Browse categories and answer follow-up questions to refine your symptom profile.
Immediate priorities
Triage and stabilization
Sepsis physiology
Fever
Tachycardia
Hypotension
Severe pain physiology
Diaphoresis
Vomiting
If hemodynamic instability, initiate sepsis pathway
Isotonic crystalloid 30 mL/kg for hypotension or lactate >= 4 mmol/L
Broad-spectrum antibiotics within 1 hour for septic shock
If suspected testicular torsion, immediate urology consult without delay for labs
Time-dependent ischemic risk
Ultrasound only if it does not delay definitive care
Red-flag pattern recognition
Time-critical exclusions
Testicular torsion exclusion
Sudden onset severe unilateral scrotal pain
High-riding testis
Fournier gangrene exclusion
Perineal pain out of proportion
Crepitus
Incarcerated hernia exclusion
Irreducible inguinal mass
Obstructive symptoms
Key concepts
Working diagnosis framework
Epididymitis definition
Inflammation of epididymis with or without orchitis
Infectious etiologies predominate
Age-stratified pathogen likelihood
Sexually transmitted pathogens
Enteric gram-negative pathogens
Immediate harms
Missed torsion
Untreated sepsis
Abscess or pyocele
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.