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Flu, Cold, or Covid? How to Know What You’re Actually Dealing With

Updated: 5 days ago

When winter arrives, so do seasonal illnesses — and it gets confusing to understand what’s actually making you sick. Flu, common cold, and Covid often share similar symptoms, but each requires different care and attention. At Immediate Care Plus, we help you identify your symptoms quickly so you can get the right treatment at the right time.



1. Understanding the Difference


Common Cold

A cold usually starts slowly and stays mild.Typical symptoms include:

  • Runny or stuffy nose

  • Mild cough

  • Sneezing

  • Sore throat

Colds rarely cause high fever or severe fatigue.


Flu (Influenza)

The flu hits suddenly and feels more intense.Common symptoms:

  • High fever

  • Strong body aches

  • Extreme tiredness

  • Headache

  • Dry cough

Flu symptoms are stronger than cold symptoms and often last longer.


Covid-19

Covid can look like both a cold and flu, which makes testing important.Symptoms may include:

  • Fever or chills

  • Dry cough

  • Loss of taste or smell (in many cases)

  • Shortness of breath

  • Fatigue

  • Sore throat

Covid symptoms vary from mild to severe, especially in older adults or those with health issues.


Flu, Cold, or Covid


2. When to Visit Immediate Care Plus

You should walk in — no appointment needed — if you have:

  • Fever lasting more than 2 days

  • Trouble breathing

  • Persistent cough

  • Severe body aches

  • Sudden fatigue

  • Symptoms that are getting worse instead of better

Early care helps you recover faster and prevents complications.


3. Why Testing Matters - Flu, Cold, or Covid

Because flu, cold, and Covid symptoms overlap, testing is the only way to confirm what you’re dealing with. Immediate Care Plus offers:

  • Rapid Flu Tests

  • Rapid Covid Tests

  • Strep Tests

  • Full medical evaluation

Results are quick, and our providers guide you through the right treatment.


4. How to Protect Yourself This Season

  • Wash hands frequently

  • Stay hydrated

  • Wear a mask if you're sick

  • Stay home when feeling unwell

  • Consider preventive care like vaccinations


Flu, Cold, or Covid


5. Fast, Reliable Walk-In Care Near You

Whether it’s flu, cold, or Covid — you don’t need to wait days for a doctor’s appointment. Immediate Care Plus in East Dundee and Palatine, IL is open with same-day walk-ins, quick testing, and personalized treatment for all winter illnesses.




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