Product image of Levonorgestrel Naari (Levonorgestrel) supplied by GNH India

Levonorgestrel Naari

Active Ingredient:
Levonorgestrel
Origin:
EU

Levonorgestrel Naari (Levonorgestrel)

Levonorgestrel, the active ingredient in Levonorgestrel Naari, is a progestin presented as a tablet for oral use. It is employed to prevent pregnancy after unprotected sexual intercourse and in other emergency contraception scenarios.
GNH India supplies Levonorgestrel Naari as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Naari B.V.

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Indications & Clinical Uses

Levonorgestrel is a progestin that acts within the hormonal contraception pathway to prevent unintended pregnancy.

  • Emergency contraception: prevents pregnancy when taken shortly after unprotected intercourse.
  • Pregnancy prevention: provides a backup method when regular contraception fails or is missed.
  • Menstrual cycle management: may be used under medical supervision to delay the onset of menstruation.

How It Works

  • Levonorgestrel binds to progesterone receptors in the hypothalamus and pituitary, suppressing the luteinizing hormone surge and thereby inhibiting ovulation. It also induces changes in the endometrial lining that reduce the likelihood of implantation should fertilization occur.

Side Effects

Levonorgestrel Naari may cause a range of adverse reactions.

Common Side Effects

  • Nausea: mild to moderate upset stomach.
  • Abdominal pain: cramping or discomfort in the lower abdomen.
  • Fatigue: feeling unusually tired or weak.
  • Headache: mild to moderate head pain.
  • Dizziness: sensation of light‑headedness or unsteadiness.
  • Menstrual changes: spotting, heavier flow, or delayed period.

Serious or Rare Side Effects

  • Allergic reaction: rash, itching, swelling, or anaphylaxis.
  • Severe abdominal pain: persistent or worsening pain.
  • Chest pain: discomfort that may indicate cardiovascular involvement.
  • Vision changes: blurred or double vision.
  • Blood clots: rare thromboembolic events.
  • Severe headache or migraine with neurological symptoms.

Precautions & Warnings

Before using Levonorgestrel Naari, consider the following safety measures.

  • Timing of administration: take as soon as possible after unprotected intercourse for maximum effectiveness.
  • Contraindications: avoid if you have a known hypersensitivity to levonorgestrel or any tablet excipients.
  • Pregnancy status: not indicated for use if you are already pregnant.
  • Breastfeeding: consult a healthcare professional before use while nursing.
  • Drug interactions: inform your provider of any enzyme‑inducing medications you are taking.
  • Store below 25°C: keep in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Levonorgestrel may interact with other medicines, altering its efficacy.

Major Interactions (Avoid)

  • Rifampin: strong enzyme inducer that reduces levonorgestrel levels.
  • St. John’s wort: herbal inducer that may lower effectiveness.
  • Carbamazepine, Phenytoin, Phenobarbital: anticonvulsants that increase metabolism.

Moderate Interactions (Monitor Closely)

  • Azole antifungals (e.g., ketoconazole): may increase levonorgestrel exposure.
  • HIV protease inhibitors: can affect hormone levels.
  • Certain antidepressants (e.g., sertraline): may modestly reduce efficacy.

Frequently Asked Questions

Levonorgestrel Naari is used as an emergency contraceptive to help prevent pregnancy after unprotected sexual intercourse or contraceptive failure. It provides a short‑term, high‑dose hormonal option that works primarily by inhibiting ovulation and altering the uterine lining to reduce the chance of implantation.

Levonorgestrel acts by binding to progesterone receptors in the hypothalamus and pituitary gland, suppressing the luteinizing hormone surge that triggers ovulation. It also induces changes in the endometrium, making the uterine environment less suitable for implantation of a fertilized egg.

The specific dose of Levonorgestrel Naari is determined by the prescribing healthcare professional. In emergency contraception, a single oral tablet is commonly used, but the exact regimen, timing, and any repeat dosing must be set by a qualified prescriber based on individual circumstances.

Levonorgestrel Naari is not intended for use during an established pregnancy and should be avoided if pregnancy is confirmed. While limited data suggest minimal transfer into breast milk, breastfeeding individuals should discuss potential risks and benefits with their healthcare provider before use.

To order Levonorgestrel Naari, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements), and necessary import documentation.

Levonorgestrel Naari is a progestin‑based emergency contraceptive, typically effective up to 72 hours after intercourse. An alternative, ulipristal acetate, can be effective up to 120 hours and may retain efficacy later in the cycle. Both have similar safety profiles, but ulipristal may be preferred for later‑window use, while levonorgestrel remains widely available and cost‑effective.

Store Levonorgestrel Naari below 25 °C in its original packaging, protecting it from moisture and direct sunlight. Keep the tablets out of reach of children and do not use the product if the packaging is damaged or the tablets appear discolored.

Levonorgestrel Naari is taken orally as a single tablet. The tablet should be swallowed whole with water, preferably as soon as possible after unprotected intercourse. No special preparation or food restrictions are required, but taking it with food may reduce nausea.

Serious but rare risks include severe allergic reactions (anaphylaxis), persistent abdominal pain, chest pain, visual disturbances, and rare thromboembolic events. If any of these symptoms occur, seek immediate medical attention. Prompt reporting of severe side effects helps ensure appropriate care.

Individuals with a known hypersensitivity to levonorgestrel or any tablet excipients should avoid the product. It is also contraindicated in women who are already pregnant, have active severe liver disease, or have a history of thromboembolic disorders without medical guidance. Consultation with a healthcare professional is essential before use.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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