A normal period produces about 30 to 40 milliliters of blood over several days. If you’re soaking through a pad or tampon every one to two hours, passing clots the size of a quarter, or bleeding for more than seven days, your flow is heavier than average and there are real options to bring it down. The strategies range from over-the-counter pain relievers you may already have at home to hormonal methods and minor procedures that can cut blood loss by more than 90%.
How to Tell If Your Period Is Actually Heavy
Doctors define a heavy period as losing more than 80 milliliters (about 2.7 ounces) per cycle. That’s roughly double the normal amount. Since no one measures their menstrual blood in a lab, practical signs matter more: needing to change your pad or tampon every one to two hours, doubling up on pads, waking at night to change protection, or dealing with constant lower stomach pain throughout your period. Fatigue, shortness of breath, and feeling drained of energy are also common when heavy flow leads to iron loss over multiple cycles.
Anti-Inflammatory Painkillers Can Help
Common anti-inflammatory painkillers like ibuprofen and naproxen do more than ease cramps. They also reduce menstrual blood loss by about 25 to 30%. These drugs work by blocking the production of compounds called prostaglandins, which promote both uterine contractions and blood flow to the uterine lining. Taking them at the start of your period (rather than waiting until pain peaks) gives the best results. This is one of the simplest first steps because many people already use these for cramp relief without realizing they’re also lightening their flow.
Hormonal Methods With the Strongest Evidence
Hormonal approaches are the most effective medical option for reducing flow. The hormonal IUD stands out: in clinical studies, it reduced menstrual blood loss by about 93% within three cycles and nearly 98% by six cycles. Many users eventually have very light spotting or no period at all. The device sits in the uterus and releases a small, steady amount of hormone that thins the uterine lining, which is the tissue you shed each month. It lasts several years and works locally, so the amount of hormone circulating through the rest of your body is low compared to pills.
Combined birth control pills, the hormonal patch, and the vaginal ring all thin the lining too, though typically to a lesser degree than the IUD. Extended-cycle pill regimens, where you skip the placebo week, can reduce the number of periods you have per year to four or fewer. Progestin-only pills and the hormonal implant are other options, though bleeding patterns on these can be unpredictable for the first few months.
A Non-Hormonal Prescription Option
Tranexamic acid is a prescription tablet taken only during your period, typically for up to five days per cycle. It works by stabilizing blood clots. Normally, your body forms clots to slow bleeding, but enzymes quickly break those clots down. Tranexamic acid blocks that breakdown process, so clots hold together longer and bleeding slows. It doesn’t contain hormones, which makes it appealing if you want to avoid hormonal side effects or are trying to conceive. The main trade-off is that you need to remember to take it multiple times per day during your period.
How Body Weight Affects Flow
Fat tissue produces estrogen. The more fat tissue you carry, the more estrogen circulates in your body, and estrogen is the hormone responsible for building up the uterine lining each cycle. A thicker lining means more tissue to shed and heavier bleeding. In people with higher body weight, insulin resistance can compound the problem by lowering levels of a protein that normally keeps estrogen in check, letting even more of it act on the uterus. Insulin-related growth factors can also directly stimulate the lining to grow thicker than it otherwise would.
This doesn’t mean weight loss is a guaranteed fix, but for people whose heavy periods coincide with a higher BMI, even a moderate reduction in body fat can lower circulating estrogen enough to noticeably thin the lining and lighten flow over several cycles.
Iron: It Won’t Lighten Flow, but It Matters
Heavy periods don’t just lose blood. They drain iron. Women with heavy menstrual bleeding lose five to six times more iron per cycle than those with normal flow, and over months this depletes iron stores entirely. The result is fatigue, brain fog, poor exercise tolerance, and sometimes full anemia. Iron supplementation won’t reduce your bleeding volume, but it reverses those symptoms and can dramatically improve energy and quality of life while you work on addressing the bleeding itself.
One detail that often gets overlooked: even after starting an effective treatment like a hormonal IUD, it can take over a year for iron levels to fully recover on their own. Supplementing iron during that window speeds things up considerably.
Chasteberry as a Supplement Option
Chasteberry (Vitex agnus-castus) is an herbal supplement with some clinical backing. A large retrospective study of 1,700 women found that three months of chasteberry extract improved bleeding intensity in about 83% of participants. It appears to work by influencing hormone regulation, particularly in women whose heavy bleeding is tied to cycle irregularity or hormonal imbalance rather than a structural problem like fibroids. It’s not as potent as prescription options, but for people looking for a gentler first step, the evidence is more than anecdotal.
Endometrial Ablation for Lasting Results
If medications haven’t worked well enough or you want a more permanent solution and don’t plan future pregnancies, endometrial ablation is a minimally invasive procedure that destroys the uterine lining. It’s typically done in an outpatient setting and takes under 10 minutes. A review of 10 years of data found that 98% of patients had a successful reduction in bleeding by 12 months, and between 30% and 75% stopped having periods entirely. Recovery is usually a few days of cramping and light discharge.
The key limitation is that ablation is not a form of birth control and pregnancy after ablation is dangerous. It’s best suited for people who are done having children and want to avoid a hysterectomy.
Signs Your Heavy Bleeding Needs Evaluation
Some heavy bleeding patterns point to an underlying condition like fibroids, polyps, a clotting disorder, or a thyroid problem. The CDC flags these as reasons to get evaluated: soaking through one or more pads or tampons every hour for several consecutive hours, passing blood clots the size of a quarter or larger, periods lasting longer than seven days, or bleeding heavy enough to keep you from your normal activities. Persistent fatigue, shortness of breath, and looking pale are signs that blood loss has already affected your iron and red blood cell levels. Identifying the underlying cause often changes which treatment will actually work.