Product image of Levodonna (Levonorgestrel) supplied by GNH India

Levodonna

Active Ingredient:
Levonorgestrel
Origin:
EU

Levodonna (Levonorgestrel)

Levonorgestrel, the active ingredient in Levodonna, is a progestin presented as an oral tablet for systemic use. It is employed to prevent pregnancy when taken as emergency contraception or as part of regular hormonal birth control in women of reproductive age and is approved for use in many European Union member states.

GNH India supplies Levodonna as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution.

Manufacturer / TM Owner

Sandoz N.V.

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Indications & Clinical Uses

Levodonna, containing levonorgestrel, is used within the hormonal contraceptive pathway to prevent unintended pregnancy.

  • Emergency contraception: prevents pregnancy after unprotected intercourse when taken within the recommended time frame.
  • Regular contraception: provides ongoing progestin‑only birth control for women seeking a reliable oral method.
  • Hormonal contraceptive: contributes to cycle regulation and reduces the risk of ovulation‑related conception.

How It Works

  • Levonorgestrel is a synthetic progestogen that binds to progesterone receptors in the hypothalamus and pituitary, inhibiting the luteinizing hormone surge and thereby suppressing ovulation. It also thickens cervical mucus, creating a barrier to sperm penetration, and alters the endometrial lining, reducing the likelihood of implantation. These combined actions make levonorgestrel effective both as an emergency dose taken shortly after intercourse and as a daily oral contraceptive.

Side Effects

Levodonna may cause a range of adverse reactions, varying from mild to serious.

Common Side Effects

  • Nausea: mild stomach upset often occurring shortly after ingestion.
  • Headache: transient cranial pain that usually resolves without treatment.
  • Abdominal pain or cramps: discomfort in the lower abdomen.
  • Menstrual changes: spotting, irregular bleeding or delayed onset of the next period.

Serious or Rare Side Effects

  • Allergic reaction: rash, itching, swelling, or anaphylaxis requiring immediate medical attention.
  • Severe abdominal pain: may indicate ectopic pregnancy or other complications.
  • Liver dysfunction: jaundice, dark urine, or elevated liver enzymes.

Precautions & Warnings

Before prescribing Levodonna, healthcare professionals should consider several precautionary measures.

  • Assess contraindications: ensure the patient has no known hypersensitivity to levonorgestrel or other progestins.
  • Review medication history: identify drugs that may reduce contraceptive efficacy.
  • Counsel on timing: emphasize the importance of taking the dose within the recommended window for emergency use.
  • Monitor for adverse reactions: advise patients to seek care if they experience severe abdominal pain, allergic signs, or prolonged bleeding.
  • Store at room temperature: keep the tablets in the original packaging, protect from moisture and heat.

Avoid Interactions

Levodonna can interact with other medicines, affecting its effectiveness or safety.

Major Interactions (Avoid)

  • Rifampin: induces hepatic enzymes, markedly decreasing levonorgestrel levels and contraceptive reliability.
  • Anticonvulsants (carbamazepine, phenytoin, phenobarbital): increase metabolism, reducing efficacy.
  • St. John’s Wort: herbal enzyme inducer that may lower plasma concentrations.

Moderate Interactions (Monitor Closely)

  • Antifungal azoles (ketoconazole, itraconazole): may increase levonorgestrel exposure, requiring observation for side effects.
  • Certain antibiotics (ampicillin, tetracycline): may slightly diminish contraceptive effect; advise backup protection.
  • Estrogen‑containing hormonal therapies: can alter bleeding patterns and require monitoring.

Frequently Asked Questions

Levodonna is a pharmaceutical product that contains levonorgestrel, a synthetic progestin. It is used as an emergency contraceptive to prevent pregnancy after unprotected sexual intercourse, and it can also be part of a regular hormonal birth‑control regimen for women of reproductive age.

Levonorgestrel works by binding to progesterone receptors in the hypothalamus and pituitary gland, which suppresses the luteinizing hormone surge and prevents ovulation. It also thickens cervical mucus, making it difficult for sperm to reach an egg, and alters the uterine lining to reduce the chance of implantation.

The dosage of Levodonna is determined by the prescribing healthcare professional based on the specific indication—whether it is being used for emergency contraception or as part of a regular contraceptive schedule. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Levodonna is intended to prevent pregnancy and is not recommended for use during an established pregnancy. Its safety during breastfeeding has not been fully established, so healthcare providers usually advise caution and may recommend alternative methods if lactation is ongoing.

To order Levodonna, 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 and any necessary import documentation.

Levodonna contains levonorgestrel, which is one of the most widely used active ingredients in emergency contraception. Compared with copper‑IUD insertion, it is less invasive but must be taken within a defined time window. Compared with ulipristal acetate, levonorgestrel is generally less expensive but may be slightly less effective when taken beyond 72 hours after intercourse.

Levodonna tablets should be stored at room temperature, below 25 °C, in their original blister pack or container. They must be kept away from excess moisture, direct sunlight and heat sources to maintain potency throughout their shelf life.

Levodonna is taken orally, usually as a single tablet for emergency contraception. When used as part of a regular contraceptive regimen, it may be prescribed as a daily tablet taken at the same time each day, following the prescriber’s schedule.

Serious risks, although rare, include severe allergic reactions such as anaphylaxis, significant abdominal pain that could signal an ectopic pregnancy, and liver dysfunction manifested by jaundice or abnormal liver‑function tests. Any of these symptoms require immediate medical evaluation.

Levodonna should not be used by individuals with a known hypersensitivity to levonorgestrel or any other component of the tablet, by women who are currently pregnant, and by those with active liver disease or unexplained vaginal bleeding. A healthcare professional should assess suitability before prescribing.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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