By Medically reviewed by hellodoktor

Generic Name: Postinor® Brand Name(s): Generics only. No brands available.

Know the basics

What is Postinor® used for?

Postinor® is oral contraceptives for women with unprotected sexual intercourse by inhibiting the sticking of eggs in the endometrium, stimulates the movement of tubal, and increase the viscosity of the lining of the uterus.

How should I take Postinor®?

For orally taken form, you should:

  • Take Postinor® by mouth as directed by your doctor concerning: dose, schedule. Take Levonorgestrel as soon as possible after suspected birth control failure or after you have unprotected sexual intercourse. The first dose must be taken within 72 hours. Take the second tablet 12 hours after the first tablet.
  • Read the label carefully before using Postinor®.
  • Consult your doctor for any information on the label that you do not clearly understand.

How do I store Postinor®?

Postinor® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Postinor® in the bathroom or the freezer. There may be different brands of Postinor® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Postinor® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Know the precautions & warnings

What should I know before using Postinor®?

Before using Postinor®, tell your doctor if you have:

  • Allergic reaction: to Postinor®, excipients using for dosage form containing Postinor®. The information is detailed in the leaflet.
  • Allergic reaction to any other medicines, foods, dyes, preservatives, or animals.
  • Pediatric.
  • Geriatric.
  • Used any other health conditions, drugs that have a risk of interaction with Postinor®.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using this Postinor® during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Postinor®. Postinor® is pregnancy risk category X, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk;
  • B=No risk in some studies;
  • C=There may be some risk;
  • D=Positive evidence of risk;
  • X=Contraindicated;
  • N=Unknown.

Know the side effects

What side effects can occur from Postinor®?

As taking others medicines, taking Postinor® can cause some side effects. Most of them are rarely occurring and do not need any supplementary treatment. However, it is always important for you to consult your doctor if you have any problem after taking this medicine.

Some of the side effects are nausea, bleeding occurs after 2, 3-day dosing, then stops immediately, breast tension and headache.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Know the interactions

What drugs may interact with Postinor®?

Postinor® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval, such as Ampicillin®, Rifampicin®, Tetracycline®, Chloramphenicol®, Neomycin®, Sulphonamides®, barbiturates, and phenylbutazone.

Does food or alcohol interact with Postinor®?

Postinor® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Postinor®?

Postinor® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have, such as:

  • Pregnancy or suspected pregnancy;
  • Vaginal bleeding of unknown cause;
  • Liver and kidney disease;
  • Jaundice during pregnancy;
  • A history of breast cancer, ovarian and uterine;
  • History of asthma, heart failure, hypertension, migraine, epilepsy, kidney failure, diabetes, hyperlipidemia, depression, and thrombus phlebitis prolonged disorder thromboembolism and bleeding in the brain.

Understand the dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Postinor®.

What is the dose of Postinor® for an adult?

Consult your doctor for information about the dose of Postinor® hydrochloride.  Recommended doses in some cases are listed below:

  • A tablet within 1 hour after intercourse. Typically used for no more than 1-2 tablets / month. If you need more, more use other contraceptive methods.

What is the dose of Postinor® for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is Postinor® available?

Postinor® is available in the following dosage forms and strengths:

  • Tablets 0.75 mg.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services (115) or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Postinor®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: September 23, 2016 | Last Modified: September 12, 2019

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