Green · One explainable tired day
- A clear short-lived cause
- No medical red flags and function rebounds
Use ordinary recovery and recheck within 48 hours.
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Fatigue, breathlessness, reduced training tolerance, or slow recovery persists without a clear short-lived explanation.
Recognize
The situation
Fatigue, breathlessness, reduced training tolerance, or slow recovery persists without a clear short-lived explanation.
May be routine
Needs attention
Respond
Opening script
“I have noticed your effort and recovery look different across several days. There are many possible causes, and I am not going to guess that it is iron. I want your parent and the athletic trainer or physician to help evaluate the pattern.”
Actions for today
Do not do this
Act
Green · One explainable tired day
Use ordinary recovery and recheck within 48 hours.
Yellow · Persistent or recurrent fatigue
Involve the parent or guardian and athletic trainer; a physician decides whether evaluation or testing is indicated.
Red · Acute cardiopulmonary or neurologic sign
Stop participation, stay with the athlete, activate the school's emergency action plan, and contact the parent or guardian through the approved process.
Implement
Recognize persistent fatigue early without turning coaches into laboratory screeners.
Parent or guardian
Fatigue is persistent, recurrent, or affecting daily life.
Athletic trainer or physician
They assess causes and decide whether testing is appropriate.
Sports RDN
A clinician or household requests food-first nutrition support.
Follow up and refer
Recheck within 24 to 48 hours; do not let a worsening pattern wait several weeks.
This guide is general education for school sport operations. Follow current school policy, the venue-specific emergency action plan, safeguarding requirements, and written instructions from qualified health professionals.