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Online Prescriber - Period Delay

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How does Period Delay work?

Women currently taking a contraceptive pill should not use norethisterone to delay their period.

Period delay works by taking a drug called Norethisterone, it is a man-made form of progesterone, a naturally occurring female sex hormone and is used for a number of reasons. It cannot be used as hormone replacement therapy (HRT).

Norethisterone 5mg tablets can be taken three times daily to delay periods. Start tablets at least 3 days before the start of a period and continue for as long as needed. A period bleed will normally start 2 to 3 days, and possibly longer, after stopping norethisterone.

As a woman’s hormone balance changes during her menstrual cycle, taking norethisterone tablets during menstruation will delay a period.

Norethisterone should not be used by women taking the contraceptive pill. Consult your GP or contraception specialist about delaying periods whilst taking contraceptives.

Norethisterone is NOT a contraceptive and will not prevent pregnancy.


Taking other medications?

Consult your doctor before taking norethisterone if you regularly take medication for any of the following:

  • Medicines to treat epilepsy (e.g. phenytoin, carbamazepine)
  • Antibiotic medicines to treat an infection (e.g. tetracyclines, rifampicin, co-trimoxazole)
  • Antiviral medicines to treat HIV (e.g. ritonavir, nelfinavir)
  • Anticancer medicines Herbal preparations containing St John’s Wort (Hypericum perforatum)
  • Aminoglutethimide, sometimes used in Cushing’s syndrome Ciclosporin (for suppressing the immune system)
  • Non-steroidal inflammatory drugs (NSAIDs) for treating pain and inflammation
  • Medicines for high blood pressure

Patient Information Leaflet

Norethisterone 5mg


Why Choose Pharmacy First’s Online Prescriber Service?

There’s no need for a face-to-face doctor appointment and you are not required to bear a prescription before you purchase as Pharmacy First’s Online Prescriber Service provides you with prescription-only medication after a short online consultation which is reviewed by our qualified online medical prescribers

    • Discreet, Speedy Service
    • Best Prices Online
    • Same-day dispatch for orders placed before 1pm (Monday – Friday)
    • Our Reviews Speak Volumes

How Do I Move Forward?

STEP 1 Start an online consultation and our Prescriber will review and assist.
STEP 2 Choose from the selected medication that is best suited to your consultation and pay at the checkout.
STEP 3 Upon final approval, your order will be dispensed from our Pharmacy and ready for the dispatch process.
STEP 4 Your medication will be delivered to your door, safely and discreetly using Royal Mail Special Delivery

Please use our pharmacist consultation to ensure you are eligible for the medication