loss of consciousness*, blurry vision, nausea, memory
loss, dizziness, lethargy, agitation, vomiting, fatigue,
*It is possible to have a concussion without
loss of consciousness.
|Check with a doctor before return to play
with any concussion or if any of these symptoms
develop after a head injury.
||Other symptoms depend on cause of fever.
||Any fever ≥101°F for >4 hours. Playing with
a fever may increase the risk of heat illness.
|Skin infection (impetigo, herpes, ringworm, measles)
||Rashes that are raised, open, draining or with a discharge; have
small blisters; or are cracked and bleeding
||These types of rashes should be checked and treated before
returning to sports, particularly for athletes in contact or
|Abdominal (stomach) pain
||Pain, nausea, vomiting, diarrhea, constipation, appetite loss,
decreased fluid intake
If symptoms persist,
they should be checked. Liver and spleen can be
enlarged with mono or other flu-like illnesses. This
is most important for athletes in contact or
increase the risk of dehydration, which can
negatively affect performance and increase the risk
of heat-related illness.
|Cardiac (heart) disease (myocarditis, pericarditis,
endocarditis, cardiac contusion, dysrhythmia)
||Chest pain, shortness of breath, palpitations, feeling
light-headed or passing out with exercise
||See a doctor if any of these symptoms develop.
|Respiratory (breathing) disease (asthma, bronchitis, pneumonia),
laryngeal contusion/fracture, pneumothorax (collapsed lung),
||Shortness of breath, cough, wheezing, chest pain, stridor (noisy
breathing), absent breath sounds
||See a doctor if any of these symptoms
|Heat injury (heat exhaustion, heat stroke)
||Exhaustion, muscle cramps, nausea, vomiting, headache; consider
heat stroke if body temperature increases