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David L. Griffin, MD | Urology Clinics of North Texas
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When Should Men Worry About Prostate Cancer?

Current guidelines recommend that men between the age of 55 and 69 be screened annually with a PSA (blood test) and rectal exam. Some men at increased risk for prostate cancer should be screened earlier, such as men with family history of prostate cancer or African American men. It is important that patients discuss prostate cancer and if screening is appropriate for them with their healthcare providers. To learn more about these screenings and how our practice can help, visit

How Do I Prevent Kidney Stones?

Kidney stones are most commonly due to a lack of hydration. The kidneys are filters that remove minerals and waste products from your blood. If your urine becomes too concentrated, these waste products can form crystals or stones. Unfortunately, there are individuals who may be genetically predisposed toward making kidney stones. But for most people, staying hydrated will do a lot to prevent stone formation. If you are unfortunate enough to have a kidney stone, the most common symptom is severe back/side pain and can be associated with nausea or vomiting. There are different treatment options for kidney stones depending on the characteristics of the stone, but you would need to see a urologist to discuss how best to move forward.

When Should I Consider A Vasectomy?

A vasectomy is a permanent, outpatient procedure for male contraception. If you feel that you do not want children in the future, a vasectomy may be the right choice for you. The procedure takes around 10-15 minutes. We use numbing medication to ensure it’s not too painful. You’re awake, and you walk out of the clinic quickly afterwards. You will need to rest for 2-3 days at home and avoid strenuous activity for 1-2 weeks before resuming normal activity. It’s significantly easier for a man to get a vasectomy than a woman to undergo a similar procedure.

How Common Are Urinary Difficulties For Men?

About 50% of men have some form of urinary issues by the time they are 50 due to an enlarging prostate. That percentage only increases as men age. Most common complaints include weak stream, waking up several times a night to use the bathroom, needing to go more frequently, and feeling like your bladder isn’t emptying when you do go. When those conditions become bothersome, you should see a urologist. There are medications, minimally invasive treatments, and even surgical options depending on your symptoms. If you are experiencing these issues, you should see a urologist to discuss what can be done.

What About Women With Incontinence?

This is a common issue in women as they age, especially those who have had children. Women may leak if they cough, laugh, sneeze, or with physical exertion like running or jumping. Or she has to go to the bathroom and can’t quite make it before she leaks. This condition is treatable and can improve a person’s quality of life, so see a urologist to discuss what options may be available.

About The Expert

David L. Griffin, MD Urology Clinics of North Texas
David L. Griffin, MD
Urology Clinics of North Texas

David L. Griffin MD is a board certified urologist specializing in urinary tract conditions and reproductive system diseases. He completed his general surgery internship at the National Naval Medical Center. He then attended the Naval Medical Center for urologic training and served 12 years before transitioning to the Navy Reserves. Dr. Griffin attended the University of Louisville Medical School.

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