There are many reasons breasts can be painful. Breast pain by itself is unlikely to be a symptom of cancer.
Symptoms of breast pain caused by periods:
take paracetamol or ibuprofen, or rub painkilling gel on your breasts
wear a properly fitted bra during the day and a soft bra to sleep in
There's little evidence that vitamin E tablets or evening primrose oil help with breast pain.
Sometimes breast pain is caused by:
Hormone changes during the menopause can cause breast pain.
Once the menopause is over (you've had 12 months without a period), the pain should not return.