Locations
Urology of Central PA
Harrisburg, PA
About
Bio
Urologist practicing for 34 years with interest in all areas of urology except pediatric urology. Special interest in kidney stones, interstitial cystitis, impotence, urologic cancers, incontinence, Botox bladder treatments.
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
Languages spoken
English
Doctor Q&A
127 Answers
28 Agrees
The number of answers this doctor has agreed with.
A 42-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Abnormal cystometry: I assume by abnormal cystometry you mean a bladder test that measures your bladder capacity, emptying , and whether your bladder is poorly contractile... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years ago
A 25-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Usually not self cur: Venous leak issues generally are manifested by a poorly maintained erection because of premature outflow of blood from the corporal bodies through emi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsAnswered >2 years ago
A 23-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
See a urologist: Several reasons can cause that . Is it on the scrotal wall outside or inside the scrotum on the testicle? Need to see a urologist to get examined.
Created for people with ongoing healthcare needs but benefits everyone.
8 viewsAnswered >2 years ago
A 46-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Below are some diffe: BPH
Slow stream, hesitant stream, nocturia , maybe urgent urination, intermittent stream
OAB
Urgency, frequency, urge incontimence
PROSTATITIS
Burning... Read More
Created for people with ongoing healthcare needs but benefits everyone.
261 viewsReviewed >2 years ago
A 53-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Retractile testicle: Sounds like a retractile testicle which is a benign condition due to hyperactive testis cord muscle pulling up the testicle. If you have pain however ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
1.7k viewsAnswered >2 years ago
A 41-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Blood test : See your primary care provider to get an 8 AM testosterone
Created for people with ongoing healthcare needs but benefits everyone.
3 viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Impotence in 32 year: There are several different causes of impotence such as smoking, certain illnesses like diabetes, low testosterone, or blood flow problems to and from... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years ago
A 18-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
See a dermatologist: You actually have a skin condition so would recommend you see a dermatologist.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 37-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Ignore: One way to increase testosterone without testosterone replacement is to lose weight if overweight.
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 28-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Probably not a uti: Generally kidney infections give pain most of the time and have other urinary symptoms such as burning, frequency, etc and also may have fever. Howeve... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 26-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
See a urologist: Oab is diagnosed by history, urinalysis, and urodynamic testing done by a urologist. There are several treatments for this condition to include oral m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Maybe need tests: I would suggest getting a direct urethral swab for chlamydia and ureaplasma first and if negative then would suggest a cystoscopy ( direct visualizat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Could be yeast: This could be anything from a yeast infection to mulliscum to penile pearly plaques I would recommend you see a dermatologist
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 22-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Yes in some instance: Are you talking about low volume as in total cc of ejaculate or low numbers of sperm? The normal ejaculate is 1-5 cc and if very low can effect fertil... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 19-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Evaluate for Peyroni: If the curvature is with erection you might have Peyronie's disease see a urologist for diagnosis and treatment if indicated
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 16-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
UsuAlly bends: The 2 main symptoms of Peyronies is curvature on erection and penile pain on erection. Usually there is a bend but might only be slight and barely not... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Maybe Peyronie's : Curvature of the penis might be from peyronie's disease and recommend seeing a urologist.
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 47-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Varies : Sex after a hydrocele can be resumed after the swelling and pain subside which could be 2-4 weeks.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 16-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
See urologist: This could be an epididymitis ( infection) which is treated with antibiotics or just testalgia which isn't an infection and even sometimes a hernia wi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
See a urologist: Usually pain on ejaculation is caused by inflammation in prostate or seminal vesicals and usually is treated with antibiotics and anti inflammatory ag... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.4k viewsAnswered >2 years ago
A 41-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Need evaluation: Do you have culture proven UTI or just symptoms similar to UTl? Either way you need to have upper tract evaluation with CT and cystoscopy. Need to see... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.1k viewsAnswered >2 years ago
A 30-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Need imaging: Have you had a urinalysis and culture? If it showed infection make sure you were on the right antibiotic . If you have been treated and still have sym... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.7k viewsReviewed >2 years ago
A 58-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Peyronies: What you describe is comparable with Peyronie's disease a benign condition of the penis caused by fibrosis in the lining of the erectile bodies of the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsAnswered >2 years ago
A 35-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Get checked by urolo: If you are under 40 and it is painless need evaluated by a urologist as could be testis cancer. If there is pain and swelling may be infection like or... Read More
Created for people with ongoing healthcare needs but benefits everyone.
104 viewsReviewed >2 years ago
A female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Need culture : you need a urine culture to see if white cells are from an infection. If culture is ok then need to be evaluated by a urologist because there are othe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.5k viewsReviewed >2 years ago
A 21-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Sounds like muscle: The pain you are describing sounds muscular in nature and there are muscle fibers called cremasteric muscles that originate from abdomal muscles aroun... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 23-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Several poss causes: Post void dribbling in a female can sometimes merely be related routine being retained in your vagina after voiding then will run out afterward giving... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.9k viewsAnswered >2 years ago
A 18-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Probably need circ: If you cannot retract it at all and have symptoms like recurrent infections of the foreskin or head of your penis or you have post void dribbling urin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.9k viewsAnswered >2 years ago
A 53-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Contact dermatitis: most likely is a contact dermatitis from the foliage. Could try hydrocortisone cream locally but recommend you see a dermatologist
Created for people with ongoing healthcare needs but benefits everyone.
2.8k viewsReviewed >2 years ago
A 18-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Need ultrasound: A lump on your testicle in your age should be evaluated with an ultrasound
Created for people with ongoing healthcare needs but benefits everyone.
709 viewsReviewed >2 years ago
A 32-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Need eval: A swollen foreskin can be from several causes other than bacterial infection. Could be allergic reaction to local irritant. Also if you are not circum... Read More
Created for people with ongoing healthcare needs but benefits everyone.
1.8k viewsReviewed >2 years ago
A 72-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
100 mg: 100 mg is the maximum recommended dose. If it is no longer effective other issues might be present that need evaluated and alternative treatments coul... Read More
Created for people with ongoing healthcare needs but benefits everyone.
709 viewsReviewed >2 years ago
A 21-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Urethral infected : You might have an inflammation of the urethra called a urethritis . I recommend you see a urologist for evaluation and may need antibiotics.
Created for people with ongoing healthcare needs but benefits everyone.
2k viewsAnswered >2 years ago
A female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Evaluate and treat: i would treat the bactiuria as per the sensitivities but check his upper tracts for obstruction or stones . If he has persistent or recurrent uti then... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.5k viewsReviewed >2 years ago
A 37-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Get urinalysis : There can be other causes for frequency and burning other than a UTI. I would first start with a urinalysis and go from there.
Created for people with ongoing healthcare needs but benefits everyone.
8 viewsReviewed >2 years ago
A 19-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Can be varied teadon: Is it itchy? Common cause of scrotal rash if itchy is a non specific dermatitis or yeast . Can try hydrocortisone cream and if that doesn’t help try a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
104 viewsAnswered >2 years ago
A 35-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Normal healing: Sounds like just post op healing probably from post op bleeding into soft tissues that is now resorbing.
Created for people with ongoing healthcare needs but benefits everyone.
5 viewsReviewed >2 years ago
A 24-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
None available : If you have a penile urethral discharge you might have a urethral infection (STD) which requires urinalysis , culture, and urethral culture. If you ha... Read More
Created for people with ongoing healthcare needs but benefits everyone.
8 viewsAnswered >2 years ago
A 38-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
See urologist: See urologist may need antifungal med and if that doesn’t help discuss circumcision with the urologist
Created for people with ongoing healthcare needs but benefits everyone.
4 viewsAnswered >2 years ago
A 19-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
If it is a lymphocele or just edema (swelling) from masturbation it will resolve on its own. You can try cold compresses . If it persists see a urolog... Read More
Created for people with ongoing healthcare needs but benefits everyone.
Reviewed Mar 26, 2023
A 40-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Hemospermia: You have hemospermia which is caused by inflammation in prostate and seminal vesicals. Generally antibiotics will help but the problem can be recurren... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 16-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Yes it does: Testicular torsion results from twisting of the spermatic cord to the testicle resulting in cutting off the blood supply to the tedticle. This result... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 29-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Medical rx : Given the scenario I would first get a prostate biopsy to rule out prostate cancer given his PSA is elevated . If that is negative I would favor medic... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 16-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Blood vessels contra: Usually during cold weather blood vessels contract decreasing blood fllow to penis. Also cremasteric muscle contract causing the scrotum to draw up
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 16-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Varicocele: Sounds like you have a varicicele which are varicose veins of the spermatic cord. They can cause pain sometimes if large and in some men can cause inf... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 27-year-old female asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Needs bladder check: He should see a urologist for urinalysis and also check his bladder to be sure it is emptying. But symptoms like he is describing could also be muscul... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 37-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Try another med: Oxybutinin is one of the oldest anticholinergic med which is relatively non selective . I would recommend you try some of the newer meds that are more... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 50-year-old member asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Post operative?: Did you have surgery? If so may take several months . They don't resolve spontaneously without surgery.
Created for people with ongoing healthcare needs but benefits everyone.
2.6k viewsAnswered >2 years ago
A 21-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
More tests first: I would suggest getting FSH, LH, and Prolactin blood tests first to try to elucidate reason for low T to see what the best treatment would be for you.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 31-year-old male asked:
Dr. Emerson Knightanswered
Urology 50 years experience
Start radiation : With stage that you have the cancer has escaped the prostate and landed into s pelvic lymph node. I would recommend starting pelvic irradiation now as... Read More
Created for people with ongoing healthcare needs but benefits everyone.
104 viewsAnswered >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.
2
Recommendations
161
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Knight Jr is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Knight Jr is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This made me feel good. Thanks! i appreciate the comments. i did go to my pcdoctor and he said to have an ultrasound on the kidneys which I am going to do
HealthTap member
I already took doxycycline for. My. Epididymitis for 3 weeks. Could it be prostitius? Std/urine test all. Came back negative
HealthTap member
Thank you, your answer was very helpful! Thank you. cystoscopy found 7mm stone in bladder. Passed. Now no pain.
Education & Training
Medical/Graduate school
West Virginia University School of Medicine, WV
Graduated 1973MD
Residency
WEST VIRGINIA UNIVERSITY HOSPITALS
Completed 1978
Awards
Top Urologist , First Place, Pennsylvania - Summer
2014
Thought Leader, Third Place, Harrisburg Region - Spring
2015
Top Doctor, Second Place, Harrisburg Region - Spring
2015
Affiliations
American Urologic Association
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