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

Levonorgestrel Teva

Active Ingredient:
Levonorgestrel
Origin:
EU

Levonorgestrel Teva (Levonorgestrel)

Levonorgestrel, the active ingredient in Levonorgestrel Teva, is a progestin presented as an oral tablet for oral use. It works by preventing ovulation and altering the uterine lining, providing both emergency contraception after unprotected intercourse and ongoing prevention of pregnancy.

GNH India supplies Levonorgestrel Teva as a licensed, GDP‑compliant international pharmaceutical supplier serving pharmacies, hospitals, and clinics worldwide, ensuring consistent quality, regulatory compliance, and reliable delivery across markets.

Manufacturer / TM Owner

Teva Pharma – Produtos Farmacêuticos Lda

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Indications & Clinical Uses

  • Levonorgestrel acts on the hormonal regulation pathway to prevent pregnancy.
  • Emergency contraception: reduces the risk of pregnancy when taken after unprotected sexual intercourse
  • Regular contraception: used as a progestin‑only oral contraceptive for ongoing birth control
  • Post‑coital contraception: provides a single‑dose option to prevent implantation after intercourse

How It Works

  • Levonorgestrel is a synthetic progestogen that binds to progesterone receptors in the hypothalamus and pituitary, suppressing the luteinizing hormone surge and thereby inhibiting ovulation. It also induces changes in cervical mucus and the endometrial lining, creating an environment less favorable for sperm penetration and implantation.

Side Effects

Levonorgestrel may cause a range of adverse reactions, most of which are mild and transient.

Common Side Effects

  • Nausea: mild to moderate stomach upset
  • Headache: occasional tension‑type headache
  • Breast tenderness: temporary swelling or discomfort
  • Menstrual changes: spotting or altered flow
  • Abdominal pain: cramping or discomfort
  • Fatigue: feeling unusually tired

Serious or Rare Side Effects

  • Allergic reaction: rash, swelling, or anaphylaxis
  • Severe abdominal pain: could indicate ectopic pregnancy
  • Chest pain or shortness of breath: rare cardiovascular events
  • Blood clots: deep‑vein thrombosis or pulmonary embolism (very rare)
  • Liver dysfunction: jaundice or abnormal liver enzymes

Precautions & Warnings

  • Before using Levonorgestrel, consider the following precautions to ensure safe and effective use.
  • Pregnancy status: avoid use if you are already pregnant
  • Timing of intake: take as soon as possible, preferably within 72 hours after intercourse
  • Drug interactions: review concomitant medications that may reduce effectiveness
  • Medical conditions: use with caution in hepatic impairment or uncontrolled hypertension
  • Store at below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Levonorgestrel can interact with other medicines, affecting its efficacy or safety.

Major Interactions (Avoid)

  • Rifampin: induces metabolism and reduces contraceptive effectiveness
  • Anticonvulsants (phenytoin, carbamazepine): lower plasma levels of levonorgestrel
  • St. John's Wort: herbal inducer that may diminish contraceptive protection

Moderate Interactions (Monitor Closely)

  • Antifungal azoles (ketoconazole, itraconazole): may increase levonorgestrel concentrations
  • Certain antibiotics (e.g., ampicillin): could slightly reduce efficacy
  • Hormonal therapies (estrogen‑containing products): may alter overall hormonal balance

Frequently Asked Questions

Levonorgestrel Teva is used as a hormonal contraceptive to prevent pregnancy. It is approved for emergency (post‑coital) contraception when taken shortly after unprotected intercourse, and it can also be part of a progestin‑only regimen for ongoing birth control under medical supervision.

Levonorgestrel works by binding to progesterone receptors, suppressing the luteinizing hormone surge and thereby preventing ovulation. It also thickens cervical mucus and modifies the endometrial lining, making it less receptive to sperm and reducing the chance of implantation.

The specific dose of Levonorgestrel Teva is determined by a qualified healthcare professional based on the indication and patient factors. For emergency use, a single dose is commonly prescribed, but the exact amount and regimen should follow the prescriber’s instructions.

Levonorgestrel is not intended for use during an established pregnancy and should be avoided if pregnancy is confirmed. Limited data are available for breastfeeding; however, most guidelines consider short‑term use acceptable, though a healthcare provider should evaluate individual risk‑benefit considerations.

To place an order, 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 is a progestin‑only option that is effective when taken within 72 hours of unprotected intercourse, offering a convenient single‑dose regimen. Compared with copper IUD insertion, it is less invasive but slightly less effective. Compared with ulipristal acetate, levonorgestrel may have a shorter window of efficacy but is widely available over‑the‑counter in many regions.

Levonorgestrel Teva tablets should be stored at temperatures below 25 °C, in their original packaging, and protected from moisture and direct sunlight. Do not store in bathrooms or near heat sources, and keep out of reach of children.

Levonorgestrel Teva is taken orally, usually as a single tablet. For emergency contraception, the tablet should be swallowed with water as soon as possible after unprotected sex, preferably within the first 72 hours. Follow any additional instructions provided by the prescribing clinician.

Serious but rare risks include severe allergic reactions (anaphylaxis), ectopic pregnancy, and thromboembolic events such as deep‑vein thrombosis. Any signs of severe abdominal pain, chest discomfort, difficulty breathing, or rash should prompt immediate medical evaluation.

Levonorgestrel should be avoided by individuals who are already pregnant, have a known hypersensitivity to levonorgestrel or any tablet excipients, or have uncontrolled severe hypertension. Caution is also advised for patients with significant liver disease, active breast cancer, or a history of thromboembolic disorders; a healthcare professional should assess suitability.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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