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Brevinor Tablets 500mcg/35mcg


  • Brevinor is a combined contraceptive pill that’s used to prevent pregnancy.
  • An effective form of birth control.
  • Take daily for 21 days, with a 7-day break (alternatives possible)
  • Always read the patient information leaflet before use.
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Alexandra Moses - Medical Content Writer
Alexandra Moses
Medical Content Writer
James O'Loan - CEO & Superintendent Pharmacist
James O'Loan
CEO & Superintendent Pharmacist

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Brevinor is a combined contraceptive pill that’s used to prevent pregnancy. Each tablet contains a small amount of two hormones, a progestogen hormone called norethisterone and an oestrogen hormone called ethinylestradiol. The contraceptive pill will not protect you against sexually transmitted diseases (STIs); to prevent both pregnancy and STIs, it’s advised that you wear a condom.



Always take Brevinor exactly as described in the patient information leaflet or as your doctor / Chemist4U pharmacist has told you. Brevinor can be taken with or without food. Take the first tablet on your first day of bleeding. This is the day when your period starts. Take the tablet marked with the correct day of the week. You will be protected at once as long as you take a tablet every day. You can take the tablet at a time that suits you, but you must take it at about the same time every day. Take a tablet every day until you finish a blister strip.


If you cannot start the tablet on the first day of your period you may start to take it on any day up to the fifth day. However, if you do this, you may not be protected for the first seven days, so you should use another method of contraception such as a condom during those days. Once you have finished all 21 tablets, stop for seven days. You will probably bleed during some or all of these seven days. Afterwards, start the next blister strip. Do this whether or not you are still bleeding. You will always start the next blister strip on the same day of the week. You are protected during the seven day break, but only if you start the next blister strip on time. The first tablet in your blister strip is the worst pill of all to miss or take late.


It’s normal for your periods to become irregular and you may notice some bleeding between periods. Your periods may become lighter and you may occasionally have no bleeding during the tablet free days. Make a note of what happens so that you can tell your doctor or nurse at your next check-up.


If you forget to take a tablet, take it as soon as you remember and take the next one at your normal time. This may mean taking two tablets on the same day. If you are 12 or more hours late in taking one or more tablets, it may not work. As soon as you remember, take your last missed tablet and carry on taking them normally. However, you may not be protected for the next seven days, so either avoid sexual intercourse or use an extra contraceptive method, such as a condom. 


If you have fewer than seven tablets in your blister strip after you have missed taking a dose, you should complete the blister strip and start the next blister strip without a break. This will give you protection from when you took the last missed tablet. You may not have a period until the end of two blister strips, but this will not harm you. You may also have some bleeding on days when you take the tablets.


Side effects

Like all medicines, Brevinor may cause side effects in some people, but these won’t affect everybody. Seek emergency medical attention if you notice any signs of a severe allergic reaction, symptoms of which include swelling of the face and throat, skin rash, breathing difficulties and/or loss of consciousness. Side effects may include: 

  • Feeling sick
  • Stomach upset
  • Weight gain
  • Changes in appetite
  • Changes in the way your body breaks down sugars, fats or vitamins
  • Headache
  • High blood pressure
  • Depression
  • Swollen or sore breasts
  • Change in sex drive
  • Worsening of womb disorders
  • Irregular vaginal bleeding


For more information on potential side effects, refer to the patient information leaflet. If you experience any side effects, including any not included in the patient information leaflet, you can report them using the MHRA Yellow Card Scheme.



Brevinor may be unsuitable for certain people. Do not take these tablets if you are allergic to norethisterone, ethinylestradiol, or any of the other listed ingredients. Do not take these tablets if you have any of the following:

  • If you are currently pregnant
  • If you have had blood clots in the legs, blood clots in varicose veins, the lungs, the brain or elsewhere (coronary and cerebral thrombotic disorders)
  • If you or a member of your family have ever had a problem with blood clots, including deep vein thrombosis (DVT)
  • If you have had swelling (inflammation) of a vein caused by a blood clot
  • If you have had a heart attack or stroke or have had or have angina
  • If you have had or have high levels of fats in your blood (hyperlipidaemia) or other disorders of body fats
  • If you have had or have cancer of the breast, cervix, vagina or womb
  • If you have had the following during pregnancy: pruritus (itching of the whole body), jaundice (yellowing of the skin or eyes), for which your doctor could not find the cause, pemphigoid gestationis
  • If you have had or have severe chronic liver disease (liver tumours, Dubin-Johnson or Rotor syndrome)
  • If you have had or have vaginal bleeding, for which your doctor could not find the cause
  • If you have had or have bad migraines
  • If you have hepatitis C and are taking medicinal products containing ombitasvir/paritaprevir/ritonavir and dasabuvir or glecaprevir/pibrentasvir


Talk to your doctor or Chemist4U pharmacist before taking this medicine if you have any of the following: 

  • Are taking any other medicines
  • Migraines
  • Headaches
  • Slow or sudden development of visual disturbances such as complete or partial loss of vision
  • Asthma
  • Epilepsy (a condition where you suffer from fits)
  • Diseases of the heart and blood vessels (cardiovascular disease)
  • High blood pressure (hypertension)
  • Kidney disease
  • Diabetes
  • Multiple sclerosis (a problem of the nervous system)
  • Tetany (muscle twitches)
  • Breast problems of any sort
  • Varicose veins (widened or twisted vein usually in the leg)
  • Liver dysfunction
  • Severe depression
  • Fibroids in your uterus
  • Irregular periods
  • Sharp pain in your abdomen
  • Gallstones
  • Sickle-cell anaemia
  • Otosclerosis (an inherited form of deafness)
  • Porphyria (a metabolic disease)
  • Chloasma (brown patches on your skin which can happen during pregnancy but may not fade completely)
  • Any disease that is likely to get worse during pregnancy
  • If you experience symptoms of angioedema such as swollen face, tongue and/or throat and/or difficulty swallowing or hives potentially with difficulty breathing contact a doctor immediately. Products containing estrogens may cause or worsen the symptoms of hereditary and acquired angioedema.


Important information

This product is a medicine; make sure to speak to your doctor or Chemist4U pharmacist before taking this product if you have an underlying medical problem or are taking any other medicine or complementary therapy. If your symptoms get worse or continue after taking this product, contact us or your doctor. For medical services in your area, please refer to

If you are pregnant, trying to become pregnant, or breastfeeding, speak to your doctor or our pharmacist before taking this product. If you suffer from any allergies, ask your doctor or our pharmacist if this medicine is right for you.

Store all medicines out of sight and reach of children.

Please read the included leaflet carefully before using this product.

Please contact your GP if appropriate regarding this product.



Store below 25°C in a cool, dry place out of sight and reach of children. Do not use after the expiry date, referring to the last day of the month stated on the packaging. Do not throw away any medicines via wastewater or household waste.

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