Fever
- Fever is rare with a cold.
- Fever is usually present with the flu in up to 80% of all flu cases. A temperature of 100°F or higher for 3 to 4 days is associated with the H1N1 flu.
- A hacking, productive (mucus- producing) cough is often present with a cold.
- A non-productive (non-mucus producing) cough is usually present with the H1N1 flu (sometimes referred to as dry cough).
- Slight body aches and pains can be part of a cold.
- Severe aches and pains are common with the H1N1 flu.
- Stuffy nose is commonly present with a cold and typically resolves spontaneously within a week.
- Stuffy nose is not commonly present with the H1N1 flu.
- Chills are uncommon with a cold.
- 60% of people who have the H1N1 flu experience chills.
- Tiredness is fairly mild with a cold.
- Tiredness is moderate to severe with the H1N1 flu.
- Sneezing is commonly present with a cold.
- Sneezing is not common with the H1N1 flu.
- Cold symptoms tend to develop over a few days
- The H1N1 flu has a rapid onset within 3-6 hours. The flu hits hard and includes sudden symptoms like high fever, aches and pains.
- A headache is fairly uncommon with a cold.
- A headache is very common with the H1N1 flu, present in 80% of flu cases.
- Sore throat is commonly present with a cold.
- Sore throat is not commonly present with the H1N1 flu.
- Chest discomfort is mild to moderate with a cold.
- Chest discomfort is often severe with the H1N1 flu
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