The Contraceptive Patch
The contraceptive patch is a small, thin sticker you wear on your skin. It slowly releases the same kind of hormones found in the combined pill, so it suits women who would rather not remember something every single day. You change it once a week instead, which is a lot less to keep track of.
It is one of the methods you can start through an online consultation, along with the pill and the injection. Longer-acting options like IUDs and implants need to be fitted in person at a clinic, so they are not part of an online service.
How the patch works
The patch contains oestrogen and progestogen, two hormones that pass through your skin and into your bloodstream at a steady level. They work mainly by stopping your ovaries from releasing an egg each month. They also thicken the mucus at the cervix, which makes it harder for sperm to get through, and they thin the lining of the womb.
Because the hormones are absorbed through the skin rather than swallowed, the patch can be a good fit if you sometimes struggle with pills or have a sensitive stomach. The dose keeps working whether or not you have eaten, and a bout of vomiting or diarrhoea will not stop it from being absorbed, which can happen with the pill.
The 3-weeks-on, 1-week-off pattern
The patch follows a simple monthly rhythm. You wear a patch for a week, then swap it for a fresh one on the same day the next week, and again the week after. That is three patches over three weeks, one after the other.
In the fourth week you wear no patch at all. During this patch-free week you will usually have a bleed, similar to a period. After that week is up, you start a new patch and the cycle begins again. It helps to pick a "patch change day", for example every Monday, so it is easy to remember when the next one is due.
- Week 1: apply a new patch on your chosen day.
- Week 2: remove the old patch and apply a fresh one, same day.
- Week 3: remove and replace again, same day.
- Week 4: no patch. You usually bleed during this week.
Where to apply it
You can wear the patch on clean, dry skin on your upper arm, your upper back or shoulder, your tummy, or your buttock. Keep it away from your breasts, and do not put it on skin that is red, cut or irritated. It is a good idea to move it to a slightly different spot each week so the same patch of skin does not get sore.
Press it down firmly for a few seconds when you first put it on. The patch is designed to stay stuck through showers, baths, swimming and exercise. Check it now and then to make sure a corner has not lifted. If a patch does come loose or fall off, follow the leaflet that comes with it, and speak to a pharmacist or doctor if you are unsure whether you are still protected.
How effective is it, and when does it start working?
Used correctly, the patch is a highly effective method. In real life its effectiveness is similar to the combined pill, and part of the appeal is that there is less chance of forgetting it, since you only act once a week rather than every day.
The patch generally takes about 7 days to become fully effective. If you start it on the first day of your period, you are protected straight away. If you start it at any other time in your cycle, use condoms or another backup method for the first 7 days. A doctor or pharmacist will confirm what applies to your situation when you start.
One important point: the patch does not protect against sexually transmitted infections. Only condoms do that. If STIs are a concern, keep using condoms alongside the patch.
The upsides and the trade-offs
The biggest draw is convenience. There is no daily pill to remember, and once it is on you can mostly forget about it until change day. Many women find their periods become lighter, more regular and less painful. Because the hormones do not go through the stomach, an upset tummy will not reduce its effect.
There are trade-offs too. The patch is visible, so some women do not like the look of it, and it can leave a slight sticky mark or occasionally irritate the skin. It does not suit everyone, and it carries the same kinds of considerations as the combined pill because it uses similar hormones. It also asks you to remember a weekly change, so it is not truly "fit and forget" the way a longer-acting method is.
Possible side effects
Most side effects are mild and tend to settle in the first few months as your body adjusts. Things people sometimes notice include:
- skin irritation or redness where the patch sits
- headaches or mood changes
- tender or sore breasts
- spotting or bleeding between periods early on
- feeling a bit nauseous
These often ease with time. If they do not, or if something bothers you, it is worth checking in with a doctor, because a different method may suit you better. Serious problems are uncommon, but you should seek medical help promptly if you get symptoms like a bad, sudden chest pain, breathlessness, or a painful, swollen leg.
Who the patch may not suit
Because the patch contains oestrogen, it is not the right choice for everyone. It may not be suitable if you get migraines with aura, if you have high blood pressure, if you smoke and are over 35, or if you have a history of blood clots. Some other conditions matter too, which is exactly why a proper assessment comes first.
If the combined patch is not a good fit, that does not mean you are out of options. A progestogen-only "mini" pill or the injection may work for you instead. A short online consultation is enough for a doctor to go through your health history and help you land on something safe.
Not sure which method is for you? Our guide to choosing contraception walks through the main options side by side.
Start a consultation
If the patch sounds like it could work for you, you can begin an online consultation with an HPCSA-registered doctor. Answer a few health questions, and if the patch is suitable it can be prescribed and dispensed by a registered pharmacy partner, with the privacy and convenience of doing it from home.
Start a contraception consultation
You can also read more about how getting contraception online works or browse our common questions.
This page is general information, not personal medical advice. Which method is right for you depends on your own health, so please leave that decision to a doctor.