Additional information
| Active substance | Norethisterone |
|---|---|
| Chemical name | 17-Hydroxy-19-nor-17О±-pregn-4-en-20-yn-3-one |
| Side effects | Menstrual irregularities, nausea, breast tenderness, headache, mood changes |
| Effects | Induces secretory changes in the endometrium, suppresses ovulation, and modifies cervical mucus |
| Dosage (sports) | Not typically used for performance enhancement purposes |
| Dosage (medical) | Typically 5 mg daily for various conditions, but can vary based on specific treatment needs |
| Half-life | Approximately 8 hours |
| Main action | Progestogenic activity |
| Substance class | Synthetic progestogen |
| Formula | C20H26O2 |
| Storage conditions | Store at room temperature away from moisture and heat |
| Trade name | Primolut N, Aygestin, others |
| Blood pressure | Can cause increased blood pressure in susceptible individuals |
| Also known as | Norethindrone (USAN) |
| Strength | 5mg |
| Lab Test | Plasma levels can be measured by specific assays |
| Hepatotoxicity | Low risk at therapeutic doses |
| Water Retention | Minor to moderate |
| Use in sports | Not commonly used in sports due to its hormonal effects |
| Manufacturer | Cipla Ltd. |
| Packing | 10 tabs/blister |
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