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Winter Allergies vs Common Cold: How To Tell The Difference

February 10, 2025

Winter is a season filled with sniffles, sneezes, and stuffy noses. But how do you know if you’re dealing with allergies or just the common cold? Since both conditions share similar symptoms, it can be difficult to determine the cause of your discomfort. However, understanding key differences can help you get the right treatment and relief. In this blog, we’ll explore both winter allergies and the common cold so you know when to seek medical care.

For same-day seasonal care, visit the walk-in clinic at AFC Urgent Care Denver University Hills. Our experienced medical team is available 7 days a week to diagnose and treat your symptoms– both in-person and via telemedicine. Simply walk-in or plan your visit in advance by pre-registering below.

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Understanding the Common Cold

A common cold is caused by a viral infection that affects the upper respiratory tract. It spreads through airborne droplets and contaminated surfaces, making it highly contagious. Colds usually last for 7 to 10 days, with symptoms developing gradually. Since they are viral infections, antibiotics won’t help, but rest, fluids, and over-the-counter medications can ease symptoms.

Common cold symptoms include:

  • Runny or stuffy nose
  • Sneezing
  • Coughing
  • Sore throat
  • Mild body aches
  • Low-grade fever (sometimes)
  • Fatigue

Understanding Winter Allergies

Unlike colds, winter allergies are caused by an immune system overreaction to allergens like dust mites, pet dander, mold spores, and indoor pollen. These allergens tend to accumulate indoors during the winter months when windows stay shut and ventilation is limited. Allergy symptoms persist for weeks or even months as long as you are exposed to the allergen. They also tend to appear suddenly when you come into contact with triggers, rather than developing over time like a cold.

Winter allergy symptoms include:

  • Runny or stuffy nose
  • Sneezing
  • Itchy, watery eyes
  • Itchy throat or ears
  • Postnasal drip
  • No fever or body aches

Key Differences Between a Cold and Winter Allergies

One of the biggest differences between a common cold and winter allergies is their cause. Colds are triggered by a virus, while allergies result from an immune system reaction to allergens. Because of this, the onset of symptoms also differs– cold symptoms tend to develop gradually over a few days, while allergy symptoms can appear suddenly after exposure to a trigger. Another key distinction is the duration. A cold typically lasts 7 to 10 days before resolving, whereas allergies can persist for weeks or even months. By paying close attention to the nature and timing of your symptoms, you can better determine whether you’re dealing with a cold or allergies and take the right steps toward relief.

When To Seek Medical Attention

If cold symptoms last longer than 10 days, worsen over time, or include a high fever, it may indicate a secondary infection such as the flu or sinusitis. Similarly, if allergy symptoms persist despite treatment, a healthcare professional may help identify triggers and recommend stronger medications or treatments. To treat the common cold, be sure to rest and stay hydrated. Use over-the-counter medications like decongestants and pain relievers to alleviate symptoms.

Get Same-Day Symptom Relief at AFC Urgent Care Denver University Hills in Denver, CO

By understanding the differences between winter allergies and the common cold, you can take the right steps to find relief and stay healthy throughout the season. If you’re unsure about your symptoms, come visit the walk-in clinic at AFC Urgent Care Denver University Hills for a quick and accurate diagnosis! Our medical team is committed to providing the highest quality of care to all patients in the Denver, CO area. We can evaluate, diagnose, and treat your condition all on a walk-in basis. Most health insurance plans are accepted and cost-effective options are available for self-paying patients. If you have any additional questions about the services we provide, please call us directly at (303) 756-4500.

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