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Backup Plan Onestep

Backup Plan Onestep

(levonorgestrel)

Backup Plan Onestep (Levonorgestrel) belongs to the family of medications known as progestins. Progestins are female sex hormones that are used in birth control pills and often in combination with the hormone estrogen.

Available form

Dosage

Tablet

1.5MG

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Backup Plan Onestep information

Dosage

Side Effects

Available Form

Contraindications

Precautions

Warnings

The 1.5 mg tablet contained in the kit should be taken as soon as possible within 72 hours of unprotected sexual intercourse. The medication is most effective if taken within 12-24 hours of unprotected sexual intercourse.

Because Backup Plan Onestep (Levonorgestrel) is often associated with nausea, your doctor may also want you to take medication to prevent nausea at the same time as taking these pills. If you vomit within 2 hours of taking the tablet, you should contact your health care provider as you may need to take another dose. Backup Plan Onestep (Levonorgestrel) can be used at any time during the menstrual cycle. It can be taken with or without food. Taking it with food may help reduce the nausea.

Most women have their expected menstrual period within 7 days of their normal time after using this medication. If you don't have your menstrual period within 7 days of when it is expected, you should have a pregnancy test done.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.

It is important to take this medication exactly as recommended by your doctor. Backup Plan Onestep (Levonorgestrel) is not intended to be used routinely as birth control.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

There may be an interaction between Backup Plan Onestep (Levonorgestrel) and any of the following:

acitretin
antibiotics (ampicillin, cotrimoxazole, Tetracycline, clarithromycin)
Apixaban
Aprepitant
barbiturates (e.g., pentobarbital, Phenobarbital)
Bosentan
cannabis
Carbamazepine
Cholestyramine
Colestipol
Clobazam
Cobicistat
Cyclosporine
dabigatran
Dabrafenib
darunavir
Deferasirox
diabetes medications (e.g., Canagliflozin, Glyburide, insulin, Metformin, Rosiglitazone)
Edoxaban
efavirenz
Eslicarbazepine
Exenatide
fosaprepitant
fosphenytoin
Heparin
HIV protease inhibitors (e.g., atazanavir, indinavir, ritonavir, saquinavir)
Isotretinoin
Lamotrigine
low-molecular-weight heparins (e.g., Dalteparin, Enoxaparin, Tinzaparin)
lumacaftor and Ivacaftor
mifepristone
Modafinil
mycophenolate
nevirapine
Octreotide
Oxcarbazepine
Perampanel
Phenytoin
primidone
rifampin
rifabutin
Rivaroxaban
St. John's wort
Sarilumab
Selegiline
siltuximab
thalidomide
Tocilizumab
Topiramate
Tranexamic acid
Triazolam
tretinoin
Ulipristal
Voriconazole
Warfarin

Because only one tablet of Backup Plan Onestep (Levonorgestrel) is taken, the effects of these medications on how the Backup Plan Onestep (Levonorgestrel) works is likely to be minimal. If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

stop taking one of the medications,
change one of the medications to another,
change how you are taking one or both of the medications, or
leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Backup Plan Onestep (Levonorgestrel). Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. Also tell them about any supplements you take. Since caffeine, decongestants, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.

Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Backup Plan Onestep (Levonorgestrel).

Decreased effectiveness: This medication may be less effective for women who weigh more than 165 pounds (75 kg) . Regardless of body weight, Backup Plan Onestep (Levonorgestrel) should be taken as soon after unprotected intercourse as possible to ensure the most reliable outcome. If you weigh more than 165 pounds, you may wish to contact your doctor or pharmacist for advice about emergency contraception.

Diabetes: Although few women have experienced loss of blood glucose control when taking progestin-only pills, women with diabetes should monitor their blood glucose carefully after taking Backup Plan Onestep (Levonorgestrel).

Liver problems: The safety of using Backup Plan Onestep (Levonorgestrel) has not been established for people with liver disease. If you have liver disease, discuss with your doctor whether any special monitoring is needed.

Migraine: After taking a dose of Backup Plan Onestep (Levonorgestrel), you may experience a severe headache or a migraine.

Sexually transmitted infections: This medication does not protect against sexually transmitted infections, including HIV or AIDS. For protection against these infections, latex condoms should be used.

Pregnancy: Backup Plan Onestep (Levonorgestrel) should not be used during pregnancy. It will not terminate a pregnancy that has already been established.

Breast-feeding: Small amounts of progestin pass into the breast milk of women taking progestin-only pills. No adverse effects have been found with taking Backup Plan Onestep (Levonorgestrel) while breast-feeding, either in the quality and quantity of milk or in the growth and development of the infant.

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