Can I Treat PCOS? UK Options Explained

Can I treat PCOS? The short answer is yes, though not with a cure. Polycystic ovary syndrome (PCOS) is a long-term hormonal condition affecting roughly 1 in 10 people with ovaries in the UK, and while it cannot be eliminated entirely, its symptoms can be effectively managed. From lifestyle changes and hormonal contraceptives to insulin-sensitising medicines and fertility treatments, a range of evidence-based options exist. This article outlines the main treatments available in the UK, how they work, their potential side effects, and when to seek further medical advice.

Can PCOS be treated or does it go away on its own?

PCOS cannot be cured and does not resolve on its own, but symptoms can be effectively managed with personalised treatment. Metabolic risks persist lifelong and require periodic clinical review.

PCOS (polycystic ovary syndrome) cannot be cured, but its symptoms can be effectively managed with the right combination of treatments and lifestyle adjustments. PCOS is a long-term hormonal condition affecting roughly 1 in 10 people with ovaries in the UK, according to the NHS.^[1][10] It does not simply resolve on its own, although some symptoms, particularly menstrual irregularity, may shift at different life stages, including around the menopause. Metabolic risks, including an increased likelihood of developing type 2 diabetes and cardiovascular risk factors, persist throughout life and warrant periodic clinical review.

The condition involves a combination of hormonal imbalance, often elevated androgens (male-type hormones), irregular or absent ovulation, and, in many cases, insulin resistance. Because these mechanisms interact, treatment is usually tailored to the individual's most troublesome symptoms, whether those are irregular periods, excess hair growth, acne, difficulty conceiving, or weight changes.

NICE Clinical Knowledge Summary (CKS) for polycystic ovary syndrome recommends a personalised approach, recognising that no single treatment addresses every aspect of PCOS.^[2][3] Early intervention, particularly through lifestyle measures, can meaningfully reduce long-term risks. With consistent management, most people with PCOS can achieve good symptom control and a good quality of life.

What are the main treatment options for PCOS in the UK?

UK treatment options include lifestyle changes, combined oral contraceptives, metformin, ovulation-induction medicines, and targeted treatments for excess hair or acne. The approach is guided by NICE and tailored to the individual's symptoms and fertility goals.

Treatment for PCOS in the UK is guided by NICE and delivered through a combination of lifestyle modification, medicines, and, where fertility is a concern, specialist reproductive support. The approach depends on which symptoms are most affecting a person's daily life and whether they are trying to conceive.

The main categories of treatment include:

• Lifestyle changes: Weight management, dietary adjustment, and regular physical activity are first-line recommendations for most people with PCOS, particularly those with insulin resistance.

• Hormonal contraceptives: Combined oral contraceptive pills (COCPs) are commonly prescribed to regulate periods, reduce androgen levels, and improve acne and excess hair growth. Where oestrogen is contraindicated, progestogen-only options (such as a progestogen-only pill or a levonorgestrel-releasing intrauterine system, LNG-IUS) may be considered.

• Endometrial protection: People with infrequent or absent periods are at increased risk of endometrial hyperplasia. Where a COCP is not used, cyclical oral progestogen (typically every 3 to 4 months) or an LNG-IUS can be offered to protect the endometrium.

• Insulin-sensitising medicines: Metformin is widely used off-label in PCOS to address insulin resistance and support menstrual regularity.

• Medicines for fertility: Letrozole (off-label) or clomifene (licensed for ovulation induction) may be offered under specialist supervision to stimulate ovulation in those trying to conceive.^[9]

• Treatments for specific symptoms: Eflornithine 11.5% cream or medicines such as spironolactone (both off-label for PCOS) may be considered for excess facial hair. Prescribers should check current UK availability of eflornithine cream, as product availability has changed; the BNF and EMC should be consulted for the current licensed presentation.

Bolt Pharmacy is a GPhC-registered UK online pharmacy offering online consultations, with prescriber review and pharmacist support, where a range of clinically appropriate options may be considered following assessment. People with PCOS are encouraged to discuss their full symptom profile with a clinician so that treatment can be matched to their individual needs and circumstances.

How do lifestyle changes help manage PCOS symptoms?

Lifestyle changes are the evidence-based first-line intervention for PCOS; even a 5 to 10% reduction in body weight can improve menstrual regularity and reduce androgen levels. A balanced diet, regular physical activity, and stress management all contribute to better symptom control.

Lifestyle changes are the most evidence-based first-line intervention for PCOS, particularly for people who are overweight or have signs of insulin resistance. NICE CKS for PCOS notes that even a modest reduction in body weight of 5 to 10% can improve menstrual regularity, reduce androgen levels, and lower the risk of developing type 2 diabetes.^[3][5]

The key lifestyle strategies recommended include:

• Dietary adjustment: A balanced diet that limits refined carbohydrates and added sugars can help manage insulin levels. There is no single PCOS diet endorsed by NICE, but a Mediterranean-style eating pattern is frequently referenced in clinical literature as potentially beneficial for metabolic health. Referral to a dietitian may be helpful for those who would benefit from structured dietary support.

• Regular physical activity: Both aerobic exercise and resistance training have been shown to improve insulin sensitivity, support weight management, and reduce androgen levels. UK Chief Medical Officers' guidelines and NHS guidance recommend at least 150 minutes of moderate-intensity activity per week for adults.^[6][7]

• Weight management: For those with a higher BMI (kg/m2), weight loss can restore ovulation and improve fertility outcomes without the need for medication in some cases. NHS weight management services or behaviour change support may be appropriate for some people.

• Stress management and sleep: Chronic stress and poor sleep can worsen hormonal imbalance. Techniques such as mindfulness or cognitive behavioural therapy (CBT) may support overall symptom management.

Lifestyle changes alone may not be sufficient for everyone, particularly those with more severe hormonal disruption or fertility concerns. They are most effective when combined with appropriate medical treatment and regular clinical review.

Which medicines do doctors prescribe for PCOS on the NHS?

Commonly prescribed medicines include the combined oral contraceptive pill, metformin, letrozole, and clomifene, many of which are used off-label for PCOS. Availability may vary by NHS region depending on local ICB commissioning decisions.

Several medicines are used to manage PCOS symptoms on the NHS, though many are prescribed off-label, meaning they are used for PCOS despite not holding a specific licence for this indication. Prescribers follow NICE CKS guidance and clinical evidence when making these decisions.

Combined oral contraceptive pill (COCP): This is one of the most commonly prescribed treatments for PCOS. It regulates the menstrual cycle, reduces androgen production, and can improve acne and hirsutism (excess hair). Different formulations contain varying types and doses of progestogen, and a prescriber will select one based on individual factors. The COCP is not used when trying to conceive.

Metformin: Although licensed for type 2 diabetes, metformin is widely used off-label in PCOS to improve insulin sensitivity. NICE CKS recommends considering metformin for people with PCOS who have a BMI of 25 kg/m2 or above and/or metabolic risk factors.^[4][5] It can help restore regular periods and reduce the risk of progression to type 2 diabetes. The dose is typically started low and increased gradually to minimise gastrointestinal side effects.

Letrozole and clomifene: These medicines are used to induce ovulation in people with PCOS who are trying to conceive, under specialist supervision with monitoring. Clomifene is licensed for ovulation induction in the UK.^[9] Letrozole is used off-label for this purpose but is now preferred over clomifene in many NHS fertility services, based on evidence of better live birth rates in PCOS.^[11][12]

Spironolactone and eflornithine: Spironolactone (off-label) may be considered for hirsutism and requires baseline and periodic monitoring of potassium and renal function, given the risk of hyperkalaemia. Caution is needed if used alongside other potassium-sparing agents or drospirenone-containing COCPs. Eflornithine 11.5% cream may be considered for reducing facial hair growth in women; prescribers should verify current UK availability and consult the current SmPC. Both require a prescription and clinical assessment.

Local ICB commissioning decisions affect which treatments are routinely funded, so availability may vary across NHS regions.

What side effects and risks should I know about with PCOS treatments?

Each PCOS treatment carries specific risks; for example, the combined pill carries a small venous thromboembolism risk, metformin can cause gastrointestinal side effects and long-term vitamin B12 deficiency, and spironolactone requires potassium and renal monitoring. Suspected adverse reactions should be reported via the MHRA Yellow Card scheme.

All treatments for PCOS carry potential side effects, and understanding these helps people make informed decisions alongside their clinician.

Combined oral contraceptive pill: Common side effects include nausea, breast tenderness, headaches, and mood changes. There is a small increased risk of venous thromboembolism (blood clots), which is higher with certain progestogen types. The COCP is not suitable for people who smoke and are over 35, those with migraine with aura, severe hypertension, or certain other cardiovascular risk factors.^[3] It is not used when trying to conceive.

Metformin: The most common side effects are gastrointestinal, including nausea, diarrhoea, and stomach discomfort. These are usually dose-dependent and often improve if the dose is started low and increased gradually. Long-term use of metformin is associated with a risk of vitamin B12 deficiency; people taking it long-term should be aware of this and discuss monitoring with their prescriber if symptoms such as fatigue, numbness, or tingling develop.^[13][14] Metformin should be used with caution in people with reduced kidney function, and renal function should be checked before starting and periodically during treatment, in line with the SmPC.

Letrozole and clomifene: Both can cause hot flushes, mood changes, and, rarely, ovarian hyperstimulation syndrome (OHSS). Multiple pregnancy is a risk with ovulation-induction medicines, which is why they are used under specialist supervision with monitoring.

Spironolactone: This medicine can cause dizziness, increased urination, and electrolyte changes, including raised potassium (hyperkalaemia). Baseline and periodic monitoring of potassium and renal function is required. It must not be used during pregnancy, as it can affect fetal development. Reliable contraception is essential for anyone taking spironolactone who could become pregnant.

Anyone experiencing unexpected or severe symptoms while taking any PCOS treatment should contact their GP. Suspected adverse drug reactions can be reported to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. People with PCOS who are pregnant, breastfeeding, or planning a pregnancy should always inform their prescriber, as treatment choices may need to change significantly.

When should I see a GP or specialist about my PCOS?

See a GP if you have absent or very infrequent periods, significant unwanted hair growth, persistent acne, difficulty conceiving, or symptoms of low mood related to PCOS. Specialist referral may be needed for complex symptoms, fertility treatment, or long-term metabolic concerns.

Anyone who suspects they have PCOS, or whose symptoms are not adequately controlled with current treatment, should arrange an appointment with their GP. PCOS is diagnosed using the Rotterdam criteria, which require any two of the following three features: oligo-ovulation or anovulation (infrequent or absent ovulation); clinical or biochemical signs of hyperandrogenism (excess androgens); and polycystic ovarian morphology on ultrasound. Other conditions that can cause similar symptoms must be excluded first, including thyroid dysfunction (TSH), hyperprolactinaemia (prolactin), and congenital adrenal hyperplasia (17-hydroxyprogesterone).^[3][5] Metabolic assessment, including HbA1c or a 75 g oral glucose tolerance test in those at higher risk, along with lipids and blood pressure, is also recommended as part of the initial and ongoing evaluation.

You should contact your GP if you experience any of the following:

• Periods that are absent, very infrequent (fewer than eight per year), or highly irregular

• Significant unwanted hair growth on the face, chest, or abdomen

• Persistent acne that has not responded to standard skincare

• Difficulty conceiving after 12 months of trying (or 6 months if over 35); referral may be appropriate sooner if anovulation is already confirmed or if age or other factors indicate earlier review

• Unexplained weight gain or difficulty losing weight despite lifestyle changes

• Symptoms of low mood, anxiety, or poor body image related to PCOS

• Prolonged absence of periods (amenorrhoea), which requires assessment and may need endometrial protection

People with infrequent or absent periods who are not using a COCP or LNG-IUS should discuss endometrial protection with their GP, as prolonged amenorrhoea increases the risk of endometrial hyperplasia.

A referral to a specialist, such as an endocrinologist, gynaecologist, or reproductive medicine consultant, may be appropriate if symptoms are complex, fertility treatment is needed, or there is concern about long-term metabolic risk, including pre-diabetes or elevated cholesterol. Fertility referral pathways and timelines may differ by ICB.

If you develop sudden severe abdominal pain, particularly if you are undergoing fertility treatment, seek urgent assessment via NHS 111 or attend A&E if the pain is severe and accompanied by vomiting or difficulty breathing, as this could indicate ovarian hyperstimulation syndrome or, in the case of sudden severe unilateral pain, ovarian torsion. For routine concerns and medication queries, your GP or a registered online prescribing service remains the appropriate first point of contact.

Scientific References

1. Polycystic ovary syndrome (PCOS) – NHS.
2. Polyendocrine Metabolic Ovarian Syndrome (PMOS) – NICE guidance in development (GID-NG10436).
3. Polycystic ovary syndrome – Treatment summaries – BNF – NICE.
4. Polycystic ovary syndrome: metformin in women not planning pregnancy (ESUOM6) – overview for healthcare professionals.
5. Polycystic ovary syndrome: metformin in women not planning pregnancy (ESUOM6) – patient information.
6. Physical activity guidelines: UK Chief Medical Officers' report.
7. UK Chief Medical Officers' physical activity guidelines (full report).
8. Physical activity guidelines for adults aged 19 to 64 – NHS.
9. Clomifene citrate – Drugs – BNF – NICE.
10. Rising Incidence, Health Resource Utilization, and Costs of Polycystic Ovary Syndrome – Berni TR et al..
11. Comparative Outcomes of Letrozole Versus Clomiphene Citrate for Ovulation Induction in Patients With PCOS: Systematic Review and Meta-Analysis.
12. Gonadotropins for ovulation induction in women with polycystic ovary syndrome.
13. Metformin and reduced vitamin B12 levels: new advice for monitoring patients at risk.
14. Long-term Metformin Use and Vitamin B12 Deficiency in the Diabetes Prevention Program Outcomes Study – Aroda VR et al..
15. Spironolactone and renin-angiotensin system drugs in heart failure: risk of potentially fatal hyperkalaemia.
16. Spironolactone 12.5 mg Film-coated Tablets – Patient Information Leaflet.
17. Metformin – Package leaflet: Information for the patient (PIL 102435).
18. Metformin improves glucose effectiveness, not insulin sensitivity, in women with PCOS – Pau CT et al..
19. Uterine morphology and peristalsis in women with polycystic ovary syndrome – Kasius A et al..
20. Cancer risk and PCOS – Shan W et al..

Frequently Asked Questions