Causes
When pregnant or nursing, nipple discharge is a common aspect of breast function. It could also be linked to fibrocystic alterations and changes in menstrual hormones. After breast-feeding, the milky discharge often affects both breasts and can last for up to two or three years.
A papilloma is a benign (noncancerous) growth that may cause bloody discharge. The discharge connected to a papilloma frequently happens spontaneously and only involves one duct. Your doctor will likely advise a diagnostic mammography and a breast ultrasound to determine what is causing the bloody discharge, even if it may go away on its own.
You could also require a biopsy to rule out malignancy or to establish if it's a papilloma. Your doctor will recommend you to a surgeon to talk about your treatment options if the biopsy results show that you have a papilloma.
Nipple discharge frequently results from a benign ailment. Breast cancer is nonetheless a risk, particularly if:
A breast lump has appeared.
One breast alone is impacted
The discharge is clear or contains blood.
The discharge is constant and uninhibited.
Only one duct is affected by the discharge.
Possible causes of nipple discharge include:
Abscess
Birth control pills
Breast cancer
Breast infection
Ductal carcinoma in situ (DCIS)
Endocrine disorders
Excessive breast stimulation
Fibrocystic breasts (lumpy or rope-like breast tissue)
Galactorrhea
Injury or trauma to the breast
Intraductal papilloma (a benign, wartlike growth in a milk duct)
Mammary duct ectasia
Medication use
Menstrual cycle hormone changes
Paget's disease of the breast
Periductal mastitis
Pregnancy and breast-feeding
Prolactinoma
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