Brevinor
Brevinor is a widely used medication designed to prevent pregnancy by altering natural hormonal patterns. It works by stopping ovulation, thickening cervical mucus to block sperm, and modifying the uterine lining to prevent implantation. When taken correctly, Brevinor is highly effective in reducing the risk of unintended pregnancy.
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| Pack | Price (£) | ||
|---|---|---|---|
| - | - | 63 tablets (3 months) | 21.00 |
| - | - | 126 Tablets (6 Months) | 24.00 |
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What is Brevinor?
Brevinor is a contraceptive pill commonly known as "Combined Oral Contraceptive". It contains an estrogen (ethinyloestradiol) AND the progestogen hormone (norethisterone).
Oral contraceptives belonging to this group produce their contraceptive (or contraceptive) effect by preventing ovulation (the release of an egg from the ovary) during each menstrual cycle. Combined oral contraceptives also cause changes in the mucus from the cervix and the lining of the uterus that contribute to contraceptive action.
How does it work?
Your monthly cycle is controlled by two main hormones, estrogen and progesterone. Estrogen levels rise after menstruation, causing an egg to develop and be released by your ovaries (ovulation). The lining of the uterus thickens in preparation to receive the fertilized egg. After ovulation, progesterone helps the lining of the uterus thicken even more.
The egg goes down the fallopian tube, and if you don't get pregnant, your body naturally absorbs it. The levels of estrogen and progesterone in your body decrease and the lining of the uterus peel off causing a menstrual period.
Hormonal contraceptives contain artificial (synthetic) versions of the hormones. These mimic the effect of estrogen and progesterone on your body. When hormonal contraceptive methods are taken properly, they interfere with your regular monthly cycle and prevent pregnancy.
Hormonal contraceptives work in three ways:
- Preventing your ovaries from releasing the egg
- Thickening the mucus in your cervix (cervix), making it more difficult for sperm to enter your uterus and fertilize the egg
- Making the lining of the uterus too thin to allow a fertilized egg to implant.
What are the benefits of taking it?
The primary function of hormonal methods is fertility control, but hormonal contraceptives are also sometimes used to treat heavy menstrual periods and endometriosis, as well as to alleviate severe premenstrual symptoms.
How do I use it?
Brevinor comes in tablets and are for oral use only. The first tablet starts on the first day of your bleeding (period). Take the tablets in the blister. Do not take any tablets for the next 7 days. During these 7 days, you are likely to have bleeding. After 7 days, start the next blister. You are protected as long as you follow these instructions. If you don't have periods, ask your doctor when to start. If you cannot use the tablets on the first day of pregnancy, you can also use an additional method of birth control (for example, a condom) or avoid sexual intercourse.
Its dosage
Most combination oral contraceptive pills are taken for 21 days. This is followed by a seven-day break before the next 21-day treatment with the next cycle of hormonal pills. You will have blood loss when you stop taking the tablets. This is called withdrawal bleeding.
Some brands of birth control pills, known as the every day pill types, have 28 pills per pack. These include seven fake inactive pills, which eliminate the need for a seven-day break. You just have to go from one package to the next.
The combined oral contraceptive pill is designed to be taken every day. If you stop taking a tablet, it could mean that you are at risk of getting pregnant. Always consult your GP and read the patient information leaflet that comes with the medicine.
Side effects & precautions
Like all medicines, Brevinoror pills can cause side effects, although not everybody gets them.
Brevinor side effects include:
If you experience breathing problems, wheezing, chest pain, fever, swelling, rash, or itching, call a doctor immediately. Coughing up blood, bloating / stomach pain, swollen leg vein pain, migraines / severe headaches, and especially if you have had visual disturbances, weak or numb limbs, seizures, dizziness/fainting, or vision problems or speech. Other disorders include high blood pressure, intestinal disorders (eg, nausea, upset stomach, and change in appetite), weight gain, depression, swollen / sore breasts, changes in libido, bleeding or irregular vaginal periods, and worsening of uterus problems.
Buying Brevinor online
You can buy Brevinor online through one of the UK’s leading online pharmacies, Pharmacy Planet. It's easy and convenient. You will need to fill out a short assessment and the item will be delivered directly to your door. If you want to buy Brevinor online, use Pharmacy Planet, a UK pharmacy you can trust.
Brevinor is a contraceptive pill commonly known as "Combined Oral Contraceptive". It contains an estrogen (ethinyloestradiol) AND the progestogen hormone (norethisterone).
Oral contraceptives belonging to this group produce their contraceptive (or contraceptive) effect by preventing ovulation (the release of an egg from the ovary) during each menstrual cycle. Combined oral contraceptives also cause changes in the mucus from the cervix and the lining of the uterus that contribute to contraceptive action.
Your monthly cycle is controlled by two main hormones, estrogen and progesterone. Estrogen levels rise after menstruation, causing an egg to develop and be released by your ovaries (ovulation). The lining of the uterus thickens in preparation to receive the fertilized egg. After ovulation, progesterone helps the lining of the uterus thicken even more.
The egg goes down the fallopian tube, and if you don't get pregnant, your body naturally absorbs it. The levels of estrogen and progesterone in your body decrease and the lining of the uterus peel off causing a menstrual period.
Hormonal contraceptives contain artificial (synthetic) versions of the hormones. These mimic the effect of estrogen and progesterone on your body. When hormonal contraceptive methods are taken properly, they interfere with your regular monthly cycle and prevent pregnancy.
Hormonal contraceptives work in three ways:
- Preventing your ovaries from releasing the egg
- Thickening the mucus in your cervix (cervix), making it more difficult for sperm to enter your uterus and fertilize the egg
- Making the lining of the uterus too thin to allow a fertilized egg to implant.
The primary function of hormonal methods is fertility control, but hormonal contraceptives are also sometimes used to treat heavy menstrual periods and endometriosis, as well as to alleviate severe premenstrual symptoms.
Brevinor comes in tablets and are for oral use only. The first tablet starts on the first day of your bleeding (period). Take the tablets in the blister. Do not take any tablets for the next 7 days. During these 7 days, you are likely to have bleeding. After 7 days, start the next blister. You are protected as long as you follow these instructions. If you don't have periods, ask your doctor when to start. If you cannot use the tablets on the first day of pregnancy, you can also use an additional method of birth control (for example, a condom) or avoid sexual intercourse.
Most combination oral contraceptive pills are taken for 21 days. This is followed by a seven-day break before the next 21-day treatment with the next cycle of hormonal pills. You will have blood loss when you stop taking the tablets. This is called withdrawal bleeding.
Some brands of birth control pills, known as the every day pill types, have 28 pills per pack. These include seven fake inactive pills, which eliminate the need for a seven-day break. You just have to go from one package to the next.
The combined oral contraceptive pill is designed to be taken every day. If you stop taking a tablet, it could mean that you are at risk of getting pregnant. Always consult your GP and read the patient information leaflet that comes with the medicine.
Like all medicines, Brevinoror pills can cause side effects, although not everybody gets them.
Brevinor side effects include:
If you experience breathing problems, wheezing, chest pain, fever, swelling, rash, or itching, call a doctor immediately. Coughing up blood, bloating / stomach pain, swollen leg vein pain, migraines / severe headaches, and especially if you have had visual disturbances, weak or numb limbs, seizures, dizziness/fainting, or vision problems or speech. Other disorders include high blood pressure, intestinal disorders (eg, nausea, upset stomach, and change in appetite), weight gain, depression, swollen / sore breasts, changes in libido, bleeding or irregular vaginal periods, and worsening of uterus problems.
You can buy Brevinor online through one of the UK’s leading online pharmacies, Pharmacy Planet. It's easy and convenient. You will need to fill out a short assessment and the item will be delivered directly to your door. If you want to buy Brevinor online, use Pharmacy Planet, a UK pharmacy you can trust.
This contraceptive is suitable for women who are looking for a reliable oral contraceptive. It is not recommended for women who are over 35 and smoke, those with high blood pressure, a history of blood clots, or certain medical conditions.
Some women experience a lighter, regular period while taking Brevinor. It can also help with hormonal acne, but this doesn’t happen to everyone. The results can vary depending on individual hormone levels. You might need to speak to a GP or pharmacist if you are using Brevinor for non-contraceptive benefits.
If you miss a pill by less than 12 hours, take it as soon as possible and continue as normal. If you miss it by more than 12 hours, then the effectiveness may be reduced. You would need to use extra contraception, such as condoms, for seven days.
Yes, you can. You would need to take your Brevinor packs back-to-back without a break to skip your period.
This is safe for most women, but consult your GP or pharmacist for advice. If you miss a day or two while taking it back-to-back, you might experience breakthrough bleeding.
Some women might notice a slight weight change while taking Brevinor; this is mostly due to water retention. There is no proof that it directly causes weight gain.
If you do experience this while taking Brevinor, maintaining a balanced diet and regular exercise can help manage your weight effectively.
Some women may experience mood swings, anxiety, or mild depression while taking Brevinor. Most hormonal contraceptives can affect serotonin levels, which may impact your mood. If these symptoms worsen or persist, you may need to see your GP or pharmacist to discuss alternative options.

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Review By
GURDEV SEHMI
Last Updated On : Mar 13 2026
BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead
GPhC Number: 2050925

Authored By
GURDEV SEHMI
Last Reviewed On : Mar 23 2026
BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead
GPhC Number: 2050925
























