Product image of Oestraclin (Estradiol) supplied by GNH India

Oestraclin

Active Ingredient:
Estradiol
Origin:
EU

Oestraclin (Estradiol)

Estradiol, the active ingredient in Oestraclin, is an estrogen presented as a topical formulation for cutaneous use. It is used to treat estrogen deficiency symptoms in women, such as those occurring during menopause or ovarian failure.
GNH India supplies Oestraclin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Seid, S.A.

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Indications & Clinical Uses

Oestraclin, an estradiol‑based product, acts on estrogen‑dependent pathways to restore hormonal balance.

  • Menopausal symptoms: alleviates hot flashes, vaginal dryness, and mood changes associated with estrogen deficiency.
  • Hypoestrogenism due to ovarian failure: restores estrogen levels in women with primary ovarian insufficiency.
  • Postmenopausal bone health: helps prevent bone loss and reduces risk of osteoporosis in postmenopausal women.

How It Works

  • Estradiol binds to intracellular estrogen receptors (ERα and ERβ), forming a hormone‑receptor complex that translocates to the nucleus and modulates transcription of estrogen‑responsive genes. This action influences the growth, differentiation, and function of target tissues, restoring estrogen‑dependent physiological processes.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Breast tenderness: localized discomfort or swelling.
  • Headache: transient cranial pain.
  • Fluid retention: mild edema, especially in the lower extremities.
  • Mood changes: irritability or emotional lability.
  • Skin irritation at application site: redness or itching.

Serious or Rare Side Effects

  • Thromboembolic events: deep vein thrombosis or pulmonary embolism.
  • Gallbladder disease: biliary colic or cholecystitis.
  • Hepatic dysfunction: abnormal liver enzymes or jaundice.
  • Allergic reactions: rash, urticaria, or anaphylaxis.
  • Endometrial hyperplasia: abnormal uterine bleeding.
  • Vision changes: rare ocular disturbances.

Precautions & Warnings

When considering Oestraclin therapy, several safety measures should be observed.

  • Cardiovascular risk assessment: evaluate history of thrombosis or stroke before initiating therapy.
  • Breast cancer screening: perform regular mammograms and clinical exams.
  • Liver function monitoring: check hepatic enzymes periodically, especially in patients with known liver disease.
  • Contraindication in estrogen‑sensitive tumors: avoid use in patients with known or suspected hormone‑dependent cancers.
  • Dose adjustment in hepatic impairment: consider lower doses or increased monitoring.
  • Store at room temperature: keep in the original container, protect from moisture and direct light.

Avoid Interactions

Estradiol may interact with several concomitant medications, requiring careful management.

Major Interactions (Avoid)

  • Oral contraceptives: additive estrogenic effect may increase risk of thrombosis.
  • Anticoagulants (e.g., warfarin): enhanced pro‑thrombotic potential.
  • Hormone‑sensitive cancer therapies: antagonistic effects may reduce treatment efficacy.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (e.g., rifampin): may lower estradiol plasma levels.
  • Antihypertensives: estradiol can affect blood pressure control.
  • Thyroid hormone replacement: possible alteration of thyroid hormone metabolism.
  • SSRIs and SNRIs: may increase risk of serotonin syndrome when combined with hormonal therapy.

Frequently Asked Questions

Oestraclin contains estradiol, an estrogen that is used to treat symptoms of estrogen deficiency such as hot flashes, vaginal dryness, and mood changes in menopausal women or those with ovarian failure. It may also be prescribed to help maintain bone density in postmenopausal patients.

Estradiol binds to estrogen receptors inside cells, forming a complex that moves to the nucleus and influences gene transcription. This modulation restores normal estrogen‑dependent functions in tissues like the uterus, bone, brain, and skin, thereby alleviating deficiency symptoms.

The specific dose of Oestraclin is determined by the prescribing clinician based on the individual’s condition, age, and response to therapy. Patients should follow the dosage instructions provided by their healthcare professional and not adjust the amount on their own.

Estradiol is generally contraindicated in pregnancy because excess estrogen can affect fetal development. Its safety during breastfeeding is also uncertain, and clinicians usually advise against use unless the benefits clearly outweigh potential risks. Pregnant or nursing individuals should discuss alternatives with their doctor.

To request Oestraclin, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, confirming trade or institutional credentials before providing pricing, availability, shipping details, and any necessary import documentation.

Oestraclin delivers estradiol via a cutaneous route, which can provide more steady systemic levels compared with oral tablets that undergo first‑pass metabolism. This may result in fewer hepatic side effects and a different side‑effect profile, but the choice of therapy depends on patient preference, clinical situation, and physician judgment.

Oestraclin should be stored at room temperature, below 25 °C, in its original packaging. It must be kept away from moisture, direct sunlight, and extreme temperatures to maintain potency and stability.

Oestraclin is applied to the skin as directed by a healthcare professional. The exact site, frequency, and amount are determined by the prescriber, and patients should follow the application instructions carefully to ensure proper absorption.

The most serious risks include thromboembolic events such as deep‑vein thrombosis or pulmonary embolism, gallbladder disease, and hepatic dysfunction. Patients should be monitored for signs of blood clots, abdominal pain, jaundice, or unusual bleeding, and seek immediate medical attention if these occur.

Oestraclin is contraindicated in individuals with a history of estrogen‑dependent cancers (e.g., breast or endometrial cancer), active thromboembolic disease, uncontrolled hypertension, or severe liver disease. Pregnant women and those who are breastfeeding should also avoid it unless a physician determines it is absolutely necessary.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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