Product image of Norethisterone Remedica (Norethisterone) supplied by GNH India

Norethisterone Remedica

Active Ingredient:
Norethisterone
Origin:
EU

Norethisterone Remedica (Norethisterone)

Norethisterone, the active ingredient in Norethisterone Remedica, is a synthetic progestogen presented as an oral tablet for oral administration. It is employed to manage various menstrual disorders and to provide hormonal contraception for women of reproductive age.

GNH India supplies Norethisterone Remedica as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring quality and regulatory compliance across markets.

Manufacturer / TM Owner

Remedica Ltd

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Indications & Clinical Uses

Norethisterone is a synthetic progestogen used in the management of hormonal and menstrual conditions.

  • Menstrual disorders: regulates irregular cycles and reduces heavy bleeding.
  • Endometriosis: suppresses ectopic endometrial tissue growth and alleviates pain.
  • Primary dysmenorrhea: decreases menstrual pain by stabilizing the uterine lining.
  • Secondary amenorrhea: induces withdrawal bleeding in women with absent periods.
  • Hormonal contraception: prevents ovulation and creates an unfavorable endometrial environment for implantation.

How It Works

  • Norethisterone binds to progesterone receptors in target tissues, mimicking natural progesterone. This binding suppresses the hypothalamic‑pituitary‑gonadal axis, reducing gonadotropin-releasing hormone and luteinizing hormone secretion, which inhibits ovulation. In the endometrium, it induces secretory changes that are not supportive of implantation, while also stabilizing the uterine lining to lessen menstrual bleeding.

Side Effects

Norethisterone may cause a range of adverse reactions, which are generally classified by frequency and severity.

Common Side Effects

  • Nausea or vomiting
  • Breast tenderness
  • Headache
  • Mood changes
  • Weight gain
  • Spotting between periods

Serious or Rare Side Effects

  • Deep vein thrombosis or pulmonary embolism
  • Severe allergic reaction (anaphylaxis)
  • Liver dysfunction (jaundice, elevated enzymes)
  • Visual disturbances
  • Severe abdominal pain

Precautions & Warnings

Before prescribing Norethisterone, clinicians should evaluate patient history and risk factors.

  • Contraindication: pregnancy – the drug is contraindicated in pregnant women.
  • Cardiovascular risk: avoid in patients with a history of thromboembolic disorders.
  • Liver disease: use with caution in severe hepatic impairment.
  • Smoking: advise women over 35 who smoke to avoid use.
  • Drug interactions: review concomitant medications for potential interactions.
  • Store at ambient temperature: keep below 25 °C, in the original packaging, protected from moisture and light.

Avoid Interactions

Norethisterone can interact with several medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Anticoagulants (e.g., warfarin): may increase risk of thrombosis.
  • Strong enzyme inducers (e.g., rifampicin, carbamazepine): may reduce hormonal effectiveness.
  • Certain antiretrovirals (e.g., efavirenz): may lower plasma levels of norethisterone.

Moderate Interactions (Monitor Closely)

  • Antifungals (e.g., ketoconazole): may increase plasma concentration.
  • Antidepressants (SSRIs): may affect bleeding risk.
  • Herbal supplements (St. John’s wort): may decrease effectiveness.

Frequently Asked Questions

Norethisterone Remedica contains the synthetic progestogen norethisterone and is indicated for the treatment of menstrual disorders such as irregular cycles and heavy bleeding, for managing endometriosis‑related pain, for primary dysmenorrhea, for inducing withdrawal bleeding in secondary amenorrhea, and as a hormonal contraceptive to prevent ovulation.

Norethisterone binds to progesterone receptors, mimicking natural progesterone. This suppresses the hypothalamic‑pituitary‑gonadal axis, lowering gonadotropin‑releasing hormone and luteinizing hormone release, which prevents ovulation. In the uterus it creates a secretory endometrium that is not suitable for implantation and stabilises the lining to reduce menstrual bleeding.

The dosage of norethisterone is individualized. A qualified prescriber determines the appropriate strength, frequency and duration based on the specific indication, patient age, weight, medical history and concomitant therapies. Patients should follow the exact regimen written on their prescription label.

Norethisterone is contraindicated in pregnancy because it can affect fetal development. It is also not recommended for breastfeeding mothers unless the benefits outweigh the risks, as it may pass into breast milk. Women who are pregnant, planning pregnancy, or nursing should discuss alternative options with their healthcare provider.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity of Norethisterone Remedica. 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 the necessary import documentation.

Norethisterone is a progestogen‑only option, whereas many combined oral contraceptives contain both estrogen and progestogen. Progestogen‑only regimens may be preferred for women who cannot take estrogen due to migraine, hypertension or clotting risk. Norethisterone also has therapeutic uses beyond contraception, such as treating endometriosis and menstrual disorders, which combined pills do not typically address.

Store Norethisterone Remedica at ambient temperature, preferably below 25 °C (77 °F). Keep the tablets in the original blister pack or container, protect them from moisture, heat and direct sunlight, and keep them out of reach of children.

Norethisterone Remedica is taken orally, usually with water. The specific timing—such as with food or at a particular point in the menstrual cycle—depends on the prescribed indication and the prescriber’s instructions. Patients should not alter the schedule without consulting their healthcare professional.

Serious risks include thromboembolic events such as deep‑vein thrombosis or pulmonary embolism, severe allergic reactions (anaphylaxis), and liver dysfunction presenting as jaundice or abnormal liver enzymes. Any sudden chest pain, shortness of breath, severe abdominal pain, or signs of an allergic reaction should prompt immediate medical attention.

Norethisterone Remedica should not be used by women who are pregnant, have a known hypersensitivity to norethisterone or any excipients, have a history of thromboembolic disease, severe liver disease, or uncontrolled hypertension. It is also contraindicated in individuals with certain hormone‑dependent cancers. Clinicians must evaluate each patient’s medical history before prescribing.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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