What Makes Norimin Less Effective?

Combined Contraceptive Pill »

There are a number of things that can make the pill less effective. If you miss a pill you will not be protected from pregnancy. Even if you are late taking the pill, it can still reduce its effectiveness. Make sure you take the pill correctly as the main cause of pregnancy whilst using the pill is from pill misuse.

Medication can also stop the pill from working properly. If you are using drugs to treat epilepsy, arthritis or tuberculosis, you will not be protected from pregnancy because they can render the pill ineffective. Other antibiotics and some sedatives can also have a similar effect.  Herbal remedies such as St Johns Wort can also stop the pill from working properly. If you are using these medications for a short time, you should use additional contraception during and for seven days after the medication. If you are going to be using them for a long period of time, you may need to consider another method of contraception that is not affected by other medications.

You should tell your doctor about any medications you are using to make sure that there are no interactions that will make the pill less effective. Some medications are affected by the pill, so tell your doctor so they can make sure both your medication and the pill will still work correctly.

If you vomit or have severe diarrhoea, the pill may not protect you from pregnancy, especially if you are ill during the first few hours of taking the pill. If you are sick or have severe diarrhoea regardless, you should carry on as normal but use extra protection for the rest of your illness and the seven days that follow.

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