Browse categories and answer follow-up questions to refine your symptom profile.
Immediate priorities
Initial stabilization and triage
Airway patency and aspiration risk
Active vomiting with altered mental status
Ongoing hematemesis
Breathing and oxygenation
SpO2 target 92% or higher
Respiratory fatigue from severe metabolic acidosis
Circulation and perfusion
Shock index concern
Capillary refill delay
Point-of-care glucose
Hypoglycemia risk with poor intake
Hyperglycemia as alternative diagnosis
Risk stratification
High-risk features
Hemodynamic instability
SBP under 90 mmHg adult
Age-adjusted hypotension pediatric
Severe dehydration
Lethargy or altered mental status
Anuria or minimal urine output
Invasive bacterial diarrhea concern
Bloody diarrhea
Severe abdominal pain
Severe systemic illness
Sepsis criteria
Immunocompromised state
Infection control
Isolation and precautions
Contact precautions for suspected infectious diarrhea
Norovirus outbreak setting
Diapered or incontinent patients
Soap-and-water hand hygiene triggers
Suspected norovirus
Suspected Clostridioides difficile
Initial resuscitation
Fluid and symptom control pathway
Oral rehydration trial if stable
Small frequent sips
Early antiemetic to enable ORS
IV fluids if unable to tolerate PO or shock
Isotonic crystalloid bolus strategy
Reassessment after each bolus
Early diagnostic decision points
Testing thresholds
No routine labs for mild self-limited illness
Short duration
No red flags
Escalate testing for severe or high-risk illness
Significant dehydration
Blood in stool
Consultation triggers
Escalation and specialty involvement
Surgery trigger
Peritoneal signs
Concern for appendicitis or obstruction
ICU trigger
Persistent shock after fluids
Severe acidosis with end-organ dysfunction
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.