Overview of the apex of somethingic
Diane 35 is a combined hormonal tablet containing an estrogen together with an anti-androgen progestogen. In the United Kingdom the formulation is known by the active name co-cyprindiol and appears under brand names such as Dianette. It can act as an effective intervention for acne, oily skin and excessive hair growth caused by androgen excess, and it will also prevent pregnancy when used correctly. However, UK prescribers commonly reserve it for dermatological use or hirsutism when other therapies have failed, rather than choosing it primarily as a contraceptive.
For quick navigation, you can jump to safety information resources at Cautions before treatment, see the list of after effects, or consult the details about legal and prescribing rules in the UK.
Active substances coupled with their potency
The tablets combine two active substances: cyproterone acetate and ethinylestradiol. A commonly used strength is 2 mg cyproterone acetate with 35 micrograms (0.035 mg) of ethinylestradiol per tablet.
- Cyproterone acetate 2 mg: a progestogen with anti-androgen activity that reduces androgen-driven symptoms like acne and unwanted hair.
- Ethinylestradiol 35 micrograms: an estrogen that helps regulate menstrual cycles and contributes to contraceptive effectiveness.
Who this prescription is for
Clinicians generally consider co-cyprindiol for adults with conditions driven by excess androgens. Frequent manifestations include:
- Polycystic ovary syndrome (PCOS) features such as irregular periods accompanied by acne or hirsutism.
- Moderate to severe acne that has not improved with topical treatments or oral antibiotics.
- Clinically significant hirsutism linked to androgen excess.
Although Diane 35 will prevent pregnancy when used properly, UK regulatory guidance usually recommends a different path combined contraceptives as first-line contraception. Always follow individual advice from your prescriber.
Diane 35 pill administration instructions
Take the medicine exactly as your clinician or the patient leaflet instructs. Typical directions include taking one tablet daily at about the same time each day. Many packs provide 21 active tablets followed by a seven day pill-free interval, but your prescriber may give a modified schedule for your circumstances.
- Swallow each tablet with water. Do not chew unless advised.
- If you change the time you take the tablet, discuss additional contraceptive hazard controls under the care of your clinician.
- Do not stop the tablets suddenly without medical advice, particularly if you are using them for acne management as symptom recurrence is possible.
If you need specific start day advice or instructions after missing one or more tablets, see A the dose was skipped and consult your pharmacist or prescriber.
Pre-treatment safety guidelines
Preliminary to starting co-cyprindiol, a full medical review is important. Key considerations include:
- Prenatal and postnatal breastfeeding: do not start if you are pregnant. If pregnancy occurs while taking it, stop and speak to your clinician. Breastfeeding mothers should only use it if specifically advised.
- Liver health: avoid if you have active or severe liver disease, liver tumours, or unexplained jaundice.
- Risk of blood clots and cardiovascular events: combined hormonal treatments increase venous thromboembolism risk. Smoking and age over 35 amplify this risk.
- Migraine history: those who experience migraine with aura are usually advised against combined pills.
- Weight and metabolic risks: obesity and other cardiovascular risk factors may prompt consideration of non-estrogen other possibilities.
Discuss any personal or family history of clotting disorders, stroke, heart disease, or hormone-sensitive cancer with your prescriber before treatment.
Conditions that rule out its use
Do not use Diane 35 (co-cyprindiol) if any of the following apply to you:
- Previous or current blood clot in a vein or artery, for example deep vein thrombosis, pulmonary embolism, heart attack or stroke.
- Liver disease that is severe or active, liver tumours, or unexplained vaginal bleeding.
- A history or strong suspicion of hormone-sensitive cancer, such as breast cancer.
- A migraine with an aura.
- Pregnancy or breastfeeding unless specifically approved by a clinician.
- Current heavy smoking combined with age 35 years or older, or other significant cardiovascular risk judged by a clinician.
If you are unsure whether any condition applies to you, seek medical advice before taking this medicine.
Possible effects to watch for
Negative reactions are not universal. Commonly reported detrimental health effects include:
- Feeling nauseated or with an upset stomach.
- Pain in the head or migraine.
- Mood changes, including low mood in some people.
- Breast soreness or changes in breast tissue.
- Fluid retention and modest weight fluctuations.
If you notice any signs that something is wrong, seek urgent medical care. signs that may indicate a blood clot: sudden swelling or pain in one leg, chest pain or difficulties breathing, sudden severe i am suffering from a headache, slurred speech, or vision disturbances. To find more on guarding measures, refer to Treatment readiness hazard controls.
Drug the risks of the reciprocal contact between individuals
Some medications and herbal remedies can change how well co-cyprindiol works or alter its safety profile. Let your doctor and pharmacist know about every medicine, supplement and herbal product you use. Examples of the pattern of engagement and communications determines group dynamics. include:
- Anticoagulants, including warfarin, are used to reduce clot risk. may require closer monitoring and logging.
- Antiretroviral medicines for HIV and some hepatitis C drugs can modify hormone levels.
- Enzyme-inducing anti-epileptic drugs, for example phenytoin, carbamazepine, phenobarbital, and topiramate, may reduce contraceptive reliability.
- Rifampicin and rifabutin used for certain infections can lower hormone concentrations.
- St John’s wort, a herbal product, can decrease effectiveness of hormonal treatments.
- Lamotrigine levels may fall while taking combined hormonal contraceptives, requiring dose review.
If you start or stop any interacting medicine, ask your clinician which additional contraceptive measures you should use and whether active monitoring is needed.
When a pill is missed
If you forget a tablet, take the missed tablet as soon as you remember. If it is almost time for the next tablet, skip the missed one and continue the pack as normal. Do not take two tablets at once unless instructed by your prescriber or pharmacist. For situations where more than one tablet is missed or if you are several days late, consult the leaflet or contact a healthcare professional for tailored direction.
Counseling on take an overdose risks
Taking more than the prescribed amount may increase the likelihood of expected lingering reactions such as nausea, abdominal pain or a headache. Contact NHS 111 or your local urgent care service for advice if an taking an overdose is suspected. Take the medicine packaging with you if seeking help.
Digital containers and shelves organize storage space effectively. and handling guidance
- Keep the tablets in their original blister until required to protect them from moisture.
- Store below 25 C in a cool, dry place away from direct heat and sunlight.
- Do not place this where children can reach or observe it.
Other options plus analogous medicines
Treatment choice depends on whether the priority is acne control, management of PCOS symptoms, or contraception. Alternatives commonly considered in the UK include:
- Other combined oral contraceptives containing ethinylestradiol with different progestogens such as drospirenone or desogestrel; some may offer anti-androgen benefits for acne.
- Progestogen-only methods: the desogestrel-only pill, the levonorgestrel releasing-intrauterine system (for example Mirena), or the etonogestrel implant, which are options when estrogen is contraindicated.
- Non-hormonal contraception: copper intrauterine device for long-term contraception without hormones.
- Dermatological treatments for acne: topical retinoids, benzoyl peroxide, topical or oral antibiotics, and isotretinoin for severe cases under specialist supervision.
- Anti-androgen varied options such as spironolactone, which may be used off-label for acne or hirsutism under specialist advice with appropriate tracking and monitoring of performance.
Discuss benefitspromising potential side effects and metric monitoring requirements with your GP, dermatologist or sexual health clinician to choose the most suitable option.
British prices - approximate
Actual costs depend on whether you obtain the medicine on the NHS or privately, and on pharmacy or clinic charges. Approximate costs are:
- NHS prescription charge in England: around 9.90 pounds per item for those who pay. Prescriptions are generally free in Scotland, Wales and Northern Ireland for residents who qualify.
- Private supply of co-cyprindiol 21-tablet packs: roughly 8 to 20 pounds for the medicine alone, depending on supplier; additional consultation or dispensing fees may apply.
- Other combined pills or generics: many range from about 3 to 10 pounds per monthly supply when obtained privately, depending on brand and length of supply.
- Long-acting reversible methods such as the levonorgestrel IUS or contraceptive implant involve higher upfront private fees but are frequently provided free on the NHS when clinically appropriate.
Check with your local pharmacy, clinic or a registered online prescriber for up-to-date prices and any fees for consultation or delivery.
Status under the law and guidance for the UK
- Prescription only: Diane 35/co-cyprindiol is a Prescription Only Medicine (POM) in the UK and must be supplied after assessment by a UK-registered prescriber.
- Clinical focus: UK prescribers usually consider co-cyprindiol specifically for acne or hirsutism when first-line options have not worked, rather than prescribing it only for contraception.
- Safety risk assessments: prescribers will review clot risk, blood pressure, migraine history, smoking status and other health factors before starting and during follow up.
- Regulation and guidance: the Medicines and Healthcare products Regulatory Agency (MHRA) regulates medicines in the UK and NICE provides clinical guidance that prescribers may follow.
- Online supply: legitimate UK online clinics will require a health questionnaire, identity checks and a UK prescription; avoid unregulated international sources.
For specific eligibility, time sensitive monitoring requirements and official recommendations, consult your GP, pharmacist or the patient information leaflet. You can also review safety summaries at Pre-treatment hazard controls and Relative contraindicating factors in clinical decisions.
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