
- With Mayo Clinic endocrinologist
Todd B. Nippoldt, M.D.
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Todd B. Nippoldt, M.D.
Todd B. Nippoldt, M.D.
Dr. Todd Nippoldt is a board-certified specialist in internal medicine and endocrinology and metabolism. He has special expertise in the area of hormone disorders affecting the pituitary and adrenal glands as well as the testes and ovaries. He has been a member of the Mayo Clinic staff since 1988.
Dr. Nippoldt is a consultant in the Division of Endocrinology, Metabolism and Nutrition and works with patients who have disorders of the hormone-producing glands. Common disorders include diabetes, thyroid problems, osteoporosis and elevated cholesterol levels.
He also is involved in andrology, the study of male hormonal disorders, male infertility and sexual dysfunction and is an assistant professor of medicine at Mayo Clinic College of Medicine.
Dr. Nippoldt, a St. Paul, Minn., native, has also contributed to "Mayo Clinic Health Letter," a Mayo Clinic CD-ROM and the "Mayo Clinic Family Health Book." He is a fellow in the American College of Physicians and a member of the American Society of Reproductive Medicine, the American Society of Andrology, The Endocrine Society, The Pituitary Society and the American Association of Clinical Endocrinologists.
"I have found that those patients who have gone to the Internet and obtained accurate medical information come to their appointment with me very well informed, and the discussions regarding the evaluation and management of their condition are very productive and satisfying," he says.
"The key, however, is obtaining accurate medical information. As a medical editor for MayoClinic.com, I hope to be able to ensure that accurate, relevant and up-to-date information is available for patients and their families."
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Blood in semen: What are the causes?
What causes blood in semen?
Answer
from Todd B. Nippoldt, M.D.
Blood in ejaculated semen (hemospermia) is relatively uncommon and rarely serious. In most cases, the cause can't be determined, and the problem goes away without treatment. However, known causes of blood in semen include inflammation, infection, and blockage or injury to the prostate gland or seminal vesicles. Also, following a prostate biopsy, it is common to have blood-tinged semen for four or five subsequent ejaculations.
A doctor may be able to determine the cause of blood in semen based on:
- Physical examination
- Urine tests (urinalysis)
- Blood tests
Treatment is directed at the underlying cause when possible. If a man notices blood in his semen, he should consult his doctor.