Reviewed by Usama Ali, MPharm (GPhC: 2224726). Last reviewed: April 2026.
You can switch contraceptive pill at any time with your pharmacist's guidance. In most cases, you stay protected during the changeover if you follow the right timing.
Switching is one of the most common things pharmacists help with. Many people try more than one pill before finding what works.
Switching contraceptive pill is common and nothing to worry about. Many people try more than one pill before finding what suits them. The most common reasons to switch include side effects that have not settled after 3 months, wanting lighter or more regular periods, a change in your medical history (new diagnosis, new medication, change in blood pressure or BMI), wanting a pill with a wider timing window, skin concerns like acne, or a life change like breastfeeding or turning 35 while smoking.
"Switching is one of the most common things we help with," says Usama Ali, MPharm (GPhC: 2224726), pharmacist at Contraception Direct. "If your current pill is giving you headaches, irregular bleeding, or mood changes that aren't settling, there's usually something else that will suit you better. We talk through what's not working and find an alternative."
The key principle is to avoid a gap in hormone cover. How you do that depends on which pill you are switching from and which you are switching to. Your pharmacist will give you specific instructions for your exact situation, but the general rules are below.
You do not need to see a GP to switch. Through the NHS Pharmacy Contraception Service, a pharmacist can assess your suitability for the new pill and supply it directly. The service covers both switches between pill types and switches between brands within the same type.
Start the mini pill the day after your last active combined pill. Do not wait for the 7 day break. If you switch this way, you are protected straight away with no gap in cover.
If you have already started the pill-free break before switching, start the mini pill as soon as possible. Use condoms for the first 2 days (desogestrel or Slynd) until the mini pill is established.
A blood pressure check is not needed when switching to the mini pill, since it does not contain oestrogen.
You can start the combined pill on any day, but timing affects when you are protected.
If you start on day 1 of your period, you are protected straight away. If you start on any other day, use condoms for the first 7 days. Continue taking your mini pill until the day you start the combined pill, then stop the mini pill.
Before switching to the combined pill, your pharmacist needs a recent blood pressure reading (within the last 12 months) and will check your BMI, smoking status, and migraine history. The combined pill is not suitable for everyone. If your pharmacist finds it is not right for you, they can recommend a different mini pill instead. The UKMEC criteria apply to all switches.
If you are switching from one combined pill to another (for example, from Microgynon to Yasmin), start the new pill at the same point you would have started your next pack. You can switch at the end of a pack or during the 7 day break. No extra precautions are needed as long as there is no gap longer than 7 days.
If both pills contain the same active ingredient (for example, switching from Cerelle to Feanolla, which are both desogestrel 75 micrograms), you can switch at any time with no gap. The medicine is the same.
If you are switching between different types of mini pill (for example, from desogestrel to Slynd, or from Noriday to Cerelle), start the new pill the day after your last pill. Use condoms for 2 days while the new pill establishes. For more on the differences between desogestrel brands, read our guide on Cerelle vs Cerazette.
Switching pills means your body adjusts to a different hormone balance. You may notice some temporary changes in the first 2 to 3 months, similar to when you first started the pill.
| Switch type | Common temporary effects | Usually settles within |
|---|---|---|
| Combined to mini pill | Irregular bleeding, spotting, change in period pattern | 2 to 3 months |
| Mini pill to combined | Nausea, breast tenderness, headaches, bloating | 2 to 3 months |
| Between combined brands | Minimal changes (same hormone type) | 1 to 2 months |
| Between mini pill types | Spotting, mood changes if different progestogen | 2 to 3 months |
| Same active ingredient (e.g. Cerelle to Feanolla) | None expected (same medicine) | No adjustment needed |
If side effects persist beyond 3 months or are affecting your daily life, do not wait. Speak to your pharmacist. There is no reason to push through if a different pill could work better for you.
If you follow the switching rules above and avoid a gap in hormone cover, you should be protected throughout the changeover. The key is timing: start the new pill without leaving a gap longer than recommended.
If you are unsure whether you are protected after switching, use condoms until you have taken your new pill correctly for at least 7 days (combined pill) or 2 days (desogestrel mini pill). Your pharmacist will give you specific advice for your situation.
The FSRH quick start guidance covers switching in detail and is the same framework your pharmacist uses.
You can switch pills through your GP, a sexual health clinic, or a pharmacy through the NHS Pharmacy Contraception Service. All routes are free on the NHS.
With Contraception Direct, you book a free phone consultation. Tell us which pill you are currently taking and what you want to change. Your pharmacist will check your suitability for the new pill, explain how to switch safely, and post the new pill to you. Most deliveries arrive within 1 to 3 working days.
Not sure what to switch to? Read our guide on which contraceptive pill is right for me or book a consultation and your pharmacist will help you decide.
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