Product image of Kliogest (Norethisterone Acetate, Estradiol) supplied by GNH India

Kliogest

Active Ingredient:
Norethisterone Acetate, Estradiol
Origin:
EU

Kliogest (Norethisterone Acetate, Estradiol)

Norethisterone acetate and estradiol, the active ingredients in Kliogest, are a combined estrogen‑progestogen presented as an oral tablet for oral use. The formulation provides both estrogen and progestogen activity to prevent pregnancy and to replace declining hormones during menopause, and is prescribed for women of reproductive and perimenopausal age.

GNH India supplies Kliogest as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring product quality through stringent regulatory compliance and reliable cold‑chain‑free distribution. Our network facilitates timely delivery to diverse healthcare settings.

Manufacturer / TM Owner

Novo Nordisk

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Indications & Clinical Uses

Kliogest, a combined estrogen‑progestogen oral contraceptive, is employed in hormonal regulation pathways to prevent pregnancy and manage menopausal symptoms.

  • Contraception: prevents unintended pregnancy by inhibiting ovulation and altering cervical mucus.
  • Hormone replacement therapy: alleviates menopausal vasomotor symptoms and supports estrogen deficiency.
  • Menstrual cycle regulation: reduces irregular bleeding and stabilizes endometrial lining.

How It Works

  • Both norethisterone acetate and estradiol bind to progesterone and estrogen receptors, respectively, delivering progestogenic and estrogenic signals. This dual activity suppresses the hypothalamic‑pituitary‑ovarian axis, leading to inhibition of the mid‑cycle LH surge and ovulation. In addition, progestogen thickens cervical mucus and estradiol stabilizes the endometrial lining, creating an environment unfavorable for fertilization and implantation.

Side Effects

Kliogest may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Headache: tension‑type or migraine‑like pain.
  • Breast tenderness: discomfort or swelling of breast tissue.
  • Spotting or breakthrough bleeding: irregular light bleeding.
  • Mood changes: irritability or depressive symptoms.
  • Weight gain: modest increase in body weight.

Serious or Rare Side Effects

  • Thromboembolic events: deep vein thrombosis or pulmonary embolism.
  • Stroke or transient ischemic attack: cerebrovascular accidents.
  • Myocardial infarction: heart attack risk.
  • Severe hypertension: sudden high blood pressure.
  • Hepatic adenoma or cholestatic jaundice: liver abnormalities.
  • Allergic reactions: anaphylaxis or severe skin rash.

Precautions & Warnings

Before prescribing Kliogest, clinicians should evaluate patient risk factors and follow safety guidelines.

  • Cardiovascular assessment: avoid use in women with uncontrolled hypertension or history of thromboembolism.
  • Smoking restriction: do not prescribe to smokers of >15 cigarettes per day.
  • Liver function: assess hepatic disease as metabolism may be impaired.
  • Blood pressure monitoring: check regularly during treatment.
  • Pregnancy avoidance: ensure effective contraception; discontinue if pregnancy occurs.
  • Store at room temperature: keep in original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Kliogest can interact with other medicines, altering its effectiveness or safety profile.

Major Interactions (Avoid)

  • Strong enzyme inducers (e.g., rifampin, carbamazepine, phenytoin): reduce contraceptive efficacy.
  • Anticoagulants (warfarin): may decrease anticoagulant effect, increasing clot risk.
  • HIV protease inhibitors (ritonavir): may lower hormone levels, compromising contraception.
  • St. John’s wort: induces metabolism leading to loss of contraceptive protection.

Moderate Interactions (Monitor Closely)

  • Antifungal agents (ketoconazole, itraconazole): may increase hormone concentrations, raising side‑effect risk.
  • Selective serotonin reuptake inhibitors (fluoxetine, sertraline): possible modest increase in plasma levels.
  • Antibiotics (tetracycline, doxycycline): may slightly reduce effectiveness, advise backup contraception.
  • Diuretics (hydrochlorothiazide): monitor blood pressure changes.

Frequently Asked Questions

Kliogest is a combined estrogen‑progestogen oral tablet prescribed primarily for two purposes: as a reliable method of contraception to prevent unintended pregnancy, and as hormone replacement therapy to relieve menopausal symptoms such as hot flashes and to support estrogen levels in perimenopausal women.

Norethisterone acetate acts as a synthetic progestogen, binding to progesterone receptors, while estradiol provides estrogenic activity by binding to estrogen receptors. Together they suppress the hypothalamic‑pituitary‑ovarian axis, inhibit the LH surge, prevent ovulation, thicken cervical mucus, and stabilize the endometrial lining, creating conditions that prevent fertilization and implantation.

The dosing regimen for Kliogest is determined by the prescribing healthcare professional based on individual patient needs and clinical guidelines. Typically, it is taken once daily at the same time each day, but the exact number of tablets, cycle length, and any hormone‑free interval are set by the prescriber.

Kliogest is contraindicated in pregnancy because its hormonal components can affect fetal development. Women who become pregnant while using the product should discontinue it immediately. During breastfeeding, the estrogen component may reduce milk production, and the risk‑benefit profile should be evaluated by a healthcare provider before use.

To order Kliogest, 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 special handling) and the necessary import documentation.

Kliogest contains the specific combination of norethisterone acetate and estradiol, which offers a balance of progestogenic and estrogenic activity similar to many other combined oral contraceptives. Compared with formulations that use ethinyl‑estradiol, estradiol may have a slightly different metabolic profile and may be preferred in patients seeking a more natural estrogen component, though efficacy and safety remain comparable when used as directed.

Kliogest tablets should be stored at room temperature, below 25 °C, in the original blister pack or container. Protect them from moisture, excessive heat, and direct sunlight. Keep the product out of reach of children and do not use tablets that appear discolored or damaged.

Kliogest is taken orally, usually once daily at the same time each day. The tablet is swallowed whole with water and should be taken with or without food as directed by the prescriber. Consistency in timing helps maintain stable hormone levels and maximizes contraceptive effectiveness.

The most serious risks associated with Kliogest include thromboembolic events such as deep‑vein thrombosis or pulmonary embolism, stroke, myocardial infarction, severe hypertension, and rare liver disorders. Patients should seek immediate medical attention if they experience sudden chest pain, shortness of breath, severe headache, visual changes, or unexplained swelling of the legs.

Kliogest should not be used by women with a history of thromboembolic disease, uncontrolled hypertension, active liver disease, known or suspected breast cancer, or those who are pregnant. It is also contraindicated in smokers over the age of 35 and in individuals taking medications that significantly reduce its effectiveness, such as strong enzyme inducers.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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