"Today, the U.S. Food and Drug Administration announced it has approved the use of Plan B One-Step (levonorgestrel) as a nonprescription product for all women of child-bearing potential. This action complies with the April 5, 2013 order of the Uni"...
NuvaRing Consumer (continued)
Some products that may interact with this drug include: aromatase inhibitors (such as anastrozole, exemestane), ospemifene, tamoxifen, tizanidine, tranexamic acid, a certain combination product used to treat chronic hepatitic C (ombitasvir/paritaprevir/ritonavir/dasabuvir).
Some drugs may cause hormonal birth control to work less well by decreasing the amount of birth control hormones in your body. This effect can result in pregnancy. Examples include griseofulvin, modafinil, rifamycins (such as rifampin, rifabutin), St. John's wort, drugs used to treat seizures (such as barbiturates, carbamazepine, felbamate, phenytoin, primidone, topiramate), HIV drugs (such as nelfinavir, nevirapine, ritonavir), among others.
Tell your doctor when you start any new drug, and discuss if you should use additional reliable birth control. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well.
This medication may interfere with certain laboratory tests (such as blood clotting factors, thyroid), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this medication.
OVERDOSE: This product may be harmful if swallowed. Overdose with this product is highly unlikely. Do not use more than one ring at a time. If swallowing or overdose is suspected, remove the ring if possible and contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
NOTES: Do not share this medication with others.
Keep all regular medical and laboratory appointments. You should have regular complete physical exams which include laboratory and medical tests (such as blood pressure, breast exam, pelvic exam, Pap smear) to monitor your progress and check for side effects. Follow your doctor's instructions for examining your breasts, and report any lumps right away. Consult your doctor for more details.
MISSED DOSE: Refer to the product package information for instructions. You may need to use back-up birth control (such as condoms, spermicide) to prevent pregnancy. Ask your doctor or pharmacist if you have any questions.
If you have trouble remembering to remove and reinsert the ring as directed, or if it falls out repeatedly, contact your doctor to discuss switching to another form of birth control.
STORAGE: Different brands of this product have different storage needs. Check the product package for instructions on how to store your brand, or ask your pharmacist. Do not use after 4 months or after the expiration date, whichever comes first. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. (See also How to Use section.)
Information last revised February 2015. Copyright(c) 2015 First Databank, Inc.
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