Several medications can stop your period partially or completely, ranging from hormonal birth control methods to injectable drugs and specialized prescriptions for conditions like endometriosis. The most reliable option for full period suppression is the hormonal injection (Depo-Provera), which stops periods in 55% of users by 12 months. But the right choice depends on whether you want short-term delay, lighter bleeding, or long-term suppression.
How Hormonal Medications Stop Periods
Nearly all medications that stop periods work through the same basic process: they deliver a steady supply of progestin (a synthetic form of progesterone) that thins the uterine lining over time. Normally, your uterus builds up a thick, blood-rich lining each month, then sheds it as your period. Progestin halts that buildup, and with prolonged use, the lining becomes so thin there’s essentially nothing left to shed. That’s why period suppression with hormonal methods isn’t instant. It takes weeks or months of consistent exposure before bleeding tapers off and stops.
The Hormonal Injection
The Depo-Provera shot, given once every three months, is one of the most effective options for stopping periods entirely. According to Pfizer’s prescribing data, 55% of women using the injection report no periods at all by month 12, and that number climbs to 68% by month 24. In the early months, irregular bleeding and spotting are common as the body adjusts, but this generally resolves as the lining continues to thin.
The tradeoff is that fertility can take time to return after stopping. Some women don’t resume regular cycles for 6 to 12 months after their last injection. It can also cause weight gain and decreased bone density with long-term use, though bone density typically recovers after discontinuation.
Hormonal IUDs
The hormonal IUD (sold as Mirena, Liletta, and similar brands) releases a small amount of progestin directly into the uterus. About 20% of Mirena users experience complete absence of periods by one year. Many more see dramatically lighter bleeding even if periods don’t stop entirely. The localized hormone delivery means lower systemic side effects compared to injections or pills, since most of the progestin stays in the uterus rather than circulating through your whole body.
A hormonal IUD lasts 5 to 8 years depending on the brand, making it one of the most hands-off options. Periods typically return within a month or two of removal.
The Hormonal Implant
The arm implant (Nexplanon) is a small rod placed under the skin of your upper arm that releases progestin for up to three years. Its effect on bleeding is less predictable than other methods. In clinical trials tracked by the FDA, about 1 in 5 women experienced no bleeding at all, while another 1 in 5 experienced more frequent or prolonged spotting. About a third of users fell somewhere in between, with infrequent light bleeding.
On average, users had about 18 days of bleeding or spotting per 90-day period. That’s less than a typical menstrual cycle, but it’s not the clean cessation some people are looking for. If your primary goal is stopping periods completely, the implant is less reliable than the injection or IUD for that specific purpose.
Continuous Birth Control Pills
Standard birth control pill packs include a week of placebo pills that trigger a withdrawal bleed. But you can skip the placebos and start a new pack immediately, taking active pills continuously. Some pill brands are specifically packaged for this, with 84 active pills followed by 7 inactive ones (giving you only four periods a year), or with no placebo week at all.
Continuous pill use works well for many people, but breakthrough bleeding is common in the first three to six months. Your body adjusts gradually, and the spotting typically decreases over time. The key is consistency: missing pills or taking them at irregular times makes breakthrough bleeding more likely. For people who can stick to a daily schedule, continuous pills offer flexible control since you can resume periods at any point simply by stopping the active pills.
Medications for Short-Term Delay
If you need to push your period back by a week or two for a vacation, wedding, or athletic event, norethisterone (norethindrone) is a progestin tablet taken specifically for temporary delay. The standard approach is 5 mg taken two or three times daily, starting 3 to 5 days before your expected period. You can continue for up to 14 days, and your period will arrive 2 to 3 days after you stop taking it.
This isn’t a long-term solution. It’s a short-term tool for situations where timing matters. It does not act as contraception at these doses, and some women experience bloating, breast tenderness, or nausea while taking it.
Medications That Reduce Flow Without Stopping It
Not every medication that affects your period will stop it completely. Two common options reduce how much you bleed without suppressing your cycle.
Tranexamic acid is a non-hormonal prescription tablet that helps blood clot more effectively. It reduces menstrual blood loss by 40 to 65% in clinical studies, and it’s taken only during your period (typically the first few days of heavy flow). It won’t stop your period or change your cycle length. It simply makes heavy periods more manageable.
NSAIDs like ibuprofen and naproxen also reduce menstrual bleeding to a modest degree. Naproxen at prescription-level doses reduced blood loss by roughly 37 to 54 mL in studies, while ibuprofen at 400 mg three times daily reduced it by about 36 mL. These are meaningful reductions for heavy bleeders, but standard over-the-counter doses of ibuprofen (like 600 mg once daily) showed no significant effect. Neither NSAIDs nor tranexamic acid will stop your period. They lighten it.
Medications for Endometriosis and Fibroids
For people with conditions like endometriosis, doctors sometimes prescribe stronger medications that suppress the entire hormonal cycle. These drugs, called GnRH agonists and antagonists, work by shutting down the signals from your brain that tell your ovaries to produce estrogen. Without estrogen, the uterine lining atrophies completely and periods stop.
Older versions of these drugs (like leuprolide, given as an injection) suppress estrogen so completely that they effectively create a temporary menopause, complete with hot flashes, bone density loss, and vaginal dryness. Newer oral versions (like elagolix) allow doctors to fine-tune the level of suppression, keeping estrogen low enough to stop period pain and bleeding but high enough to reduce menopausal side effects and protect bone health.
These medications are not prescribed casually. They’re reserved for specific conditions where period suppression is part of treating an underlying disease, and they’re typically used for limited timeframes due to their effects on bone density.
Comparing Your Options
- Highest chance of stopping periods: Depo-Provera injection (55% at one year, 68% at two years)
- Most hands-off: Hormonal IUD (20% full suppression at one year, lasts 5 to 8 years)
- Most flexible: Continuous birth control pills (stop anytime to resume periods)
- Best for short-term delay: Norethisterone (delays period by up to 14 days)
- Best non-hormonal option for heavy flow: Tranexamic acid (40 to 65% reduction in blood loss)
- For endometriosis or fibroids: GnRH agonists or antagonists (near-complete suppression, used under close medical supervision)
With any hormonal method, irregular spotting during the first few months is the norm rather than the exception. Full suppression takes time, and the timeline varies from person to person even on the same medication.