Locations
Dayton Physicians Network
Centerville, OH
My office hours
Friday: 9:00am - 5:00pm
Show moreInsurances accepted
Aetna Life Insurance Company
Anthem BC Life & Health Insurance Company
CareSource
Cigna
Medical Mutual of Ohio
WellPoint Health Networks Inc
United HealthCare Insurance Company
Assurant Inc
Dayton Physicians Network
Dayton, OH
About
Bio
A.B., Dartmouth College 1991 M.D., NYU School of Medicine, 1995 Internship: General Surgery, NYU/Bellevue, 1995-1996 Residency: General Surgery, Washington University (MO), 1996-1997 Urology, Washington University (MO), 1997-2001
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Urology
Licenses
United States: Ohio
Doctor Q&A
120 Answers
447 Agrees
The number of answers this doctor has agreed with.
A 32-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Spasm: After a stone is passed you can still experience the same symptoms for up to a week afterwards. This is due to swelling from the trauma of the stone ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 47-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
The truth: You need to tell her the truth and exactly how your acquired it, because she will need to be treated as well. She deserves to know even if you are af... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 48-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Not usually: Traumatic catheterization can cause hematuria (bloody urine), but this is not common.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 31-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Maybe something else: You should see some improvement with Flomax (tamsulosin) within several days, in most cases. If you are not seeing any improvement, there may be somet... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.8k viewsAnswered >2 years ago
A 53-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
More specific: More specific information is needed, lots of disease states can cause back and abdominal pain. Kidney stones, infection, muscle strain, colitis, etc.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Need evaluation: Avoid foods or drinks with caffeine or alcohol. You need to be evaluated to determine why the kidneys hurt. There may be an obstruction or infection... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 25-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Medication?: Some medications can cause retrograde ejaculation, which would result in little or no semen emission. The semen goes back into the bladder and is uri... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 18-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
See a urologist: Hematospermia is usually benign and goes away on its own. If it occurs again after the initial episode is done, which may take a few weeks, then you ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 27-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Cyst: It's most likely an epididymal cyst. Since its been there for 13+ years, the chances of it being cancer are very small. Check with your doctor for a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 22-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Testing needed: The answer depends on the cause. If it is a bladder issue, such as over active bladder, then medications might be useful. If it is a sphincter issue... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 44-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Cyst: It is most likely a sebaceous cyst but you should have your pcp or a urologist look at it to be sure.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Usually not: There should be no scrotal swelling after hernia repair. That may be a sign of infection or bleeding, or hydrocele. Check with your surgeon if this ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years ago
A 36-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Possibilities: Bladder infection, kidney stones, inguinal hernia, or stds can all cause the symptom you are mentioning. Get in to see your pcp.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 16-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Anxiety: More likely you have performance anxiety. Unless there is an actual physical issue, such as injury, the most likely issue is performance anxiety. At... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 33-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Need more info: More information is needed to provide any useful answer. There are many potentially embarrassing issues with erectile dysfunction...
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 19-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Normal: Foamy urine can be normal, or be caused by protein in the urine. If they tested it and told you it was fine, then you should just have it checked fro... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 18-year-old female asked:
Dr. Michael Yuanswered
Urology 28 years experience
Related...: Fix the constipation first and see if that helps. If not, then go see your doctor. You may need to be evaluated for various conditions depending on ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Common: Renal cortical cysts fall into 2 categories: simple and complex. A simple cyst usually requires no further treatment and are fairly common. They may... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Depends: Usually BPH is treated with medications first. These are alpha-blockers like flomax, or 5-aris like avodart (dutasteride). If unsuccessful, then a p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Depends: Any erectile dysfunction medication can be used. It depends on any other medications you may be on, so check with your physician.
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years agoMerged
A 43-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
No: A Foley catheter can cause urethral discomfort and bladder spasms. They usually resolve after the first several times you urinate.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Intake?: How much fluid are you taking in? It could also be an issue of not drinking enough fluid.
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 23-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Maybe: It may, depending on which medication.
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 39-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Um...no: No. It can result in priapism, or prolonged erection. If severe, it can require surgery to fix and can result in scarring of the corpora and impoten... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 58-year-old female asked:
Dr. Michael Yuanswered
Urology 28 years experience
Saw palmetto: Omega-3 most likely will not change the psa, but saw palmetto may be helpful. Some studies show improvement in urine flow due to usage of saw palmett... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsAnswered >2 years ago
A 46-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Cellulitis: If it is the scrotal skin that is red, warm and tender, it could be cellulitis, or a skin infection. Epididymitis or orchitis can also make the skin ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 32-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Needs eval: If it is a single infection, then probably no long term issues. If they are recurrent, then he/she should have a full evaluation, including cystogram... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 34-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Pain: You should be under anesthesia for ureteroscopy, so you shouldn't feel anything during the procedure. Afterwards, you will likely have a ureteral ste... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 30-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Bumps.: A lump on the scrotum is usually a sebaceous cyst, which can become red if infected. Also, if you shave, it could be an infected hair follicle. Chec... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Unusual: You will probably urinate fairly frequently if you are taking in 2-3 liters of water a day, but 15 times seems a bit excessive. You should check with... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 34-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Not necessarily...: Ct is the most sensitive test to look for kidney stones. Very small stones or stones outside the kidney (i.e., in the ureters or pelvis) can be misse... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 20-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
Circumcision: If the infection continues to come back, then eventually there will be scarring and phimosis, and will require circumcision. Also, the recurrent infe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.8k viewsAnswered >2 years ago
A 46-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Infection?: Enlargement of the prostate is usually thought of with bph, in older men, but can be seen (usually temporarily) with infection of inflammation of the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 53-year-old female asked:
Dr. Michael Yuanswered
Urology 28 years experience
2-8 weeks: The standard recovery for most abdominal laparoscopic surgery is about 2 weeks before you feel more or less normal. The usual for open abdominal surg... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 22-year-old female asked:
Dr. Michael Yuanswered
Urology 28 years experience
Normal: If you were diagnosed with pyelonephritis, the pain may last for several more days before completely resolving. Normally, you would likely be on anti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.5k viewsAnswered >2 years ago
A 18-year-old male asked:
Dr. Michael Yuanswered
Urology 28 years experience
UTI, stone: A stone, especially in the portion of the ureter that runs through the wall of the bladder, can cause the symptoms you're describing. It can also be ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.4k viewsReviewed >2 years ago
A 18-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Need to see doctor!: There are many reasons for blood in urine. Urinary tract infection and kidney stones are the most common but other potentially dangerous problems, li... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 29-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Lots of things: Many things can change the appearance of urine--hydration status, blood, protein, some medications. Odor can indicate infection. If you are concerne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years agoMerged
A 44-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Varicose veins: A varicocele is essentially varicose veins seen in the scrotum. It can affect fertility. If you're having fertility issues or pain, then consider se... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 18-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
VED: There is some evidence that the Soma (carisoprodol) erect stf vacuum erection device an be used to slowly correct the deformity over time. Check with... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsReviewed >2 years ago
A 34-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Many reasons: There are many causes of cloudy urine, including infection, protein, or mucus and blood. You need to see your doctor to check a urine sample to get m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
It varies: Depending on the procedure, incontinence is normal and usually lasts from a month or so, up to a year in most cases. By that point most men will have... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 49-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Propecia (finasteride): You can try propecia. It's a lower dose of the drug finasteride, originally marketed as Proscar for enlarged prostate, but has been shown to be benef... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 21-year-old female asked:
Dr. Michael Yuanswered
Urology 28 years experience
Reflux?: Have you been evaluated for vesicoureteral reflux? It is more common in girls and tends to run in families, and a common cause of urinary tract infec... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 49-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Maybe: You could have early signs of bph, or benign enlargement of the prostate. You should see your doctor or urologist for further evaluation.
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Phimosis: Phimosis can occur at any age but usually requires circumcision to correct.
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Phimosis: Phimosis can occur at any age but as it worsens the thickening of the skin and further scarring can occur. Sometimes it will remain stable but more o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsAnswered >2 years ago
A 43-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Gotta go...: The most common signs of bladder infection are frequency, urgency, dysuria, cloudy or foul smelling urine, and hematuria, or blood in the urine.
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 44-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Fluid: A hydrocele is entrapment of fluid within the tunics albuginea, the sac surrounding the testicle. In short, a fluid filled sac around one or both tes... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 30-year-old member asked:
Dr. Michael Yuanswered
Urology 28 years experience
Retention?: You could have urinary retention, which can be caused by many different problems. It could also be a bladder infection. As a female (i assume from y... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
3
Recommendations
274
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Yu is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Yu is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 26, 2012
very informative answers to my questions.
HealthTap member
Thank you, your answer was very helpful! thank you so much i will try to do your advise tnx
HealthTap member
Thanks for your quick reply! I passed a stone while urinating will it happen again
HealthTap member
Your answer was very helpful! Thanks :) thank. u for answering my question
Education & Training
Medical/Graduate school
New York University School of Medicine, NY
Graduated 1995MD
Residency
BARNES JEWISH HOSPITAL
Residency
NYU HOSPITALS CENTER
Residency
BARNES JEWISH HOSPITAL
Awards
Assistant Clinical Professor of Surgery, Wright State University Boonshoft School of Medicine
Most Influential, Third Place, Dayton Region, OH - Summer
2013
Top Urologist , Second Place, Ohio - Summer
2013
Affiliations
American Medical Association
Dayton Physicians Network
Society for Robotic Surgery
Publications
Laparoscopic nephrectomy and nephroureterectomy in the pediatric patient
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