Flu vs. Cold: Symptoms, Diagnosis, and Home Testing

Distinguishing between the flu and a common cold is essential for proper care, as the flu typically presents with a sudden onset of high fever, chills, muscle aches, and extreme fatigue. In contrast, a cold usually develops gradually, starting with a sore throat, runny nose, or cough.

Home antigen tests can serve as a diagnostic tool to confirm a flu infection, especially during autumn and winter. To ensure accuracy, users should follow specific instructions for collecting biological samples via nasal or throat swabs and wait the required time for results.

Medical attention is recommended if a fever exceeds 39°C, if shortness of breath occurs, or if a fever returns after an initial period of improvement. While antibiotics are ineffective against the flu because it is viral, antiviral medications may be beneficial if administered within the first 48 hours, particularly for high-risk groups. Vaccination remains the most effective preventative measure.