Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Coughs and Colds
Please review the common symptoms of influenza ("flu"). The first four symptoms are the most important ones to identify influenza:
cough
muscle aches
fever
headache
sore throat
runny nose.
You have already told us that your most bothersome symptom is a cough or breathing symptom. In addition, are you having muscle aches, fever, or headache?
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