Nacrez (Desogestrel)

Desogestrel, the active ingredient in Nacrez, is a progestin presented as an oral dosage form for oral use. It is prescribed to prevent pregnancy and to provide hormonal regulation in women of reproductive age.

GNH USA supplies Nacrez as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Desogestrel is a progestin used in hormonal contraceptive therapy and related reproductive health pathways.

- Contraception: prevents pregnancy in women of reproductive age. - Hormonal contraceptive: offers a progestin‑only oral method for family planning. - Cycle control: helps regulate menstrual bleeding patterns when used as prescribed.

Desogestrel may cause a range of adverse reactions, from mild to serious.

Common Side Effects: - Nausea: mild stomach upset. - Headache: occasional tension‑type headaches. - Breast tenderness: temporary discomfort. - Weight gain: modest increase in body weight. - Mood changes: irritability or mood swings. - Irregular bleeding: spotting or breakthrough bleeding.

Serious or Rare Side Effects: - Venous thromboembolism: blood clots in deep veins. - Severe allergic reaction: rash, swelling, or anaphylaxis. - Liver dysfunction: jaundice or abnormal liver enzymes. - Depression: new or worsening depressive symptoms. - Hypertension: significant rise in blood pressure. - Visual disturbances: rare changes in vision.

Before initiating therapy, consider the following safety measures.

- Medical history: disclose clotting disorders, liver disease, or hypertension. - Smoking: avoid use if over 35 years old and a smoker. - Medication review: discuss all concurrent drugs, especially enzyme inducers. - Pregnancy and lactation: discontinue if pregnancy occurs; consult a physician before breastfeeding. - Regular monitoring: schedule follow‑up visits for blood pressure and menstrual changes. - Store at ambient temperature: keep below 25 °C, retain original packaging, and protect from moisture.

Desogestrel can interact with several medicines, affecting its efficacy or safety.

Major Interactions (Avoid): - Strong CYP3A4 inducers (e.g., rifampicin, carbamazepine): may reduce contraceptive effectiveness. - Antifungal azoles (e.g., ketoconazole): may increase plasma concentrations. - Protease inhibitor antiretrovirals: can alter hormone levels.

Moderate Interactions (Monitor Closely): - Certain antibiotics (e.g., tetracycline): may slightly diminish efficacy. - St. John’s wort: herbal supplement that can decrease hormone levels. - Anticonvulsants (e.g., phenytoin): may affect hormonal activity.