Quick answer: If you vomited within about two hours after taking a levonorgestrel Plan B-type pill, the medicine may not have been fully absorbed. Contact a pharmacist, clinician, or the product provider promptly because another dose may be needed. If vomiting happened later, absorption is more likely to have occurred, but follow the exact product leaflet.
Vomiting after emergency contraception is stressful because you cannot see how much medicine was absorbed. The right response depends mainly on the time between swallowing the pill and vomiting—not on whether you saw a tablet in the vomit.
Why Timing Matters
Oral medicine needs time to dissolve and enter the bloodstream. Vomiting very soon after a dose can expel some or all of it. Product instructions vary slightly, so check the leaflet and tell the healthcare professional the exact pill, dose, and timing.
- Vomited within two hours: Contact a qualified source immediately. A replacement dose may be advised.
- Vomited after more than two hours: The dose is more likely to have been absorbed. Do not automatically repeat it.
- Vomited repeatedly or cannot keep fluids down: Seek medical care and ask about a non-oral emergency option.
What If You Took Victoria OneStep?
Victoria OneStep contains levonorgestrel 1.5 mg. If vomiting occurred soon after the dose, contact StillSafe support, a pharmacist, or a clinician rather than guessing. Tell them:
- When unprotected sex happened
- When the tablet was swallowed
- When vomiting occurred
- Whether vomiting happened more than once
- Any medicines or supplements taken
What If You Took a Different Emergency Pill?
Do not assume every product follows the same repeat-dose rule. For Mifestad 10 or another five-day emergency contraceptive, follow its specific instructions and obtain individualized guidance.
Can Anti-Nausea Medicine Help?
People with a history of vomiting after hormonal medicine may be advised to take an anti-nausea medicine before a replacement dose. This should be discussed with a clinician or pharmacist because the correct medicine depends on health history, other drugs, pregnancy possibility, and availability.
What If You Vomit Again?
If repeated vomiting makes oral emergency contraception unreliable, ask urgently about a copper IUD. It is the most effective emergency contraceptive, does not depend on stomach absorption, and provides ongoing birth control when suitable.
Does Nausea Mean Plan B Is Working?
No. Nausea is a possible side effect, not proof of effectiveness. Likewise, having no nausea does not mean it failed. The outcome depends on timing, ovulation, absorption, and other factors—not how strongly you felt the side effects.
What to Do During the Next Few Days
- Drink small amounts of fluid regularly if your stomach is unsettled.
- Eat bland foods if tolerated.
- Do not take extra emergency pills for reassurance.
- Use condoms for any later sex.
- Expect that the next period may shift.
- Take a pregnancy test about three weeks after the incident.
When Vomiting Needs Medical Attention
Seek prompt medical care if vomiting is severe or persistent, you cannot keep fluids down, there are signs of dehydration, there is blood in vomit, you have severe abdominal pain, or vomiting is accompanied by fainting or confusion. Do not assume every symptom is only from the emergency pill.
Frequently Asked Questions
I saw something white in the vomit. Was it the pill?
It is often impossible to tell. Use the time since dosing and professional advice rather than visual inspection alone.
Can I crush the replacement tablet to stop vomiting?
Do not alter the tablet unless the product instructions or a pharmacist says it is acceptable.
Will vomiting make my pregnancy test inaccurate?
No. Vomiting may affect absorption of the emergency pill, but it does not directly invalidate a properly timed pregnancy test.
Bottom line: Vomiting soon after Plan B is a time-sensitive absorption question. Record the times and get advice promptly; do not guess or double-dose on your own.
Medical reference: CDC—Emergency Contraception. Always follow the leaflet for the exact product used.