Article / IIEF-5 Index Calculator – International Index of Erectile Function

IIEF-5 Index Calculator – International Index of Erectile Function

IIEF-5 Index Calculator – International Index of Erectile Function

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August 29th, 2026 2 Min Read

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Clinical Erectile Function Assessment

Worried About Erectile Function? Take the 5-Minute Test

The gold-standard clinical screening tool for erectile dysfunction. Answer 5 straightforward questions about erection hardness and confidence. Get your confidential score and personalized recommendations.

⚕️ Clinically Validated 🔒 Confidential 📋 5 Questions

Answer each question based on your experience over the past 4 weeks. Select the option that best describes your situation.

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Complete the questionnaire to see your score

Validated clinical screening tool

Understanding Your IIEF-5 Score

The IIEF-5 (International Index of Erectile Function) is the most widely used clinical tool for assessing erectile dysfunction severity.

📊 Score Categories

  • Normal: 22–25
  • Mild ED: 17–21
  • Moderate ED: 12–16
  • Severe ED: 5–11

🔬 Clinical Validation

  • Sensitivity: 97%
  • Specificity: 88%
  • Gold Standard: Used in clinical trials worldwide
  • Validated: Across multiple populations

📋 What It Assesses

  • Question 1: Erection confidence
  • Question 2: Erection hardness
  • Question 3: Maintenance ability
  • Question 4: Maintenance frequency
  • Question 5: Overall satisfaction

IIEF-5 Score Interpretation Table

Detailed interpretation of each score range with clinical recommendations.

Score Range Classification Clinical Significance Recommended Action
22–25 Normal No evidence of erectile dysfunction Maintain healthy lifestyle
17–21 Mild ED Mild difficulty with erections Consider lifestyle changes, consult if bothersome
12–16 Moderate ED Significant erectile difficulty Clinical evaluation strongly recommended
5–11 Severe ED Severe or complete erectile dysfunction Immediate clinical evaluation and treatment

Clinical Note: The IIEF-5 is a screening tool, not a diagnostic test. A low score should be followed by a comprehensive medical evaluation including laboratory testing and physical examination.

Effective ED Treatment Options

Erectile dysfunction is highly treatable. Modern medicine offers several effective options tailored to your specific needs.

💊 Oral Medications

  • Sildenafil (Viagra®)
  • Tadalafil (Cialis®)
  • Vardenafil (Levitra®)
  • Avanafil (Stendra®)
First-line therapy

🧪 Injectable & Topical

  • Alprostadil injections
  • Trimix injections
  • Alprostadil urethral suppository
  • Topical creams
Second-line therapy

🔬 Advanced Therapies

  • Shockwave therapy
  • P-Shot® (PRP therapy)
  • Penile implants
  • Hormone optimization
Specialized care

⚕️ Important: Treatment selection depends on the underlying cause, severity, and individual health factors. Always consult a qualified healthcare provider for personalized recommendations.

Medical Disclaimer: This IIEF-5 calculator is for educational and informational purposes only. It does not provide a medical diagnosis. A low score on this screening tool should be followed by a comprehensive medical evaluation. Always consult your physician or a qualified healthcare provider for proper diagnosis and treatment of erectile dysfunction. Your responses are confidential and not stored.

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