SymptomsBy Mayo Clinic staff
Symptoms of a common cold usually appear about one to three days after exposure to a cold-causing virus. Signs and symptoms of a common cold may include:
- Runny or stuffy nose
- Itchy or sore throat
- Slight body aches or a mild headache
- Watery eyes
- Low-grade fever
- Mild fatigue
The discharge from your nose may become thicker and yellow or green in color as a common cold runs its course. What makes a cold different from other viral infections is that you generally won't have a high fever. You're also unlikely to experience significant fatigue from a common cold.
When to see a doctor
For adults — seek medical attention if you have:
- Fever of 103 F (39.4 C) or higher
- Fever accompanied by sweating, chills and a cough with colored phlegm
- Significantly swollen glands
- Severe sinus pain
For children — in general, children are sicker with a common cold than adults are and often develop complications, such as ear infections. Your child doesn't need to see the doctor for a routine common cold. But seek medical attention right away if your child has any of the following signs or symptoms:
- Fever of 100.4 F (38 C) in newborns up to 12 weeks
- Fever that rises repeatedly above 104 F (40 C) in a child of any age
- Signs of dehydration, such as urinating less often than usual
- Not drinking adequate fluids
- Fever that lasts more than 24 hours in a child younger than 2
- Fever that lasts more than three days in a child older than 2
- Vomiting or abdominal pain
- Unusual sleepiness
- Severe headache
- Stiff neck
- Difficulty breathing
- Persistent crying
- Ear pain
- Persistent cough
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