ellaOne 30mg Tablet

Buy ellaOne for Emergency Contraception

ellaOne is an emergency contraceptive intended to prevent pregnancy after unprotected sex or if your contraceptive method has failed. This includes having sex without protection. It also covers instances when a condom tore, slipped or came off and not taking your contraceptive pill as recommended. You should take the tablet as soon as possible after sex, and within a maximum of 5 days (120 hours). This is because the sperm can survive up to 5 days in your body after intercourse.

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  • Effective up to 5 days (120 hours) after intercourse
  • Can impact the efficacy of regular contraceptive pills
  • Available as a single treatment or double pack for future need
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ellaOne contains the active ingredient ulipristal acetate which acts by modifying the activity of the natural hormone progesterone which is necessary for ovulation to occur. As a result, this medicine works by postponing ovulation. Emergency contraception is not effective in every case. Of 100 women who take this medicine approximately 2 will become pregnant.


Do not take ellaOne:

  • if you are allergic (hypersensitive) to ulipristal acetate or any of the other ingredients listed in the patient information leaflet
  • together with another emergency contraceptive pill that contains levonorgestrel - by taking them both together, you might make this medicine less effective
  • if you are pregnant or think that you may already be pregnant
  • if your period is late or you have symptoms of pregnancy (heavy breasts, morning sickness), as you may already be pregnant
Pregnancy and Breastfeeding

Do not take ellaOne if you are pregnant or think that you may already be pregnant. If you take this medicine while you are breastfeeding a baby, do not breastfeed for one week after taking this medicine. During this time, it is recommended to use a breast pump in order to maintain milk production, but throw away your breast milk. The effect of breastfeeding your baby in the week after taking this medicine is not known.

Important Interactions

You must tell your doctor if you are taking, have recently taken (within the last 4 weeks) or might take other medicines, in particular:

  • medicines used to treat epilepsy (for example, primidone, phenobarbital, phenytoin, fosphenytoine, carbamazepine, oxcarbazepine and barbiturates)
  • medicines used to treat tuberculosis (for example, rifampicin, rifabutin)
  • a treatment for HIV (ritonavir, efavirenz, nevirapine)
  • a medicine used to treat fungal infections (griseofulvin)
  • herbal remedies containing St John's wort (Hypericum perforatum)

This medicine may make regular hormonal contraceptives, like pills and patches, temporarily less effective. If you are currently taking hormonal contraception, continue to use it as usual after taking this medicine, but be sure to use condoms every time you have sex until your next period.

Side Effects
  • nausea, abdominal (stomach) pain or discomfort, vomiting
  • painful periods, pelvic pain, breast tenderness
  • headache, dizziness, mood swings
  • muscle pain, back pain, tiredness
Please Note

See a doctor urgently if you have any lower abdominal pain or abnormal vaginal bleeding 2-6 weeks following treatment. These are the main symptoms of an ectopic pregnancy. This is rare, but it is best to be aware of the possibility as it is a serious condition. Also see a doctor if your next period is more than seven days late or if you have any other concerns.

All medication can cause side effects. We have only listed a few to be aware of. Details of all side effects, including rare side effects to be aware of, are listed in the patient information leaflet (PIL). When completing your medical questionnaire, it is very important that you answer the questions truthfully. This is to ensure your doctor has a full picture of your medical history before prescribing. List all medicines you are already taking, including non-prescription and herbal medicines.


Levonelle is another available tablet form of emergency contraception. An alternative method of emergency contraception is to have an intra-uterine device (IUD) inserted by a doctor or nurse. This can be done up to five days after unprotected sex. It has the advantage of providing ongoing contraception and is also more effective than taking hormone tablets (it is almost 100% effective). You should visit your regular GP for this.

Looking after your medicine

Do not take medicines after the expiry date stamped on the pack. Keep all medicines out of the reach and sight of children.

Medicines are only intended to be used by the person they are prescribed for. Do not give your prescribed medicine to anybody else, even if they have the same symptoms as you. Medicines can be harmful if used by anybody other than the person they have been prescribed for.

References ellaOne 30mg Patient Information Leaflet
British National Formulary: ulipristal acetate

Emergency contraception does not protect against sexually transmitted infections. Only condoms can protect you from sexually transmitted infections. This medicine will not protect you against HIV infection or any other sexually transmitted diseases (e.g. chlamydia, genital herpes, genital warts, gonorrhoea, hepatitis B and syphilis.

This medicine is a contraceptive used to prevent a pregnancy from starting. If you are already pregnant, it will not interrupt an existing pregnancy.

Last reviewed & updated  03/12/2019   Authored  04/09/2009

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