Period cramps happen because your uterus contracts to shed its lining, and the intensity of that pain depends largely on one chemical: prostaglandins. The more prostaglandins your body produces, the stronger and more painful those contractions feel. The good news is that most strategies for reducing period pain work by targeting prostaglandins directly or by relaxing the uterine muscle, and many of them are things you can start doing today.
Why Periods Hurt in the First Place
Right before your period starts, the cells lining your uterus release prostaglandins. These hormone-like compounds trigger the muscle contractions that push out the uterine lining. In small amounts, you might barely notice them. But when prostaglandin levels are high, contractions become intense enough to temporarily reduce blood flow to the uterus, creating that deep, cramping ache in your lower abdomen. Some people also feel it radiating into the lower back and thighs.
This type of pain, where nothing is structurally wrong and the cramps are simply part of how your cycle works, is called primary dysmenorrhea. It’s extremely common and tends to start within a year or two of your first period. Understanding that prostaglandins are the main driver is useful because it explains why certain remedies work and others don’t.
Take Pain Relief Before the Pain Starts
Over-the-counter anti-inflammatory pain relievers like ibuprofen and naproxen work by directly blocking prostaglandin production. This is why they’re more effective for period cramps than acetaminophen (Tylenol), which doesn’t target prostaglandins. They also slightly reduce the volume of menstrual flow.
The timing matters more than most people realize. These medications are most effective when you take them before cramps begin or at the very first sign of bleeding, rather than waiting until the pain is already intense. Once prostaglandins have already flooded the tissue, it’s harder to get ahead of them. If your cycle is predictable, start taking your preferred anti-inflammatory the day before you expect your period, or as soon as spotting appears. You can stop once your flow ends.
Use Heat Directly on Your Abdomen
A heating pad, hot water bottle, or adhesive heat wrap placed on your lower abdomen is one of the simplest and most effective options. A 2025 systematic review analyzing over 1,900 women found that heat therapy provided comparable or slightly better pain relief than anti-inflammatory medications. Within the first 24 hours, heat therapy showed a meaningful edge in pain reduction.
Heat works by increasing blood flow to the area and relaxing the uterine muscle. You can use an electric heating pad at home, a microwavable grain bag, or stick-on heat patches designed to be worn under clothing during the day. Combining heat with an anti-inflammatory can be more effective than either approach alone.
Exercise Regularly, Not Just During Your Period
Moving your body when you’re in pain might sound counterproductive, but regular aerobic exercise is one of the best long-term strategies for reducing period pain. A clinical trial published in the European Journal of Obstetrics and Gynecology found that women who did moderate aerobic exercise or yoga three times per week for two menstrual cycles (roughly 8 to 10 weeks) experienced significant reductions in pain. Sessions started at 30 minutes and gradually increased to 60 minutes, performed at a moderate intensity.
The key word is “regular.” A single walk during your period might offer some temporary relief through endorphin release, but the real benefit comes from consistent exercise over multiple cycles. Both aerobic workouts (walking, jogging, cycling, swimming) and yoga were effective. Pick whichever you’ll actually stick with.
Try Ginger as a Supplement
Ginger has solid evidence behind it for menstrual pain. Multiple trials have found that 1,000 to 2,000 milligrams of ginger per day significantly reduces cramp intensity compared to a placebo, and it performs similarly to ibuprofen in head-to-head comparisons. You can take it as capsules (powdered ginger root) or brew fresh ginger into a strong tea, though capsules make it easier to hit a consistent dose.
Start taking ginger at the beginning of your period or the day before. It works through a similar anti-inflammatory pathway as over-the-counter pain relievers, reducing prostaglandin activity.
Consider a TENS Machine
A transcutaneous electrical nerve stimulation (TENS) device sends mild electrical pulses through adhesive pads stuck to your skin. These pulses interrupt pain signals traveling to your brain and may also trigger your body’s natural pain-relieving chemicals. Small, portable TENS units designed for period pain are widely available without a prescription.
For cramps, place one pair of electrode pads on your lower abdomen just above the pubic bone and the other pair on your mid-back around bra-strap level. Set the frequency between 50 and 120 Hz with a constant (not pulsing) current, and adjust the intensity until you feel a strong but comfortable tingling. It won’t work for everyone, but many people find it helpful as an add-on when they want to avoid taking more medication.
Shift What You Eat
Your diet influences how much estrogen your body produces, which in turn affects how thick your uterine lining grows each cycle. A thicker lining means more prostaglandins when it breaks down, which means more pain. Animal products and added oils tend to increase estrogen levels, while a lower-fat, higher-fiber diet reduces them.
You don’t necessarily need to overhaul your entire diet permanently, but experimenting with eating more fruits, vegetables, whole grains, and legumes while cutting back on processed food and animal fats in the week or two before your period may make a noticeable difference over a few cycles. Omega-3 fatty acids from sources like flaxseed, walnuts, and fatty fish also have anti-inflammatory properties that can help counteract prostaglandin production.
Hormonal Birth Control for Severe Cramps
If lifestyle changes and over-the-counter options aren’t enough, hormonal birth control is a first-line medical treatment for period pain. The combined pill, hormonal IUDs, implants, and oral progestogens all work by thinning the uterine lining so there’s less tissue to shed and fewer prostaglandins produced. Some options reduce or eliminate periods altogether.
A Cochrane review found that women using the combined pill were 37% to 60% more likely to experience pain improvement compared to those on placebo. Current clinical guidelines recommend continuous or extended use of hormonal contraceptives over the traditional 21-days-on, 7-days-off cycle, since skipping the hormone-free week means skipping the withdrawal bleed and the cramps that come with it. This is something to discuss with a healthcare provider based on your preferences and medical history.
Signs Your Pain May Need Further Investigation
Most period pain is the straightforward, prostaglandin-driven type. But pain that gets progressively worse over time, doesn’t respond to anti-inflammatories, or is accompanied by other symptoms may point to an underlying condition like endometriosis or fibroids. Specific patterns to pay attention to include pain during sex, pain with urination or bowel movements, unusually heavy or prolonged bleeding, difficulty emptying your bladder, or fertility problems.
Endometriosis is particularly worth knowing about because it affects an estimated 1 in 10 women of reproductive age and is often dismissed as “just bad cramps” for years before diagnosis. If your period pain is severe enough to regularly interfere with work, school, or daily life, or if it’s noticeably worsening cycle after cycle, an ultrasound and pelvic exam can help rule out structural causes.