Product image of Ovestin (Estriol) supplied by GNH India

Ovestin

Active Ingredient:
Estriol
Origin:
EU

Ovestin (Estriol)

Estriol, the active ingredient in Ovestin, is an estrogen hormone presented as a vaginal cream for topical use. It is employed to alleviate estrogen‑deficiency symptoms, particularly in post‑menopausal women.
GNH India supplies Ovestin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Aspen Pharma Trading Limited

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Indications & Clinical Uses

Ovestin, an estrogen hormone, acts on the estrogen‑deficient pathways associated with menopause.

  • Menopausal vulvovaginal atrophy: restores moisture and reduces discomfort in the vaginal mucosa.
  • Urogenital atrophy: improves urinary symptoms and tissue health in the lower genital tract.
  • Mild systemic estrogen deficiency: alleviates occasional hot flashes and night sweats in post‑menopausal women.

How It Works

  • Estriol binds to estrogen receptors (ERα and ERβ) in target tissues, initiating transcription of genes that promote epithelial proliferation, increased vascularization, and mucosal hydration. Its selective activity results in a milder systemic estrogenic effect compared with estradiol, making it suitable for localized therapy of urogenital atrophy.

Side Effects

Estriol therapy may be associated with a range of adverse reactions.

Common Side Effects

  • Vaginal irritation or burning.
  • Mild breast tenderness.
  • Headache.
  • Nausea.
  • Light spotting or breakthrough bleeding.

Serious or Rare Side Effects

  • Endometrial hyperplasia or carcinoma.
  • Deep vein thrombosis or pulmonary embolism.
  • Stroke or myocardial infarction.
  • Severe allergic reaction (anaphylaxis).
  • Liver function abnormalities.

Precautions & Warnings

Before initiating estriol therapy, consider the following precautions.

  • Contraindications: avoid use in women with known estrogen‑dependent tumors or active thromboembolic disease.
  • Monitoring: periodic assessment of breast and pelvic health is recommended.
  • Drug interactions: review concomitant medications that affect estrogen metabolism.
  • Pregnancy and lactation: estriol is not recommended during pregnancy or while breastfeeding.
  • Storage: Store at room temperature below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Estriol may interact with several drug classes, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid)

  • Combined oral contraceptives: increased risk of thromboembolic events.
  • Anticoagulants (e.g., warfarin): potential alteration of anticoagulant effect.
  • Hepatic enzyme inducers (e.g., rifampin): may reduce estriol efficacy.

Moderate Interactions (Monitor Closely)

  • Selective serotonin reuptake inhibitors (SSRIs): may affect estrogen metabolism.
  • Antihypertensive agents: possible changes in blood pressure control.
  • Thyroid hormone replacement: monitor thyroid function tests.

Frequently Asked Questions

Ovestin contains estriol and is used primarily to treat menopausal vulvovaginal atrophy and related urogenital symptoms. It helps restore vaginal moisture, reduce irritation, and improve overall comfort in post‑menopausal women experiencing estrogen deficiency.

Estriol binds to estrogen receptors in the vaginal and uterine tissues, stimulating cellular proliferation and increasing blood flow. This localized estrogenic activity promotes tissue regeneration, enhances mucosal hydration, and alleviates atrophic changes without producing strong systemic effects.

The dosage of Ovestin is determined by the prescribing healthcare professional based on the patient’s condition, severity of symptoms, and individual response. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Estriol is generally not recommended for use during pregnancy or while breastfeeding because the safety profile has not been established for these populations. Women who are pregnant, planning to become pregnant, or nursing should discuss alternative treatments with their healthcare provider.

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

Compared with stronger estrogens such as estradiol, estriol in Ovestin offers a milder systemic effect and is often preferred for localized vaginal treatment. It provides effective symptom relief with a lower risk of systemic estrogen‑related adverse events, making it suitable for women who need targeted therapy.

Ovestin should be stored at room temperature below 25 °C, in its original packaging, protected from moisture and direct sunlight. Ensure the container is tightly closed to maintain product stability and prevent contamination.

Ovestin is applied topically to the vaginal area, typically using a calibrated applicator or measured dose as instructed by the prescriber. The patient should follow the recommended frequency and duration of treatment for optimal results.

Serious risks include endometrial hyperplasia or carcinoma, thromboembolic events such as deep‑vein thrombosis or pulmonary embolism, and rare allergic reactions. Patients should be monitored regularly for any signs of these conditions and report symptoms promptly.

Ovestin is contraindicated in women with a history of estrogen‑dependent cancers, active or past thromboembolic disease, uncontrolled hypertension, liver disease, or known hypersensitivity to estriol or any excipients in the formulation.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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