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Should I put foleys in a patient with yelloish discharge out of his penis

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urethral catheterization urethritis contraindication infection

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No - do not insert a Foley catheter in this patient. Here is the full clinical reasoning:

Yellowish Penile Discharge + Foley Catheter = Bad Idea

What the yellow discharge tells you

Yellowish (purulent) discharge from the penis is the hallmark of urethritis - an active infection/inflammation of the urethra. The most common causes are:
OrganismNotes
Neisseria gonorrhoeaeProfuse yellow-green discharge, classic
Chlamydia trachomatisCan also cause discharge but often more watery
Mycoplasma genitaliumIncreasingly recognized cause of NGU
A Gram stain of the discharge looking for gram-negative intracellular diplococci is the first bedside step.

Why Foley catheterization is contraindicated here

  1. Seeding infection proximally - Passing a catheter through an infected urethra can introduce organisms into the bladder, causing ascending infection (cystitis, pyelonephritis, epididymitis, bacteremia/sepsis).
  2. Mucosal trauma on inflamed tissue - The urethral mucosa is already inflamed and friable. Catheter passage traumatizes it further, risks creating false passages, and worsens pain.
  3. Urethral integrity concern - As stated in Roberts and Hedges' Clinical Procedures in Emergency Medicine: "uncertainty about urethral integrity is a contraindication to blind urethral catheterization." Active infection raises this concern.
  4. No catheter indication in urethritis - Unless the patient has urinary retention (he cannot void at all), there is no indication for catheterization. Discharge alone does not require drainage.

What you SHOULD do instead

Per Harrison's Principles of Internal Medicine, 22e:
  1. Confirm urethritis - Check for urethral discharge or pyuria
  2. Gram stain the discharge - Look for gram-negative diplococci (98% sensitive for gonorrhea)
  3. Send NAATs - First-catch urine (first 10-15 mL; patient should not have voided for 2 hours prior) for N. gonorrhoeae and C. trachomatis
  4. Treat empirically while awaiting results:
    • Cover gonorrhea: Ceftriaxone 500 mg IM (1 g IM if patient weighs ≥150 kg)
    • Cover chlamydia: Doxycycline 100 mg PO BID x 7 days
  5. Treat sexual partners from the past 60 days
  6. Evaluate for complications - Exclude epididymitis, disseminated gonococcal infection (DGI), reactive arthritis

The one exception

If this patient ALSO has acute urinary retention (cannot void at all, painful distended bladder), you may need urologic consultation and possibly a suprapubic catheter rather than a urethral Foley, to avoid instrumentation through the infected urethra.
Bottom line: Treat this as urethritis (most likely gonorrhea/chlamydia), collect samples, give empiric antibiotics, and avoid urethral instrumentation unless there is a separate, compelling indication like true retention.
  • Harrison's Principles of Internal Medicine, 22e - Urethritis in Men section
  • Roberts and Hedges' Clinical Procedures in Emergency Medicine - Urethral Catheterization section
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