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Adeel Arshad

Authored on 24 January 2024 by Adeel Arshad,

Reviewed 24 January 2024 by Dr Ruch Karunadasa.

Loestrin 20

Oral medication

Loestrin 20 is a monophasic 21-day contraceptive pill containing the active ingredients ethinylestradiol and norethisterone. It helps to make it harder for the sperm to penetrate the womb and to reduce the chance of a fertilised egg implanting in the womb. It is over 99% effective at preventing pregnancy if taken correctly.

Medication effect duration

Loestrin 20 is a prescription only medicine, like any other prescription medication you must consult a doctor before using it.

 Nutrition information for medication

PrivateDoc offers a confidential free consultation service that may result in you receiving a prescription for Loestrin 20 if it is deemed appropriate and can prescribed safely. Complete a 100% free and secure consultation to explore your treatment options.

Who Can Take Loestrin 20?

PrivateDoc will prescribe a 3 month or 6 month supply of Loestrin 20 contraceptive pill to women where Loestrin 20 is suitable. Women qualify for Loestrin 20 if:

  • They have been taking Loestrin 20 for the last year.
  • They have had no problems with Loestrin 20 in the last year.
  • They have had a face-to-face pill check-up for their contraceptive pill in the last year.

How To Take Loestrin 20

Take Loestrin 20 every day for 21 days

  • Loestrin 20 comes in strips of 21 pills, each marked with a day of the week.
  • Take your pill at the same time every day.
  • Start by taking a pill marked with the correct day of the week.
  • Follow the direction of the arrows on the strip. Take one pill each day, until you have finished all 21 pills
  • Then have a 7-day break when you will have your period.
  • Following the 7-day pill-free period start your new pack of pills on the 8th day.
  • Note – Swallow each pill whole, with water if necessary.
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Treatment Warnings

  • Do not take Loestrin 20 if you are pregnant.
  • Do not take Loestrin 20 if you are breast feeding.
  • Some medicines can reduce the effectiveness of the contraceptive pill including some antibiotics, please read the Patient Information Leaflet enclosed with your medicines for a full list of medicines that may affect your contraceptive pill.

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