Reviewed By:
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
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Content updated on Jan 4, 2023
Lactation is the secretion and yielding of milk through the mammary glands, which are located in the breasts.
Seek professional care if you experience any of the following symptoms
Breast milk outside pregnancy or as a man
Excessively high prolactin (hormone that releases milk) levels in the blood. Causes include medications and brain tumors.
A condition caused by abnormally high levels of growth hormone in the blood. It is usually caused by benign (non-cancerous) tumors in the brain.
Pituitary adenoma is a non-cancerous growth from the pituitary gland (a small, hormone producing gland in the brain). These are usually slow-growing and don't initially cause symptoms. However, they can grow large enough to press on nearby structures, causing symptoms.
Your doctor may ask these questions to check for this symptom
Are you producing breast milk inappropriately (even though you have not been pregnant or given birth, or are a man)?
Other Related Symptoms
Reviewed By:
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
Just 3 minutes.
Developed by doctors.
Ubie is supervised by 50+ medical experts worldwide
Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan