Europe — EMA
Omsan (Ethinylestradiol, Levonorgestrel)
GNH USA supplies Omsan (Ethinylestradiol / Levonorgestrel), a combined oral contraceptive for prevention of pregnancy. Request a quote for global supply.
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What is Ethinylestradiol, Levonorgestrel?
Ethinylestradiol, the active ingredient in Omsan, is a combined oral contraceptive presented as an oral tablet for oral use. It prevents pregnancy by providing reliable contraceptive protection for women of reproductive age. GNH USA supplies Omsan as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Ethinylestradiol, Levonorgestrel used for?
Omsan is a combined oral contraceptive that acts on the hormonal regulation of the menstrual cycle to prevent pregnancy. - Prevention of pregnancy: provides reliable contraceptive protection for women of reproductive age. - Menstrual cycle regulation: helps achieve more regular menstrual bleeding patterns when prescribed for this purpose.
What are the side effects of Ethinylestradiol, Levonorgestrel?
Common Side Effects: - Nausea: mild stomach upset that often resolves with continued use. - Headache: transient tension‑type or migraine‑type headaches. - Breast tenderness: temporary swelling or discomfort. - Spotting or breakthrough bleeding: irregular light bleeding between periods. - Mood changes: mild irritability or emotional fluctuations. - Weight fluctuation: slight increase or decrease in body weight.
Serious or Rare Side Effects: - Deep vein thrombosis: swelling, pain, or redness in a limb. - Pulmonary embolism: sudden shortness of breath or chest pain. - Stroke: sudden weakness, speech difficulty, or facial droop. - Liver dysfunction: jaundice, dark urine, or abdominal pain. - Severe allergic reaction: rash, itching, swelling, or difficulty breathing. - Hypertension: persistent high blood pressure readings.
What precautions apply to Ethinylestradiol, Levonorgestrel?
Before starting Omsan, consider the following precautions: - Smoking: avoid smoking, especially if over 35 years old, due to increased cardiovascular risk. - Cardiovascular disease: assess history of heart disease, stroke, or clotting disorders. - Liver disease: evaluate hepatic function as metabolism may be impaired. - Migraine with aura: discuss increased stroke risk with a healthcare professional. - Breast cancer: avoid use if a current or past diagnosis of estrogen‑sensitive cancer. - Store at below 25°C: keep in the original packaging, protect from moisture and direct sunlight.
What does Ethinylestradiol, Levonorgestrel interact with?
Omsan may interact with several medicines that affect its efficacy or safety. Major Interactions (Avoid): - Antiepileptic drugs (e.g., carbamazepine, phenytoin): may reduce contraceptive effectiveness. - Rifampicin and other strong enzyme inducers: can lower hormone levels, increasing pregnancy risk. - Certain HIV protease inhibitors: may increase hormone concentrations, raising side‑effect risk. Moderate Interactions (Monitor Closely): - Antifungal agents (e.g., ketoconazole): may modestly increase hormone levels. - St. John’s wort: may slightly reduce contraceptive efficacy. - Antibiotics (e.g., tetracycline): generally have minimal impact but monitor for breakthrough bleeding.



