Cold or Flu?


The Flu vs. The Common Cold

What's the difference?
Why does that matter?

Many of us in the Houston area welcome the change in seasons. Once again, we can enjoy midday and early evening without air conditioning and excessive fluid intake. But the decrease in temperature brings an increase in respiratory illness.

Most of us have suffered from the common cold or the flu virus at one point. As similar as their symptoms might seem — fever, body aching, fatigue, cough —  they are caused by different viruses, and it can be difficult to tell the two apart. (In fact, the flu is caused by the influenza virus, but a common cold can be caused by more than 200 different viruses.)

Why is it important to know the difference?

Primarily because the flu is worse. The symptoms and complications set in faster (3–6 hours) and last longer (up to two or three weeks). Untreated, the flu can seriously affect your quality of life.

That said, the flu is also preventable through flu shots, and it can be treated if caught within the first day or two.

Check out our chart below. If you’re feeling a little sick, a little tired, or just unable to enjoy a cool fall evening with the family, it may be the flu — and HealthOne Emergency Care may be able to help you.

Cold Flu
Fever Uncommon Common
(often > 100F; can last 3–4 days)
Aches Varies
(Usually slight; sinus congestion will often cause headaches)
Common
Chills Uncommon Common
Fatigue Varies
(Usually mild, often at the end of the day)
Common
(Often prolonged; can  be extreme and last 2–3 weeks)
Coughing Common
(Hacking or phlegm; may help breathing or congested feeling to cough)
Common
(Dry; often does not cause any relief of symptoms)
Sneezing Common Uncommon
Congestion Common Uncommon
Sore Throat Common Uncommon
Chest Pain Common
(Mild to moderate)
Common
(Often severe)
Complications Sinus pain or earaches will result from congestion in the head. Other viral or bacterial infections will take advantage of the weakened immune system. This includes pneumonia.
Prevention Most common prevention includes diet high in antioxidants like vitamin C. No prevention is medically proven. Annual vaccinations have proven effective.
Treatment Treatment will only relieve symptoms temporarily. Antiviral drugs will help if given early after the onset of symptoms.


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