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Doctor insights on: Plan B After Effects

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What are some common effects a woman would feel after taking the Plan B pill?

What are some common effects a woman would feel after taking the Plan B pill?

A #: Potential side effects with Plan B can include: tender breasts; changes in menstrual flow; loose stools; dizziness; headache; nausea/ vomiting; abdominal discomfort or feeling tired. If you develop chest tightness, difficulty breathing, swelling of lips, mouth, throat – call 911. Notify your doctor if you miss your period or develop significant lower abdominal pain. ...Read more

Dr. Peter Baumann
851 doctors shared insights

Levonorgestrel (Definition)

Levonorgestrel is a progestin commonly used in oral contraceptives and the Mirena iud. It has ...Read more


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When after taking Plan B do the side effects start?

When after taking Plan B do the side effects start?

May begin soon: After taking the pills. Potential side effects with emergency contraception can include: tender breasts; changes in menstrual flow (spotting, bleeding, early or late period); loose stools; dizziness; headache; nausea/ vomiting; abdominal discomfort or feeling tired. If you develop chest tightness, difficulty breathing, swelling of lips, mouth, throat – call 911. Notify your doctor if your period >. ...Read more

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Should i be worried that there were side effects after i took Plan B the first time but no side effects when i took the Plan B a month later?

Should i be worried that there were side effects after i took Plan B the first time but no side effects when i took the Plan B a month later?

NO: Patients can have different tolerance to hormonal medications, particularly when they take them repeatedly. Do not worry, be happy you feel better. ...Read more

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How long after taking Plan B until the side effects start?

Within 24 hours: Some side effects may start as early as 1 hour like vomiting and headache, and allergic reaction to the medicine and others may come within 24 hours and mestrual changes if any at next period but not every one who takes Plan B gets the all or some of the side effects. ...Read more

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How long do the side effects of levonorgestrel (plan b) last after you take it?

Usually only a days: Usually not long, usually they should be gone once you get your period. Obviously of you do not get a period you need to see your obgyn for evaluation or if your symptoms persist. ...Read more

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I have already taken plan b twice. Once was about a month ago and the second time was maybe a week after, which would be two weeks ago. The condom broke again, before ejaculation, but Precum could be seen. Would I experience negative side effects from tak

I have already taken plan b twice. Once was about a month ago and the second time was maybe a week after, which would be two weeks ago. The condom broke again, before ejaculation, but Precum could be seen. Would I experience negative side effects from tak

No, take Plan B: No, take Plan B again and for Plan A find a suitable backup vaginal contraceptive to use with your condoms in the future. It improves your chances of preventing pregnancy without Plan B from 80 to 98+%. ...Read more