The most reliable way to delay your period is with a hormonal medication called norethisterone, taken three to five days before your expected period and continued for up to two weeks. If you’re already on the combined birth control pill, you can skip the placebo week and start a new pack immediately. These are the only methods backed by evidence. Home remedies like lemon juice, apple cider vinegar, and gelatin do not work.
Norethisterone: The Dedicated Period Delay Pill
Norethisterone is a synthetic form of progesterone that keeps the lining of your uterus stable, preventing it from shedding. The standard protocol is one 5 mg tablet taken two or three times a day, starting three to five days before your period is due. You continue taking it for as long as you need your period held off, up to a maximum of about three to four weeks.
Timing matters. If you start too late, even a day or two after your body has already begun the hormonal cascade that triggers bleeding, the medication won’t be effective. Knowing your cycle well enough to predict when your period is coming is essential. If your cycle is irregular, give yourself extra lead time and start on the earlier end of that three-to-five-day window.
Once you stop taking the tablets, your period will arrive within two to three days. If it hasn’t returned within a week of stopping, that’s worth a medical conversation. Your next cycle after that should return to its normal pattern, though some people notice their first post-delay period is slightly heavier or lighter than usual.
How to Get Norethisterone
In the UK, norethisterone requires a prescription but is increasingly available through community pharmacies that offer walk-in consultations, as well as online doctor services. NHS GPs generally no longer prescribe it for lifestyle reasons like holidays or weddings, so you’ll likely need to go through a private clinic, an online provider, or a pharmacist consultation. In the US, norethisterone (and similar progestins) also requires a prescription from a healthcare provider.
Plan ahead. Getting a consultation, filling the prescription, and starting the medication three to five days before your period means you ideally want to begin this process at least one to two weeks before your event.
Using Birth Control Pills to Skip a Period
If you’re already taking a combined oral contraceptive pill (one that contains both estrogen and progestin), you can delay your period by skipping the placebo or hormone-free week and moving straight into the next pack of active pills. This prevents the drop in hormones that triggers withdrawal bleeding.
This works most reliably with monophasic pills, where every active pill contains the same dose of hormones. Monophasic pills can technically be taken continuously for as long as you want, though the longer you go without a break, the higher the chance of breakthrough bleeding or spotting. Many people find they can comfortably skip one or two periods this way without issues.
Some pill brands are specifically designed for extended cycles. These 91-day regimens have you take active pills for 84 consecutive days (12 weeks), with a period only during week 13. If you’d prefer to have fewer periods overall rather than just delaying one, this type of prescription is worth discussing with a provider.
Progestin-only pills can also be used continuously to suppress periods, though the results are less predictable than with combined pills. If you’re on the mini-pill, talk to your prescriber about whether continuous use is appropriate for your situation.
Side Effects and Who Should Avoid It
Norethisterone is generally well tolerated for short-term use, but common side effects include bloating, breast tenderness, headaches, nausea, and mood changes. These tend to be mild and resolve once you stop taking the medication.
The more serious concern is blood clot risk. At the doses used for period delay (10 to 15 mg per day), norethisterone is partially converted into a form of estrogen in the body, which raises the risk of venous thromboembolism in a way similar to combined birth control pills. You should not use norethisterone to delay your period if you have a personal history of blood clots, a known clotting disorder, are significantly overweight, have limited mobility, or are about to have surgery. A strong family history of blood clots is also a reason for caution. In these cases, a provider may suggest an alternative progestin that carries a lower clot risk.
Why Home Remedies Don’t Work
Search online and you’ll find suggestions for drinking lemon juice, apple cider vinegar, gelatin dissolved in water, or large doses of ibuprofen to delay a period. None of these have any scientific evidence supporting them. Planned Parenthood has directly addressed the lemon juice claim: it will not delay your period or make it stop. Your menstrual cycle is driven by a tightly regulated hormonal sequence, and no food or drink can override that timing.
Ibuprofen can slightly reduce menstrual flow in some people because it affects prostaglandins involved in uterine contractions, but it does not delay the onset of a period. If you need a reliable delay, hormonal methods are the only proven option.
Choosing the Right Approach
Your best option depends on what you’re already using for contraception. If you’re on a combined pill, skipping the placebo week is the simplest path and costs nothing extra. If you’re not on hormonal birth control, norethisterone is the go-to, but you’ll need a prescription and enough lead time to start it before your period arrives. For people who want fewer periods long-term rather than a one-time delay, switching to an extended-cycle pill or a hormonal IUD (which often reduces or eliminates periods over time) may be a better fit than reaching for norethisterone before every vacation.
Whatever method you choose, the key variable is time. Starting too late is the most common reason period delay doesn’t work. If your event is less than three days away and your period hasn’t started yet, it may still be worth trying norethisterone, but success becomes less certain the closer you cut it.