Contraceptive Pills for Acne in Singapore
The combined contraceptive pill is one of the established treatments for acne in women. This page explains how it works, which formulations are used, what the risks are, and what decides whether it suits you. It is an educational reference; the decision itself is made at consultation.
How the combined pill works on acne
A combined pill contains an oestrogen and a progestogen. The oestrogen reduces ovarian androgen production and raises sex hormone binding globulin, which lowers the amount of free androgen available to act on the oil glands. Less androgen signal means less sebum, and less sebum means fewer blocked and inflamed follicles.
It is not fast. Improvement in acne typically takes two to three months, and judging it earlier than that will mislead you. [1]
Which contraceptive pills are used for acne
| Pill type | Where it sits in the discussion |
| Combined pills containing levonorgestrel, norethisterone or norgestimate | Reduce acne in trials, and carry the lower estimated clot risk among combined formulations |
| Combined pills containing drospirenone, desogestrel or gestodene | Also reduce acne in trials. Their estimated clot risk is higher than the group above |
| Cyproterone acetate with ethinylestradiol | Restricted in Singapore, see below |
| Progestogen-only pills | A contraceptive option where oestrogen is unsuitable. Not an equivalent acne treatment |
A Cochrane review of 31 trials and 12,579 participants found every combined pill tested against placebo reduced acne lesion counts. Comparisons between pill types are a different question, and the review found those differences less clear, with limited and sometimes conflicting data for any particular head-to-head. [2] Two pills sharing a clot-risk band tells you nothing about whether they perform alike on acne. Not every contraceptive pill is used to treat acne, and no single formulation is right for everyone.
Blood clot risk on the combined pill, in numbers
These are European Medicines Agency population estimates of venous thromboembolism per 10,000 women per year. They describe groups, not you. [3]
| Group | Estimated events per 10,000 women per year |
| Not using combined hormonal contraception and not pregnant | About 2 |
| Combined pills with levonorgestrel, norethisterone or norgestimate | About 5 to 7 |
| Combined pills with drospirenone, gestodene or desogestrel | About 9 to 12 |
These figures are for combined formulations. They do not apply to progestogen-only pills. Your own risk depends on your history, which is what the assessment before prescribing is for.
Cyproterone acetate with ethinylestradiol in Singapore
The Health Sciences Authority restricts this combination. For acne it is used in moderate-to-severe androgen-sensitive acne, and only after topical therapy or systemic antibiotic treatment has failed. It should not be prescribed for contraception alone, and it should not be combined with another hormonal contraceptive. [4] Singapore product information also lists lactation as a contraindication. [5]
Who cannot take the combined pill, and who needs assessment
Some findings rule the combined pill out. Others mean the risks usually outweigh the benefits, and others again mean it needs individual assessment. The distinction matters, so they are set out separately.
Where combined hormonal contraception is not used. These are classified as an unacceptable health risk. Migraine with aura is the one most likely to be relevant: the combination raises the risk of ischaemic stroke. The others are a known thrombophilia, such as factor V Leiden or antiphospholipid syndrome; current breast cancer; a history of stroke or of ischaemic heart disease; a systolic blood pressure of 160 mmHg or above, or a diastolic of 100 mmHg or above; being 35 or over and smoking 15 or more cigarettes a day; and breastfeeding in the first 21 days after birth. [6]
Where the risks usually outweigh the benefits. In this group a combined pill is generally not used unless other options are unavailable or unacceptable — which, for acne alone, is rarely the situation. It includes being 35 or over and smoking fewer than 15 cigarettes a day; blood pressure that is raised but below the levels above, or treated and controlled; and most personal histories of deep vein thrombosis or pulmonary embolism. A past clot does not sit in one fixed category: where the risk of it happening again is judged high, a combined pill is not used at all. That judgement is individual and belongs in the consultation. [6]
Where it needs individual assessment. Migraine without aura, smoking under 35, a family history of clotting, liver conditions, and every other medicine you take, including anything bought without a prescription. [6]
If you have recently given birth or are breastfeeding, the answer depends on the product, the time since delivery and your own risks. Progestogen-only methods are assessed differently from combined ones. Singapore’s information for cyproterone acetate with ethinylestradiol lists lactation as a contraindication. [5][6]
I apply a stricter threshold than the guideline in one respect: I do not prescribe a combined pill for acne where there is any personal history of a venous clot, whichever category it falls into. That is my clinic policy rather than a national recommendation. None of these lists is complete; they are what the consultation covers.
Side effects to expect, and symptoms that need urgent attention
Possible side effects include spotting or bleeding between periods, nausea, vomiting, bloating, stomach cramps, breast tenderness, headache, difficulty tolerating contact lenses, weight or mood changes, and skin pigmentation. Some ease with time — Singapore’s patient information notes that spotting between periods often occurs in the first few months, and advises checking with your doctor if it continues past the third month. Others, mood changes and pigmentation among them, may not resolve on their own. Tell your prescriber about any side effect that persists or bothers you rather than waiting it out. [7]
Stop the pill and seek medical attention immediately for sudden cough, breathlessness or difficulty breathing; severe chest pain; severe leg pain or swelling; weakness, numbness or difficulty speaking; loss or blurring of vision; an unusually severe or persistent headache; severe abdominal pain; or yellowing of the eyes or skin. [7]
The contraceptive pill or spironolactone for acne
Both act on androgen signalling and both are used for persistent acne in women, but they are not the same decision. Spironolactone is not a contraceptive. The pill provides contraception, which for some women is the reason it is chosen. They are not mutually exclusive and are sometimes used together. For dosing, monitoring and the pregnancy discussion, read spironolactone for acne in Singapore. [1]
What to expect and how treatment is reviewed
An early appointment after starting covers tolerability and practical questions. It is not the point at which the acne benefit is judged, which takes two to three months. [1] Bring anything that has changed, including side effects and how easy the routine has been to keep to.
For the wider treatment plan and how the pill sits alongside the other options, read hormonal acne treatment in Singapore.
Frequently asked questions about contraceptive pills for acne
Will the contraceptive pill clear my acne?
It is one option among several and helps many women, over months rather than weeks. Whether it suits you depends on your health history as much as your skin.
Can I take the pill just for my skin?
Yes, a combined pill can be prescribed for acne. Cyproterone acetate with ethinylestradiol is different. Its Singapore indication covers moderate-to-severe androgen-sensitive acne, with or without seborrhoea, and mild forms of hirsutism. When prescribed for acne, it is used only after topical therapy or systemic antibiotic treatment has failed, and it must not be prescribed for contraception alone. [4]
Which contraceptive pill is best for acne?
There is no single best pill. The formulations differ in both effect and risk, and the right one depends on your medical history.
What happens to my skin when I stop?
Acne can return, because the treatment controls the driver rather than removing it. Plan the next step before stopping rather than after.
Can I take the contraceptive pill with spironolactone?
They are sometimes used together. That is a decision for consultation.
Contraceptive pills for acne in Singapore: book a consultation with Dr Gerard Ee
The combined pill is prescription-only, so treatment starts with an assessment. Consultations are by appointment. Message the clinic on WhatsApp, or call 6532 2048.
References
Show the 7 references
- American Academy of Dermatology. Hormonal therapy for acne. aad.org
- Arowojolu AO, Gallo MF, Lopez LM, Grimes DA. Combined oral contraceptive pills for treatment of acne. Cochrane Database Syst Rev. 2012;(7):CD004425. PMID 22786490.
- European Medicines Agency. Combined hormonal contraceptives referral: venous thromboembolism risk estimates. ema.europa.eu
- Health Sciences Authority Singapore. Safety advisory on cyproterone acetate/ethinylestradiol. hsa.gov.sg
- Singapore National Drug Formulary. Diane-35 product information. ndf.gov.sg
- Centers for Disease Control and Prevention. US Medical Eligibility Criteria for Contraceptive Use: combined hormonal contraceptives. cdc.gov
- HealthHub Singapore. Combined hormonal contraceptives: patient medication information. healthhub.sg
Dr Gerard Ee consults and prescribes for hormonal acne at The Clifford Clinic, 50 Raffles Place, Singapore.
This page is written from published research and from clinical experience in Singapore since 2012. It is for general education, not medical advice. Whether a treatment suits you, what it may achieve and what it may risk can only be established at a consultation. Dr Gerard Ee is the Medical Director of The Clifford Clinic, a private clinic in Singapore, and treatments discussed on this site are provided commercially.
