking Plan B might affect you? We've got you. Plan B is safe and effective. Some women may experience side effects from taking Plan B; these side effects tend to be mild. Remember: Plan B doesn't stay in your body long term, and it contains levonorgestrel - the same ingredient found in many popular birth control pills. Possible side effects include: A period that’s lighter, heavier, early, or late Nausea Lower abdominal cramps Tiredness Headache Dizziness Breast tenderness Vomiting Some women taking Plan B One-Step may have changes in their period, such as spotting or bleeding before their next period. If your period is more than a week late, it’s possible you might be pregnant. Get a pregnancy test and follow up with your healthcare professional. If you vomit within 2 hours of taking Plan B, talk to your healthcare professional to find out if you should repeat the dose. Still have questions? We’ve got you covered. See all FAQs Contact Us FAQs News & Media Resources Privacy Notice Terms of Use Site Map Instagram Facebook YouTube Twitter Use as directed. Plan B One‑Step is a registered trademark of Foundation Consumer Healthcare. © 2020 Foundation Consumer Healthcare. This site is intended for US audiences only.

For Healthcare Professionals > Plan B One‑Step® How Plan B Works Plan B Side Effects Taking Plan B Countdown Calculator Find a Store How to Save Plan B in the media In the media and want to get in touch? Contact tara@foundationch.com Need to download our packaging? We’ve got you! Find it here See what people are saying about Plan B Refinery29 Real women on why they chose to take Plan B Read More SELF 7 myths about emergency contraception you should stop believing Read More Refinery29 This is how Plan B ACTUALLY works SELF Here’s how emergency contraception actually works Glamour Why emergency contraception was the right birth control choice for me POPSUGAR This is exactly how effective your morning‑after pill is, according to doctors Well+Good OK, TMI. What happens when you take the morning after pill? Shape The 4 biggest misconceptions about Plan B Cosmopolitan 8 dangerous myths about Plan B, busted Women’ Health Should you actually double up [on your regular birth control pill] if you missed a dose? Bustle What happens to your body when you take the morning after pill Elite Daily 2 gynecologists reveal the top questions they get about condoms Plan B Packaging Download Contact Us FAQs News & Media Resources Privacy Notice Terms of Use Site Map Instagram Facebook YouTube Twitter Use as directed. Plan B One‑Step is a registered trademark of Foundation Consumer Healthcare. © 2020 Foundation Consumer Healthcare. This site is intended for US audiences only.