This page summarises publicly available NHS information for educational purposes only. It is not medical advice or a diagnosis. Always consult a qualified healthcare professional.
What is heavy periods?
Heavy periods (menorrhagia) mean losing more blood than usual during your period — enough to affect daily life, soak through pads or tampons quickly, or cause anaemia. Many things can cause heavy periods including fibroids, endometriosis, hormonal changes, or the contraceptive coil. Treatment options range from medications to the hormonal coil to minor surgery.
When NHS resources suggest seeing a GP
- You soak through a pad or tampon every hour for several hours in a row.
- You pass large blood clots (bigger than a 50p coin).
- You need to use double protection (pad and tampon).
- Your period lasts longer than 7 days.
- Heavy bleeding is affecting your work, sleep, or daily life.
- You feel tired, breathless, or pale — signs of anaemia from blood loss.
Self-care information from NHS
- Take paracetamol and/or ibuprofen — ibuprofen can actually reduce bleeding as well as pain.
- Eat iron-rich foods (red meat, leafy greens, fortified cereals) to prevent anaemia.
- Consider iron supplements if blood tests show low iron — discuss with a GP.
- Try a hot water bottle for cramps.
- Track periods in an app or diary to show your GP the pattern.
- Discuss contraceptive options with a GP — the hormonal coil (Mirena) often dramatically reduces heavy bleeding.
Common questions
What counts as a heavy period?
Heavy is defined as soaking a pad or tampon every 1 to 2 hours for several hours in a row, passing large clots, bleeding for more than 7 days, or having periods that interfere with daily life. Any bleeding that feels unusual for you is worth discussing.
What causes heavy periods?
Common causes include fibroids, polyps, endometriosis, hormonal imbalances (including around menopause), thyroid problems, and certain contraceptives. Sometimes no cause is found. A GP may arrange blood tests and an ultrasound.
How are heavy periods treated?
Options include tranexamic acid or ibuprofen during periods, the hormonal coil (Mirena), combined pill, or other hormonal treatments. Surgery (endometrial ablation or hysterectomy) may be considered if medications don't help.
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This page is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional about your individual situation. NorMed organises publicly available NHS information and is not affiliated with the NHS.