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What is Rigevidon?

Rigevidon is a type of hormonal contraception, known as "the pill" It is a combined oral contraceptive pill. Rigevidon is used as a method of contraception, to prevent unwanted pregnancies. It can also be used to help women who suffer with heavy, painful, or irregular periods.

Benefits of Rigevidon

Rigevidon is used to prevent unwanted pregnancies. It can also mean that periods are lighter, more regular, and less painful.

How do Rigevidon pills work?

The pills contain ethinylestradiol and levonorgestrel, synthetic versions of the natural sex hormones oestrogen and progesterone respectively. These synthetic hormones override the natural menstrual cycle and make the body stop releasing eggs.

Under normal menstruation patterns, the sex hormones cause the body to release an egg from the ovaries each month. They also make the body prepare the lining of the womb for a potential pregnancy. If this egg hasn't been fertilised at the end of each month, hormone levels fall and the womb is shed as a period.

By taking a daily dose of hormones in the form of the pill, women can trick their body into thinking that ovulation has already happened. As a result no egg is released and they cannot become pregnant.

The hormones also make the mucus at the neck of the womb become thicker, making it harder for sperm to enter the womb and reach an egg. They also change the womb lining to make it less likely that a fertilized egg will implant there.

How to take Rigevidon

Rigevidon is an example of a monophasic pill, which means that each tablet contains the same amount of hormones. The recommended dose is to take one tablet every day for 21 days, before a seven-day break.

This break means that hormone levels will drop and there will be a withdrawal bleed similar to a period. After seven days it is essential to start the next pack of tablets, even if a bleed is still in progress.

If the instructions are followed, protection will last during the seven-day pill-free time. Try to take the pill at the same time each day with a drink. It can be taken with or without food.

What to do if you miss a pill

Anyone who forgets to take a pill at the regular time should take one as soon as they remember. If that is longer than 24 hours after the regular time, it counts as a missed pill.

After a missed pill you should take a tablet as soon as possible, even if that means two tablets at the same time. Continue to take the rest of the pack as normal.

If two or more pills are forgotten, take them as soon as possible even if it means taking two at once. Continue to take the rest of the pack as instructed. It's important to also use another method of contraception during the next seven days, as there will be no protection from pregnancy. This may include condoms.

Vomiting or diarrhoea

Vomiting within two hours of taking your pill means that it might not have been properly absorbed into the bloodstream. Take another pill as soon as you feel like you can and continue according to your schedule. In this case you are most likely still protected from pregnancy.

If you are vomiting for over 24 hours it may make the pill less effective. Keep taking your pill according to the schedule, but treat each day as if you have forgotten to take a tablet. Refer to the instructions in the section "What to do if you miss a pill"

If you have severe diarrhoea for more than 24 hours, the pill may be less effective. Take your pill according to schedule, but treat each day as if you have forgotten to take a tablet. Refer to the instructions in the section "What to do if you miss a pill"

Rigevidon Dosages

Rigevidon contains 0.15mg of levonorgestrel (progesterone) and 30mcg of ethinylestradiol (oestrogen). This is the only dosage of Rigevidon available.

Rigevidon Side Effects

As with any other medicine, Rigevidon may cause side effects in certain people. However most people will not experience side effects. The following is a list of possible side effects: nausea and vomiting; abdominal pain; headache/migraine; breast tenderness and enlargement; weight changes; retention of water in the body tissues (fluid retention); vaginal thrush (candidiasis); change in menstrual bleeding, usually lighter periods or sometimes stopping of periods; menstrual spotting or breakthrough bleeding; depression; decreased sex drive; rise in blood pressure; skin reactions; irregular brown patches on the skin, usually of the face (chloasma); steepening of corneal curvature, which may make contact lenses uncomfortable; disturbance in liver function; gallstones; blood clots in the blood vessels (eg, DVT, pulmonary embolism, heart attack, stroke - see important information above).

Rigevidon Precautions/Interactions

Rigevidon is not advised for:

  • Women who are breastfeeding 
  • Women who have ever had a blood clot in a vein
  • Women with blood disorders that increase the risk of blood clots in the veins
  • Women having sclerosing treatment for varicose veins.
  • Women with two or more other risk factors for getting a blood clot in a vein
  • Women who have ever had a heart attack, stroke or mini-stroke caused by a blood clot in an artery.
  • Women with angina, heart valve disease or an irregular heartbeat called atrial fibrillation.
  • Women with moderate to severe high blood pressure (hypertension).
  • Women who smoke more than 40 cigarettes per day.
  • Women over 50 years of age.
  • Women over 35 years of age who smoke more than 15 cigarettes per day.
  • Women with severe diabetes, eg with complications affecting the eyes, kidneys or nerves.
  • Women with two or more other risk factors for getting a blood clot in an artery
  • Women who get migraines with aura, severe migraines regularly lasting over 72 hours despite treatment, or migraines that are treated with ergot derivatives.
  • Women with breast cancer or a history of breast cancer
  • Women with abnormal vaginal bleeding where the cause is not known.
  • Women with a long-term condition called systemic lupus erythematosus (SLE).
  • Women with a history of excess of urea in the blood, causing damaged red blood cells
  • Women with active liver disease, eg liver cancer, hepatitis.
  • Women with a history of liver disease when liver function has not returned to normal.
  • Women with disorders of bile excretion that cause jaundice 
  • Women with gallstones.
  • Women with a history of jaundice, severe itching, hearing disorder called otosclerosis, or rash called pemphigoid gestationis during a previous pregnancy, or previous use of sex hormones.
  • Hereditary blood disorders known as porphyrias.
  • Rigevidon tablets contain lactose and sucrose and should not be taken by women with rare hereditary problems of galactose intolerance, the Lapp lactase deficiency, fructose intolerance, glucose-galactose malabsorption or sucrase-isomaltase insufficiency.
  • Women who are allergic to any of the ingredients in Rigevidon

Whenever you start to take new medication, you should tell your doctor about any other medicines you take already. This includes herbal medicines and over-the-counter medicines.

You should be aware that the following medicines may make Rigevidon less effective at preventing pregnancy:

  • aprepitant
  • bosentan
  • barbiturates
  • carbamazepine
  • cobicistat
  • crizotinib
  • dabrafenib
  • eslicarbazepine
  • modafinil
  • nevirapine
  • oxcarbazepine
  • perampanel (12mg)
  • phenobarbital
  • phenytoin
  • primidone
  • rifampicin
  • rifabutin
  • ritonavir
  • rufinamide
  • telaprevir
  • the herbal remedy St John's wort (Hypericum perforatum)
  • topiramate
  • vemurafenib.

The antibiotics rifampicin and rifabutin are known to make the pill very ineffective. However there is no evidence to suggest that other antibiotics affect the pill.

The emergency contraceptive ulipristal (ellaOne) can make the pill less effective. If you use ellaOne while you are using Rigevidon, make sure to use an additional method of contraception for 14 days after.

The antifungal medicine griseofulvin, the weight loss medicine orlistat (Alli and Xenical), and the cholesterol medicine colesevelam also reduce the effectiveness of the pill.

Patients with diabetes should pay close attention to the effects of Rigevidon on their blood sugar levels. Those with high blood pressure should also take precautions.

If you are taking thyroid hormones for hypothyroidism, you may need to increase your dose when you start taking Rigevidon.

Patients with epilepsy who use lamotrigine to treat the condition should be aware that Rigevidon can reduce its effectiveness in preventing seizures.

Rigevidon may also increase the risk of side effects associated with the following medicines:

  • ciclosporin
  • melatonin
  • ropinirole
  • selegiline (should be avoided in combination with the pill)
  • tacrolimus
  • theophylline (reduced dose of theophylline may be needed)
  • tizanidine
  • voriconazole.

How to buy Rigevidon online

Rigevidon is a combined pill that tis available to buy online from HealthExpress. Skip the hassle of a face-to-face doctor's appointment for a contraceptive you have been using for years by completing a free online consultation. We offer free next-day delivery across the UK and our packages are confidential, meaning you can get your contraceptive delivered anywhere in confidence.

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