Identify signs and symptoms of illness.
swelling
fast heart rate
pain
cramping
high blood pressure
dizziness
fatigue
nausea
vomiting
diarrhea
fever
coughing
sneezing
shortness of breath
chest pain
headache
rash
sore throat
loss of appetite
muscle weakness
difficulty sleeping
abdominal discomfort
joint stiffness or pain
changes in vision or hearing
unexplained weight loss or gain.