I am a circumcised male who took daily tadalafil (Cialis) 5 mg for two weeks, then a 10 mg dose, and the same night took 60 mg sildenafil (Viagra) chew, after which I experienced a prolonged erection with persistent firmness, glans discoloration, numbness, and a dull ache; one month later these symptoms persist. What is the expected healing timeline?

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Prolonged Penile Firmness After PDE5 Inhibitor Combination

Your symptoms represent a prolonged non-ischemic priapism or post-priapism vascular injury that typically requires 3-6 months for complete resolution, with the 4-month timeline your urologists provided being a reasonable expectation based on the severity and duration of your initial event.

Understanding Your Condition

You experienced a drug-induced prolonged erection after combining tadalafil (15mg total that day on top of daily dosing) with sildenafil 60mg—a dangerous combination that is explicitly contraindicated. The FDA labeling for Cialis specifically warns against combining PDE5 inhibitors 1. This combination created an excessive vasodilatory effect that led to prolonged engorgement and subsequent tissue injury.

What Happened to Your Penis

The persistent firmness, discoloration, and altered sensation you're experiencing represent:

  • Vascular injury: The prolonged engorgement damaged the delicate blood vessels and smooth muscle tissue in your penis
  • Tissue edema and inflammation: The 48+ hour period of abnormal blood flow caused swelling and inflammatory changes
  • Smooth muscle dysfunction: The erectile tissue's ability to properly relax and contract has been temporarily impaired
  • Nerve irritation: The numbness and altered sensation indicate temporary nerve dysfunction from the prolonged pressure and inflammation

The color changes (gray discoloration, purple-red appearance, darker glans) reflect vascular congestion and healing tissue. The prominent veins indicate altered blood flow patterns as your body attempts to compensate.

Expected Healing Timeline

Month 1 (Current Status)

  • Persistent firmness in flaccid state ("hard flaccid")
  • Difficulty achieving full erections
  • Discoloration and numbness
  • Positional semi-erections
  • Dull aching pain

Months 2-3

  • Gradual reduction in baseline firmness
  • Improved but still abnormal erectile function
  • Decreasing discoloration
  • Partial return of normal sensation
  • Resolution of pain

Months 4-6

  • Near-complete or complete resolution of firmness
  • Return to baseline erectile function (though some men experience residual dysfunction)
  • Normal coloration
  • Normal sensation
  • No pain

The 4-month estimate your urologists provided falls within the typical 3-6 month recovery window for this type of injury 2. However, understand that this is an average—some men recover faster, while others take longer.

Critical Factors Affecting Your Recovery

Positive Prognostic Signs

  • You can still achieve erections (even if difficult)
  • The initial extreme firmness has decreased somewhat
  • Pain is only dull, not severe
  • You're only one month out

Concerning Features Requiring Monitoring

  • Persistent difficulty with erections may indicate smooth muscle damage
  • Numbness suggests ongoing nerve dysfunction
  • Positional erections indicate abnormal vascular regulation

What You Must Do Now

Immediate Actions

  1. Absolutely no PDE5 inhibitors (sildenafil, tadalafil, vardenafil, avanafil) for at least 6 months or until fully healed
  2. Avoid sexual activity that causes prolonged erections until symptoms substantially improve
  3. Continue urologist follow-up at 6-8 week intervals to monitor for complications

Warning Signs Requiring Urgent Evaluation

  • Return of sustained painful erection lasting >4 hours (true priapism recurrence) 3, 2
  • Sudden worsening of firmness or pain
  • Development of penile curvature or deformity
  • Complete inability to achieve any erection
  • Spreading discoloration or signs of infection

Long-Term Considerations

Potential Permanent Effects

While most men recover fully, you face risks of:

  • Erectile dysfunction: Smooth muscle damage from prolonged ischemia can be permanent, particularly given the extended duration of your initial event 2
  • Peyronie's disease: Scar tissue formation causing curvature
  • Persistent vascular abnormalities: Ongoing issues with blood flow regulation

Future PDE5 Inhibitor Use

Never combine PDE5 inhibitors again—this is explicitly contraindicated and nearly caused you permanent injury 1. If you eventually need ED treatment after full recovery:

  • Use only one PDE5 inhibitor at the lowest effective dose
  • Start with sildenafil 25mg or tadalafil 5mg
  • Never exceed recommended dosing
  • Inform all providers about this incident

Why This Happened

The combination of daily tadalafil (which remains in your system for >2 days 1) plus additional tadalafil plus high-dose sildenafil created a synergistic effect that overwhelmed your body's normal detumescence mechanisms. This is a documented cause of refractory priapism 4. Even single doses of tadalafil 5mg have caused priapism requiring surgical intervention 5.

Bottom Line

Your 4-month healing timeline is medically sound and based on typical recovery patterns for post-priapism vascular injury. However, complete resolution may take up to 6 months, and some residual dysfunction is possible. The key is patience, avoiding all PDE5 inhibitors, and close urologic monitoring. Your symptoms at one month—while distressing—are consistent with expected healing trajectory rather than indicating permanent damage, though the ultimate outcome won't be clear until 4-6 months post-injury.

References

2
Guideline

acute ischemic priapism: an aua/smsna guideline.

The Journal of urology, 2021

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