What symptoms would indicate that a person has the flu rather than cold?

While the flu and common cold share some symptoms, here are the key symptoms that would indicate a person has the flu rather than cold:

1. Sudden Onset: The flu often has a sudden onset of symptoms, often within a few hours. A person might feel fine one moment and then experience abrupt symptoms. Conversely, cold symptoms tend to develop more gradually.

2. Body Aches and Muscle Pains: The flu is known to cause widespread muscle aches, often described as soreness or "feeling broken." These muscle pains are often more intense than those associated with the common cold.

3. Chills and Sweats: Flu symptoms can include chills and alternating periods of sweating. Cold sweats, in particular, are more characteristic of the flu than cold.

4. High Fever: The flu typically causes a high fever, often above 102°F (38.9°C). A high fever is less common with a simple cold.

5. Fatigue and Exhaustion: People with the flu often experience severe fatigue and exhaustion, making it difficult to carry out daily activities. Cold symptoms may cause tiredness, but it is usually not as severe.

6. Respiratory Symptoms: Both flu and cold can cause respiratory symptoms, but they can vary in severity. The flu may cause cough, sore throat, and shortness of breath, while cold symptoms may include mild cough and congestion.

7. Loss of Appetite: People with the flu may experience a loss of appetite or a decreased desire to eat. Loss of appetite is less common with a cold.

8. Headache: Flu symptoms can include a headache, often described as intense and persistent. Cold symptoms may also cause a headache, but it is usually milder and less severe.

9. Duration of Symptoms: Flu symptoms tend to last longer than cold symptoms. The flu typically lasts for about a week or longer, while colds usually resolve within a few days to a week.

It is important to note that not all individuals experience all of these symptoms. It's also worth mentioning that some flu strains might have unique or variations in symptoms. Consult with a healthcare provider if you suspect you have the flu, especially if symptoms are severe or if you belong to a high-risk group.