Common Cold vs. Flu: How to Tell the Difference and When to See a Doctor
Sniffles, sneezing, sore throat… is it just a cold, or something more serious like the flu? These two illnesses are often confused because they share many symptoms — but knowing the difference can help you recover faster and avoid complications.
Symptoms: Cold vs. Flu
| Symptom | Common Cold | Flu |
| Onset | Gradual | Sudden |
| Fever | Rare | Common, high |
| Body aches | Mild | Often severe |
| Fatigue | Mild | Can be extreme |
| Sneezing & congestion | Common | Sometimes |
| Cough | Mild to moderate | Dry and persistent |
When to see a doctor:
- You have a fever over 38.5°C (101.3°F) for more than 3 days
- Difficulty breathing or chest pain
- Symptoms last more than 10 days
- You’re pregnant, a senior, or have a chronic illness
Reminder: If in doubt, it’s always safer to check with a healthcare professional — especially during flu season!