Quick read
Key points
- 1
Heavy periods (menorrhagia) involve losing a significant amount of blood during menstruation, sometimes affecting daily activities, or periods lasting longer than seven days. Causes can include hormonal imbalances, fibroids, polyps, certain contraceptive devices, or, occasionally, underlying conditions affecting blood clotting.
- 2
Recognise clinically significant menstrual bleeding, assess anaemia and investigate structural, endocrine or bleeding causes where indicated.
- 3
Periods are soaking through pads or tampons every hour or two
01 · Know
What is Heavy Periods?
Heavy periods (menorrhagia) involve losing a significant amount of blood during menstruation, sometimes affecting daily activities, or periods lasting longer than seven days. Causes can include hormonal imbalances, fibroids, polyps, certain contraceptive devices, or, occasionally, underlying conditions affecting blood clotting.
Heavy periods are common and treatable — options range from hormonal treatments and specific medications to reduce blood loss, to addressing any underlying cause found, such as fibroids, depending on individual circumstances and preferences.
02 · Understand
Clinical context
There's no need to simply live with heavy periods
Heavy periods are a legitimate medical concern with effective treatment options — they don't need to simply be endured, even if they've always been part of your normal pattern.
03 · Act
When to See a Doctor
- 1Periods are soaking through pads or tampons every hour or two
- 2You're passing large clots or periods last longer than seven days
- 3Heavy periods are affecting your daily activities or causing symptoms of anaemia, like fatigue
- 4You'd like to discuss treatment options
04 · Prevent & manage
Practical steps
Watch for Signs of Iron Deficiency Anaemia
Heavy periods can lead to iron deficiency anaemia over time — persistent fatigue, paleness, or breathlessness alongside heavy periods is worth mentioning to your doctor, who may check your iron levels.
- 1Track your periods and blood loss.This information helps your doctor assess the severity and guide treatment discussions.
- 2Discuss treatment options with a doctor.These include hormonal treatments, specific medications to reduce blood loss, or addressing any identified underlying cause.
- 3Consider iron supplementation if advised.This can help if heavy periods have led to iron deficiency.
- 4Seek investigation for any underlying cause.This may include an ultrasound to check for fibroids or polyps, particularly if periods have recently become heavier.
Evidence
References
BarnMD Health Intelligence uses authoritative and clinically relevant sources appropriate to the topic. References are shown so readers can inspect the evidence directly.
- NHS: Heavy periods ↗
Medical information notice
Health education, not individual medical advice
BarnMD Health Library provides general health education for public health literacy. Reading this article does not establish a doctor-patient relationship and this information is not a diagnosis, prescription, or personalised treatment plan. If you have symptoms or concerns about your health, seek appropriate advice from a qualified healthcare professional. If you develop emergency warning signs, seek urgent or emergency medical attention.
BarnMD Bottom Line
Heavy periods are common and treatable, with a range of effective options available depending on the cause and your preferences.
You don't need to simply live with heavy periods — effective treatment options exist and are worth discussing with a doctor.