1. What is Marvelon?
Marvelon is a contraceptive pill containing 2 hormones, estrogen and progesterone.
Active ingredients: Each tablet contains 0.15 mg desogestrel and 0.03 mg ethinylestradiol.
Excipients: Colloidal silica anhydrous, lactose monohydrate, potato starch, povidone, stearic acid, all-rac-alpha-tocopherol. Lactose < 80mg.
Packaging: 1 box contains 1 blister of 21 tablets; 3 blisters of 21 tablets.
2. What is the effect of Marvelon?
Marvelon is commonly prescribed for contraception.
The effects of Marvelon are achieved through:
Inhibiting ovulation
Making cervical mucus thicker, making it harder for sperm to enter
Thinning the endometrium to reduce the likelihood of pregnancy, as the embryo has difficulty attaching to the uterine wall.
3. How to use Marvelon Marvelon
21-tablet pack: Take 1 tablet every day for 21 consecutive days, then take a 7-day break and start a new pack on the 8th day. Patients will typically have bleeding (menstruation) during the break.
Starting to use Marvelon differs for various individuals:
For women who have not used any hormonal contraceptive methods in the previous month: Each pack of Marvelon will have the days of the week printed on it, with continuous arrows. You should take the first Marvelon tablet on the first day of your menstrual cycle or the first Sunday after menstruation and take the tablet at a specific time each day, with some water if needed to avoid interrupting the pill-taking process.
For women who have used a combination hormonal contraceptive: Take the first Marvelon tablet right after stopping the previous contraceptive method or no later than the planned time for the next dose of the old contraceptive. During the break from the previous contraceptive, bleeding (menstruation) may occur, typically 2-3 days later, but the flow will be lighter than the normal menstrual cycle.
For women switching from progestin-only contraceptives (implant, pill, injection) or a progestogen-releasing intrauterine device (IUD): You can start Marvelon on any day when switching from the pill, but if switching from an implant or IUD, take it from the day the implant is removed or the IUD is taken out; if switching from an injection, start the pill on the day of the next required injection. However, for the first 7 days of Marvelon use, you must use an additional barrier method.
For women who have had a miscarriage in the first trimester: Start taking Marvelon immediately without needing any other contraceptive method.
For women after childbirth or miscarriage in the second trimester: Start taking the pill between 21-28 days after childbirth or miscarriage in the second trimester.
In cases of gastrointestinal abnormalities, drug absorption may not be complete, reducing effectiveness, so you should use an additional contraceptive method.
4. What to do if you miss a dose of Marvelon?
If you miss a dose of Marvelon:
If you miss the pill for more than 12 hours, contraceptive effectiveness may decrease. Handling missed pills is based on two basic principles:
Never stop taking the pills for more than 7 days
You must take the pills for 7 consecutive days to fully suppress the hypothalamic-pituitary-ovarian axis.
5. Side effects of Marvelon
Common side effects of Marvelon (frequency ≥ 1/100): depression, mood changes, headaches, nausea, abdominal pain, breast pain/tenderness, weight gain.
This list does not cover all the side effects of Marvelon, so if you experience any unusual symptoms, consult your doctor for advice.
6. Who should not use Marvelon?
Do not use Marvelon if you have any of the following conditions or illnesses. If you experience any of these conditions for the first time, you should consult your doctor immediately for advice on whether to continue using the pill.
- History or current venous thrombosis (deep vein thrombosis)
- History or current arterial thrombosis (myocardial infarction, stroke) or the occurrence of chest pain, transient cerebral ischemia
- Complicated heart valve disease
- History or current severe liver disease or abnormal liver function tests
Benign liver tumors - Suspected or diagnosed malignant tumors
- Abnormal vaginal bleeding
- Known or suspected pregnancy
7. Drug interactions
Some drugs may interact with Marvelon, including:
Drugs that increase liver enzyme induction such as Hydantoin, Barbiturates, Primidone, Oxcarbazepine, Carbamazepine, Felbamate, Rifampicin, Rifabutin, Topiramate, Griseofulvin, Ritonavir, and products containing St. John’s Wort
Strong CYP3A4 inhibitors such as Ketoconazole, Itraconazole, Clarithromycin
8. What happens if you overdose on Marvelon?
There have been no reports of severe harm from overdose. However, you may experience symptoms such as vomiting, nausea, and light vaginal bleeding.
Store Marvelon at room temperature, in a dry, cool place, away from light, and out of reach of children.
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