Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Coughs and Colds
You have identified that your most bothersome symptom is coughing, wheezing, or breathing difficulty. These symptoms can be caused by a virus or by a serious illness. Let's check for specific symptoms that suggest you may have a serious illness. If your symptoms suggest you may have a serious illness, then it is important for your doctor to evaluate you.
Are you coughing up blood?
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