Regestrone CR 15 mg Tablet belongs to the class of medicines called progestogens used to treat heavy, painful, or irregular periods, premenstrual syndrome (PMS), and endometriosis. Additionally, Regestrone CR 15 mg Tablet may be used in the treatment of breast cancer. Endometriosis is a disorder in which the uterus's tissue lining (endometrium) grows on the ovaries, bowel, or tissues lining the pelvis. The most common symptom is pelvic pain.

Regestrone CR 15 mg Tablet contains Norethisterone that works by mimicking the activity of the natural hormone progesterone. Thereby, it restores hormone levels in the body and regulates the growth and shedding of the womb lining. Thus, it helps to treat menstrual disorders.

Take Regestrone CR 15 mg Tablet as prescribed by your doctor. You are advised to take Regestrone CR 15 mg Tablet for as long as your doctor has prescribed it for you based on your medical condition. In some cases, you may experience unusual vaginal bleeding or spotting, dizziness, dry mouth, constipation, nausea, diarrhoea, headache, breast pain, and tenderness. Most of these side effects of Regestrone CR 15 mg Tablet do not require medical attention and gradually resolve over time. However, if the side effects persist or worsen, please consult your doctor.

If you are allergic to Regestrone CR 15 mg Tablet or any other medicines, please tell your doctor. Regestrone CR 15 mg Tablet is not recommended for pregnant women as it may harm the unborn baby. If you are breastfeeding, consult a doctor before taking Regestrone CR 15 mg Tablet. It is advised to use effective non-hormonal contraceptives such as condoms to avoid pregnancy while taking Regestrone CR 15 mg Tablet. You are advised to stop smoking while taking Regestrone CR 15 mg Tablet as it may increase the risk of adverse effects.

Regestrone CR 15 mg Tablet contains Norethisterone, a synthetic hormone that mimics the activity of the natural hormone progesterone. Thereby, it restores hormone levels in the body and regulates the growth and shedding of the womb lining. Thus, it helps to treat menstrual disorders.

• Unusual vaginal bleeding or spotting
• Dizziness
• Dry mouth
• Constipation
• Nausea
• Diarrhea
• Headache
• Breast pain and tenderness

If you are allergic to Regestrone CR 15 mg Tablet or any other medicines, please tell your doctor. Regestrone CR 15 mg Tablet is not recommended for pregnant women as it may harm an unborn baby. If you are breastfeeding, consult a doctor before taking Regestrone CR 15 mg Tablet. It is advised to use effective non-hormonal contraceptives such as condoms to avoid pregnancy while taking Regestrone CR 15 mg Tablet. You are advised to stop smoking while taking Regestrone CR 15 mg Tablet as it may increase the risk of adverse effects. If you are about to undergo any surgery, please inform your doctor that you are taking Regestrone CR 15 mg Tablet as it may increase the effect of certain anesthetics. If you experience sudden shortness of breath, rapid heartbeat, sudden, severe, sharp pain in the chest, or cough up blood, stop taking Regestrone CR 15 mg Tablet and consult a doctor immediately as these might be signs of a blood clot in the lungs.

Drug-Drug Interactions: Regestrone CR 15 mg Tablet may interact with anticonvulsants (carbamazepine, phenytoin), antiviral drugs (nelfinavir, ritonavir), a medicine used to treat Cushing’s syndrome (aminoglutethimide), antibiotics (co-trimoxazole, rifampicin, tetracycline), immunosuppressant (ciclosporin).

Drug-Food Interaction: Regestrone CR 15 mg Tablet may interact with St. John’s wort (herbal medicine used to treat depression). Also, limit the intake of grapefruit juice with Regestrone CR 15 mg Tablet as it may increase the levels of Regestrone CR 15 mg Tablet in the blood.  

Drug-Disease Interactions: Avoid taking Regestrone CR 15 mg Tablet if you have vaginal bleeding, blood clots, severe itching, porphyria (blood disorder), liver problems, angina (chest pain), or if you ever had a heart attack, jaundice, or pemphigoid gestationis (an itchy rash that develops into blisters). If you have asthma, migraine headaches, epilepsy (fits), kidney or heart problems, inform your doctor before taking Regestrone CR 15 mg Tablet.

• CARBAMAZEPINE
• PHENYTOIN
• NELFINAVIR
• RITONAVIR
• AMINOGLUTETHIMIDE
• COTRIMOXAZOLE
• RIFAMPICIN
• TETRACYCLINE
• CICLOSPORIN

• Avoid fried and processed foods.
• Include fiber-rich foods like whole grains, fruits, and vegetables in your diet.
• Avoid refined carbohydrates that are high in sugars.
• Replace animal proteins (like eggs, fish, and meat) with vegetable protein sources (nuts, seeds, and beans).
• Avoid drinking excess alcohol or caffeinated drinks as they can worsen the symptoms.
• Maintain a healthy weight, do moderate exercise regularly.
• Avoid smoking and alcohol intake.

• Regestrone CR 15 mg Tablet may interfere with certain laboratory tests. Therefore, inform your doctor that you are taking Regestrone CR 15 mg Tablet before undergoing any tests.

Endometriosis: It is a disorder in which the tissue lining the uterus (endometrium) grows on the ovaries, bowel, or tissues lining the pelvis. The most common symptom is pelvic pain. Other symptoms of endometriosis include lower back pain, painful periods, heavy menstrual bleeding, pain following sexual intercourse, or discomfort with bowel movements.