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Congestion From a Cold vs. Allergies: How To Tell The Difference

March 27, 2025

Congestion from a cold and allergies can feel strikingly similar, making it difficult to determine the root cause of your stuffy nose and sinus pressure. However, understanding the key differences between these two conditions can help you manage symptoms effectively. Viruses cause colds and often come with additional symptoms like fever and body aches. On the other hand, allergies result from an immune response to allergens such as pollen, dust, or pet dander. By examining the duration, triggers, and accompanying symptoms of your congestion, you can better identify whether you're dealing with a temporary viral infection or a recurring allergic reaction.

For same-day seasonal allergy treatment, visit the walk-in clinic at AFC Urgent Care Livingston. Our medical team is dedicated to providing exceptional seasonal care for all patients in the Livingston, NJ area and surrounding communities. Simply walk into the clinic today!

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Can Allergies Be Mistaken for a Cold?

Yes, allergies can often be mistaken for a cold because they share symptoms like congestion, sneezing, and a runny nose. However, key differences can help you distinguish between the two. Viruses cause colds and usually develop gradually, often accompanied by symptoms like fever, sore throat, and body aches. In contrast, allergies are triggered by an immune system reaction to allergens like pollen, pet dander, or dust and tend to cause itching in the eyes, nose, or throat. Additionally, while colds usually resolve within 7–10 days, allergy symptoms can persist for weeks or even months as long as exposure to the allergen continues.

How Do You Tell If Sneezing is a Cold or Allergies

Sneezing is a common symptom of both colds and allergies, but certain clues can help you determine the cause.

Signs Sneezing Is From a Cold

  • Develops gradually over a few days
  • Accompanied by a sore throat, cough, and possibly a mild fever
  • The mucus is thick and may turn yellow or green.
  • Symptoms last about 7–10 days

Signs Sneezing Is From Allergies

  • Occurs suddenly and frequently, especially in certain environments (e.g., outdoors during pollen season or around pets)
  • Often accompanied by itchy eyes, nose, or throat
  • The mucus remains clear and watery
  • Symptoms persist as long as exposure to allergens continues (days to months)

If your sneezing is seasonal or triggered by specific factors like dust or pet dander, allergies are the likely cause. However, if it's accompanied by fatigue, body aches, or fever, you're probably dealing with a cold.

When to Visit Urgent Care

While mild congestion, sneezing, and a runny nose can usually be managed at home, there are times when a visit to urgent care is necessary. Additionally, if over-the-counter allergy medications aren't providing relief or you experience signs of an asthma flare-up, seeking medical attention can help you get the right treatment. Knowing when to seek professional care ensures you get the relief you need and prevent complications.

Get Walk-In Seasonal Care at AFC Urgent Care Livingston

If you’re struggling to manage congestion due to a cold or from seasonal allergies, urgent care can provide a professional diagnosis and treatment options. A healthcare provider can evaluate your symptoms, prescribe medications, and offer advice on managing symptoms effectively. If you’re dealing with congestion, come visit the walk-in clinic at AFC Urgent Care Livingston. Our providers are here to help minimize your discomfort so you can enjoy the season. We’re open seven days a week and operate on a walk-in basis. We accept most health insurance plans and offer low-cost options for self-paying patients. If you have any additional questions about congestion treatment, or other services we provide, please contact our team directly at (973) 601-2626.

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