Order TriRegol for a contraceptive that matches your period cycle

TriRegol is a combined pill (including oestrogen and progesterone) that is phasic, which means its hormone dosing follows your natural menstrual cycle for better control.

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Strength Quantity Price Stock
30mcg/50mcg63 tablets£10.35In Stock
Prices exclude a prescription fee. This treatment requires a quick online consultation,
which a doctor will review to determine if a prescription is appropriate.

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What is TriRegol?

TriRegol is a type of combined contraceptive pill containing both oestrogen and progesterone hormones to prevent unwanted pregnancy from occuring. 

How does TriRegol work?

TriRegol works by stopping the ovaries from releasing an egg each month. This means that fertilisation cannot occur. The pill contains ethinylestradiol and levonorgestrel, synthetic versions of estrogen and progesterone. The hormones in the pill also thicken the mucus surrounding the entrance to the cervix, preventing sperm from entering. It causes the womb lining to thin, making it difficult for an egg to attach to the wall. 

How effective is TriRegol?

TriRegol is over 99% effective if it is taken correctly. 

When does TriRegol start to work?

TriRegol will start to work right away if you take it on the first day of your period. If you are changing the type of pill you are taking, ensure you read the instructions carefully. If you are taking a form of the combined pill then finish your current pill strip and begin taking TriRegol the next day. You can switch from the progesterone only pill at any time but TriRegol won't start to work right away so you'll need to use an additional barrier method of contraception for the first 7 days.

TriRegol for non-contraceptive purposes

TriRegol can also be used to regulate your period, easing PMS and making it lighter and less painful.

Can you use TriRegol for period delay?

TriRegol can be used to delay your period. You can do this by skipping the pill free week between packs and starting the next one right away.  

Switching contraceptive pill

There are numerous types of contraceptive pills available and you may need to try a few different brands before finding one that works for you. If you are switching from a different form of the combined pill, wait until you have finished your current pill strip and begin TriRegol the following day. You can switch to TriRegol from the progesterone only pill at any time during the month but be aware that you will need to use condoms, or another form of contraception, for the first 7 days.

If I have vomited, will TriRegol still work?

If you vomit within 3-4 hours of taking TriRegol then your contraception may not work. This is because the pill may not have been fully absorbed by your body. If you are sick, take another TriRegol pill as soon as possible. In the event that the vomiting continues, treat it as a missed pill and use additional contraceptives until you have been symptom free for 7 days. 

When can I get pregnant after taking TriRegol?

If you stop taking the pill you can get pregnant at any time. It's recommended to wait until your natural period returns; which may be 1-2 months. Talk to your GP or family planning clinic if you are trying to get pregnant. They will be able to advise you on how to come off the pill safely and any steps you can take to ensure you have a healthy conception. 


Active ingredients

The active ingredients contained in TriRegol are ethinylestradiol and levonorgestrel.

Inactive ingredients

The other ingredients are colloidal anhydrous silica, magnesium stearate, talc, maize starch and lactose monohydrate. 


What should I do if I miss a pill?

If you miss a pill, what you should do next depends on where you are in your cycle. 

  • If you miss a pill in the first week of your cycle then take the missed pill as soon as you can, even if that means taking two at once. You will need to use condoms, or another barrier method of contraception, for the next 7 days as your protection will be affected

  • If you miss a pill during the second week of your cycle, take the missed pill right away and keep taking the rest at the usual time. Your contraception will not be affected

  • If you miss a pill during the third week of your cycle then take the missed pill as soon as you can. Keep taking the rest of your pills as usual. Once you reach the end of the pill pack, skip the 7 day break and start the next one right away

  • If you miss more than one pill, take the most recent missed pill right away and ensure you take the rest on time. If you have had sex during this time there is a chance you may be pregnant. See your GP or a pharmacist for advice 

What should I do if I took a pill too late?

If you have taken your pill up to 12 hours later than usual, your contraception will not be affected. Ensure you take the rest of your pills on time. If it has been 12 hours or more since you were due to take it then follow the instructions for a missed pill to ensure that your contraception is not affected. 

Is it safe to take TriRegol for a long time?

TriRegol is safe to take for as long as you need it. Taking the combined pill increases the risk of blood clots for all women. If you have a condition, or medical history, which may increase your risk of this then you will be advised that the pill is not suitable for you to take. Your doctor will assess your medical history before prescribing you with the pill.

When will my period start again after I stop taking TriRegol?

Your natural period should return 2-4 weeks after you stop taking the pill. It could take longer than this so do not worry if you don't get a period right away. 

How to start TriRegol

You should start taking TriRegol on the first day of your period. If this isn't possible you can also start it on days 2-5 of your period but in this case you will need to use condoms, or another additional contraceptive, for the first seven days. 

How to take TriRegol

TriRegol can be taken at any time of the day but it must be taken at the same time each day. Try to choose a time which is convenient for you and that will be easy to remember. Setting an alarm or reminder on your phone may help you to get into the routine of it. Each strip of pills contains 21 tablets. When you reach the end of one strip, wait 7 days before starting the next one. This is when you will have your withdrawal bleed, similar to your period.

The pink tablets contain 30mg ethinylestradiol and 50mg levonorgestrel. The white tablets contain 40mg ethinylestradiol and 75mg levonorgestrel and the ochre tables contain 30mg ethinylestradiol and 125mg levonorgestrel.

How to use TriRegol for period delay

To use TriRegol for period delay, skip the 7 day break in between pill packs. This will delay your period until the following month. It's recommended to ask your doctor for advice about delaying your period with TriRegol.

Side Effects

Common side effects include: 

  • Headaches 

  • Nausea 

  • Breast pain or tenderness 

  • Mood swings 

  • Depression 

  • Weight gain 

  • Chloasma 

  • Acne 


Uncommon side effects may include: 

  • Fluid retention 

  • Loss of side effects 

  • Nervousness 

  • Breast cancer

  • Migraines

  • High blood pressure 

  • Vomiting 

  • Diarrhoea 

  • Rash

  • Breast enlargement 


Rare side effects may include: 

  • Hyperlipidaemia 

  • Poor tolerance of contact lenses 

  • Otosclerosis 

  • Blood clots

  • Hypersensitivity 

  • Red nodules or lumps on the skin 

  • Ulcerative colitis 

  • Crohn's disease 

  • Skin disorders 

  • Breast discharge 

  • Vaginal discharge 

  • Weight loss 

  • Liver tumour

  • Sydenham's Chorea 

  • Visual disturbance 

  • Heart attack 

  • System lupus erythematosus 

  • Pancreas inflammation


Do not take TriRegol if: 

  • You are allergic to any of the ingredients 

  • You have ever experienced a blood clot 

  • You have a disorder which affects your blood circulation 

  • You have ever had a heart attack or angina 

  • You have ever had a stroke 

  • You have a family history or blood clots or a related condition 

  • You have diabetes with blood vessel damage 

  • You have a disorder of the blood vessels in the eye 

  • You have severe high blood pressure 

  • You have heart problems 

  • You have ever had liver disease 

  • You have a liver tumour 

  • You have breast, ovarian or cervical cancer 

  • You have unexplained vaginal bleeding 

  • You get migraines 

  • You might be pregnant 


Talk to your doctor before taking TriRegol if any of the following apply to you: 

  • High blood pressure 

  • Jaundice 

  • Pruritus 

  • Gallstones 

  • Porphyria 

  • Systemic lupus erythematosus 

  • Haemolytic uraemic syndrome 

  • Sydenham's Chorea 

  • Herpes gestationis 

  • Otosclerosis 

  • Disturbed liver function 

  • Diabetes 

  • Depression 

  • Ulcerative colitis 

  • Chloasma

Drug Interactions

Tell your doctor if you are taking any of the following medicines as they may interfere with the way TriRegol works: 

  • Rifampicin 

  • Rifabutin 

  • Ampicillin 

  • Tetracycline 

  • Barbiatures 

  • Hydantoins 

  • Griseofulvin 

  • Ritonavir 

  • Tricyclic antidepressants 

  • Cyclosporine 

  • St John's wort 

  • Epilepsy medications 

Always tell your doctor about any other medications you are taking, or planning to take, to ensure the combination is safe. 

Treatment Options

TriRegol vs the mini pill

TriRegol differs to the mini pill as it contains two types of hormones; oestrogen and progesterone. The mini pill only has progesterone as an active ingredient. It's also referred to as the progesterone only pill. The mini pill produces less side effects and doesn't pose as many health risks as the combined pill. This means it may be suitable for women with high blood pressure or those who experience unpleasant side effects with the combined pill. 

Alternatives to TriRegol

Other types of the combined pill which contain the same hormonal ingredients are: 

  • Microgynon 

  • Rigevidon 

  • Levest 

  • Ovranette 

  • Logynon 

Dr Felix stock all available types of the contraceptive pill in the UK, including the mini pill. Long term reversible contraceptives are available from your GP or family planning clinic. These include the copper IUD, hormonal IUS, implant or injection. 

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