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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Brownish Spotting, Dizziness And Nausea Post Unprotected Sex?

Hi, I had unprotected sex on the 7th day of my cycle, it was at the very end. I took a plan b pill about 38 hours later. It s been 5 days since I ve taken the pill and now I have some brownish blood discharge, dizziness, and nausea. My cycle is not due for another 13 days? Do you think I m experiencing implantation bleeding or side effects from the plan b pill?
Mon, 11 Apr 2016
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General & Family Physician,  's  Response
Hello dear
I think you have side effects of plan B pills.
But you have to confirm pregnancy by urinary kit/Blood HCG level.

Plan B tablet is emergency contraceptive pill contain 1.5 levonogestrol.
It inhibits the ovulation and prevents the pregnancy.
95 % effective if taken with in 72 hour of unprotected sexual intercourse.

So may be chance of pregnancy is 5 %
You should go for Blood HCG or abdominal USg for better confirmation of pregnancy if period will not come.

Note common side effects of plan B pill:
Delayed or irregular menstruation due to hormone imbalance.
Bleeding between periods/spotting or heavier menstrual bleeding
Nausea or vomiting
Dizziness
Fatigue
Headache
Breast tenderness
Lower abdominal pain or cramps

It will disappear in 4-5 days.
Hope this may help you.
Best regards
Dr. Sagar
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What Causes Brownish Spotting, Dizziness And Nausea Post Unprotected Sex?

Hello dear I think you have side effects of plan B pills. But you have to confirm pregnancy by urinary kit/Blood HCG level. Plan B tablet is emergency contraceptive pill contain 1.5 levonogestrol. It inhibits the ovulation and prevents the pregnancy. 95 % effective if taken with in 72 hour of unprotected sexual intercourse. So may be chance of pregnancy is 5 % You should go for Blood HCG or abdominal USg for better confirmation of pregnancy if period will not come. Note common side effects of plan B pill: Delayed or irregular menstruation due to hormone imbalance. Bleeding between periods/spotting or heavier menstrual bleeding Nausea or vomiting Dizziness Fatigue Headache Breast tenderness Lower abdominal pain or cramps It will disappear in 4-5 days. Hope this may help you. Best regards Dr. Sagar