Introduction
Norigest 200mg Injection is a hormonal contraceptive used to prevent pregnancy. It contains Norethisterone Oenanthate, a synthetic progestogen that works by inhibiting ovulation, thickening cervical mucus to block sperm penetration, and altering the uterine lining to prevent implantation. It is given via intramuscular injection and provides effective, long-acting contraception when administered as directed by a healthcare professional.
Primary Uses
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Birth control (contraception).
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Regulation of hormonal balance in certain gynecological conditions (as advised by doctor).
Indications
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Prevention of pregnancy in women who require injectable hormonal contraception.
Side Effects
Commonly reported side effects include:
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Headache, nausea, GI upset.
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Breast tenderness or feeling of tension in breasts.
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Weight changes.
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Mood changes including depression or irritability.
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Changes in libido.
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Breakthrough bleeding or menstrual irregularities (including amenorrhea).
Seek medical attention if severe side effects occur.
Warnings
Pregnancy: Contraindicated; should not be used if pregnant.
Lactation: May reduce milk production at higher doses; avoid in lactating mothers under 6 weeks postpartum.
Driving: May cause dizziness or drowsiness; avoid driving if affected.
Precautions
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Use with caution in patients with undiagnosed vaginal bleeding, severe depression, diabetes, or liver disease.
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Not suitable for patients with severe cardiovascular disorders, breast cancer, liver tumors, or clotting disorders.
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Should not be used if allergic to Norethisterone or formulation components.
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Must wait at least 6 weeks postpartum if breastfeeding before use.
Contraindications
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Pregnancy.
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Severe liver disease or liver tumors.
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Breast cancer or suspected malignancy.
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Severe diabetes.
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Thromboembolic disorders (blood clots).
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Hypersensitivity to the drug.
Related Lab Tests
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Pregnancy Test (Urine) before initiation to rule out pregnancy.
Doctor’s Review
Dr. Ayesha Rahman, Consultant Gynecologist:
“Norigest injection is a convenient long-acting contraceptive option for women who prefer injectable birth control. It provides effective protection against pregnancy when used correctly, but regular medical follow-up is important to monitor hormonal side effects and overall health.”
Disclaimer
This content is for educational purposes only and not a substitute for medical advice. Always consult a qualified doctor before starting or stopping any medication.

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