What is the recommended management for an otherwise healthy male with a left‑sided varicocele, based on his symptoms and fertility goals?

Varicocele Management

The decision to treat a left-sided varicocele depends entirely on whether the man has infertility concerns with abnormal semen parameters—if he does, treat it; if his semen analysis is normal or he has no fertility goals, do not treat it. 1

Clinical Decision Algorithm

Step 1: Determine if the Varicocele is Clinically Palpable

• Only treat clinical (palpable) varicoceles—subclinical varicoceles detected only on ultrasound should NOT be treated, even in infertile men 1
• Physical examination is the gold standard for diagnosis
• Routine scrotal ultrasound to investigate presumed varicocele is discouraged, as treatment of non-palpable varicoceles does not improve semen parameters or fertility rates 2

Step 2: Assess Fertility Status and Semen Parameters

For men seeking fertility:

• Obtain a semen analysis to determine if parameters are abnormal
• Do NOT treat if semen analysis is normal—this is a strong recommendation from the 2025 EAU guidelines 1
• Treat (varicocelectomy) if ALL of the following are present: 1
  • Clinical (palpable) varicocele
  • Abnormal semen parameters
  • Otherwise unexplained infertility
  • Female partner has good ovarian reserve

This combination improves fertility rates with strong evidence supporting intervention.

For men NOT seeking fertility:

• No treatment is indicated for asymptomatic varicocele, regardless of size
• Pain alone is not addressed in fertility-focused guidelines, but symptomatic varicoceles causing chronic scrotal pain may warrant consideration on a case-by-case basis

Step 3: Special Considerations

Adolescents:

• Surgery is indicated for varicocele associated with persistent testicular size discrepancy (>2 mL or 20% difference) confirmed on two visits 6 months apart 1

Elevated sperm DNA fragmentation:

• Varicocelectomy may be considered (weak recommendation) in men with elevated sperm DNA fragmentation, otherwise unexplained infertility, and recurrent pregnancy loss or ART failure 1

Azoospermia:

• The guidelines do not provide strong recommendations for varicocele repair in azoospermic men, though some evidence suggests potential benefit in select cases 3

Key Pitfalls to Avoid

1. Do not treat subclinical varicoceles—imaging-detected varicoceles without palpable findings on exam do not benefit from repair 1, 2

2. Do not treat varicocele in infertile men with normal semen analysis—this is futile and wastes resources 1

3. Assess female partner fertility—varicocele repair is most beneficial when the female partner has good ovarian reserve; if she has significant fertility issues, direct ART may be more appropriate 1

4. Avoid routine ultrasound for diagnosis—physical examination is sufficient and ultrasound-only findings should not drive treatment decisions 2

Evidence Quality

The 2025 EAU guidelines provide the most recent and highest-quality evidence with strong recommendations against treating subclinical varicoceles or those with normal semen analysis, and strong recommendations for treating clinical varicoceles with abnormal semen parameters in couples with unexplained infertility 1. These guidelines supersede older recommendations and reflect current best practice based on systematic reviews demonstrating improved fertility outcomes with appropriate patient selection.

The consensus across multiple international societies (EAU, AUA/ASRM) emphasizes that patient selection is critical—indiscriminate varicocele repair does not improve outcomes, but targeted intervention in the right population does 4, 5, 6.