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Doctor insights on: Levonorgestrel

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Dr. Jeffrey Juchau
904 Doctors shared insights

Levonorgestrel (Overview)

Levonorgestrel is a progestin commonly used in oral contraceptives and the Mirena (levonorgestrel) iud. It has properties similar to progesterone.


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What is another levonorgestrel-releasing intrauterine system besides mirena?

What is another levonorgestrel-releasing intrauterine system besides mirena?

Other IUDs: There was an iud called progestasert that contained progestin hormone, but now the only ones other than Mirena (levonorgestrel) come from other countries.

Dr. Jeffrey Juchau
904 Doctors shared insights

Levonorgestrel (Overview)

Levonorgestrel is a progestin commonly used in oral contraceptives and the Mirena (levonorgestrel) iud. It has properties similar to progesterone.


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Please describe the medication: levonorgestrel?

Please describe the medication: levonorgestrel?

Progestin: Levonorgestrel is a progestin commonly used in oral contraceptives and the Mirena (levonorgestrel) iud. It has properties similar to progesterone.

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My periods have not come after I took 1 ipill (levonorgestrel) tab on 20th jul. Usual date is 10th of the month. Blood pregnancy test is -ve. Pls help?

My periods have not come after I took 1 ipill (levonorgestrel) tab on 20th jul. Usual date is 10th of the month. Blood pregnancy test is -ve. Pls help?

Taking pill regl?: If you are using the birth control pill, taking every day (!!) at the same time, and have been on for a few months at least then with this low dose sort, sometimes no cycle is ok, just the uterus lining got really thin. So, don't worry. If this keeps up, tho, talk to ur doc who prescribes. You may want a pill with a little higher estrogen dose.

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I had an abortion about 25 days ago and my period hasn t started yet I had an unprotected sex an I used levonorgestrel after is it possible being preg?

I had an abortion about 25 days ago and my period hasn t started yet I had an unprotected sex an I used levonorgestrel after is it possible being preg?

Probably low risk: If you used Plan B within 72 hours of the sex, the risk of pregnancy is ~ 10%. But you may want to consider a reliable form of contraception so you don't have repeated pregnancy scares and end up needing another abortion.

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I had medical abortion 12 days ago, is it safe for my body to take Plan B (levonorgestrel 1.5 mg) with respect to future fertility? Thank you!

I had medical abortion 12 days ago, is it safe for my body to take Plan B (levonorgestrel 1.5 mg) with respect to future fertility? Thank you!

Yes, if f/u exam ok: If your doctor has cleared you that the abortion was complete, then Plan B as well as other birth control products can be used in the future without compromising your fertility. I strongly urge that you use some other birth control method and protected sex instead of Plan B for pregnancy prevention until you are ready to have a baby.

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I've been having tests recently to establish the cause of upper right abdomen pain. One recent test showed my ALT as 340. I need to take the morning after pill (levonorgestrel) is it safe to take?

Levonorgestrel: No formal studies were conducted to evaluate the effect of hepatic disease on the disposition of Levonorgestrel or submitted to the fda and there are no significant reports of liver toxicity so that it seems this should be safe, but always best to check with the doctor treating you.

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

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.

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How long do the side effects of levonorgestrel last for?

How long do the side effects of levonorgestrel last for?

Brief: If you are taking a birth control pill with this in it, it is out of your system within days of stopping the pill.

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I was on seasonique for 2 weeks and had sex and freaked and got Plan B just in case. The next day I had to start antibiotics. Is there a chance I could have gotten pregnant since antibiotics interact?

I was on seasonique for 2 weeks and had sex and freaked and got Plan B just in case. The next day I had to start antibiotics. Is there a chance I could have gotten pregnant since antibiotics interact?

Low risk: The birth control pills are effective 7 days after starting so it sounds like you were protected. Taking Plan B just is case is fine and lowered risk even further below pill failure rate. Most antibiotics do not interfere with birth control pills. Rifampin (a medication for tuberculosis) is the only antibiotic that decreases pill effectiveness. The antibiotic you were given does not.

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How many days till I breastfeed my 4 week old after I took the Plan B containg levonorgestrel?

How many days till I breastfeed my 4 week old after I took the Plan B containg levonorgestrel?

No delay: There is no reason to delay breastfeeding after taking Plan B since it has no effect on breastmilk. Consider starting birth control to prevent a pregnancy since you delivered 4 weeks ago.

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Can levonorgestrel be used 2 months in a row?

Depends: Depends for what reason, but it is routinely used for more than 2 months.

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Please describe the medication: levonorgestrel?

Progestin: Levonorgestrel is a progestin commonly used in oral contraceptives and the Mirena (levonorgestrel) iud. It has properties similar to progesterone.

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How long does levonorgestrel stay in your body?

Days: Levonorgestrel binds to proteins in the blood and is eventually eliminated through mostly urine and some in feces. The amount of time for half of the drug to be eliminated is about 17-24 hours, 3/4 gone by 36-48 hours, 7/8 gone by 2-3 days, etc. For all practical purposes you can assume it is all gone in about 5 days.

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What number of times a week will my girlfriend take levonorgestrel pill?

What number of times a week will my girlfriend take levonorgestrel pill?

Safe; not the best: Levonorgestrel emergency contraceptive pills are safe but it's as effective as other regular methods of birth control. She can discuss more effective options with her doctor or provider. Regular methods cost less too.

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How long do the side effects of levonorgestrel last for?

Brief: If you are taking a birth control pill with this in it, it is out of your system within days of stopping the pill.

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How long does the side effects of 0.75 levonorgestrel lasts?

How long does the side effects of 0.75 levonorgestrel lasts?

0.75 levonorgestrel: 0.75 levonorgestrel is the active ingredient in Plan B emergency contraception. It can alter the menstrual cycle for 1-2 cycles. Other side effects lasting several days after taking levonorgestrel include nausea, abdominal pain, fatigue, headache, dizziness, and breast tenderness.