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Is It Spring Allergies or a Late-Season Cold? How to Tell the Difference

When Spring arrives, many of us begin to experience new symptoms, including sneezing, congestion, and a scratchy throat. But if you’re feeling under the weather, it can be hard to tell whether you’re dealing with seasonal allergies or a lingering cold. While both conditions can cause similar symptoms, the causes and treatments are very different. Knowing how to distinguish between the two can help you recover faster and avoid unnecessary medications.

For same-day seasonal allergy treatment, visit the walk-in clinic at AFC Urgent Care Union City. Our team of experienced medical providers can examine your symptoms and create a management plan. Walk in or schedule your visit below!

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What Causes Spring Allergies?

Spring allergies (also called seasonal allergic rhinitis or hay fever) are triggered by airborne allergens such as tree pollen, grass pollen, and mold spores. When you breathe in these allergens, your immune system overreacts and releases histamine, which causes inflammation in your nasal passages and eyes.


Common allergy symptoms include:

  • Sneezing
  • Runny nose (typically clear and watery)
  • Nasal congestion
  • Itchy eyes, nose, or throat
  • Watery or red eyes
  • Post-nasal drip

Allergy symptoms often begin suddenly when pollen counts rise and may persist for weeks as long as allergens remain present.

What Causes a Late-Season Cold?

A cold is caused by a virus that infects your upper respiratory tract. Unlike allergies, colds are contagious and typically develop after exposure to someone who is sick.

Common cold symptoms include:

  • Nasal congestion
  • Runny nose (may become thicker or yellowish)
  • Sore throat
  • Mild cough
  • Fatigue
  • Low-grade fever, occasionally 
  • Body aches

Colds usually develop gradually and improve within 7 to 10 days.

Key Differences Between Allergies and a Cold

Although symptoms overlap, a few differences can help you tell them apart:

1. Fever

  • Allergies do not cause a fever
  • A cold may cause a low-grade fever

2. Itching

  • Allergies cause itchy eyes, nose, and throat
  • Itching is uncommon with a cold

3. Symptom Duration

  • Allergies last as long as exposure continues, sometimes weeks or months
  • A cold typically resolves within 1 to 2 weeks

4. Body Aches & Fatigue

  • Mild fatigue is possible with allergies, but body aches are rare
  • Body aches and general “sick” feeling is more common with a cold

5. Mucus Color

  • Allergies can cause a clear and watery mucus
  • Colds may start with clear mucus that becomes thicker and yellow or green as the illness progresses

If congestion lasts longer than 10 days and is accompanied by fever, facial pressure, headache, or thick nasal discharge, you may be dealing with something else, like a sinus infection. Similarly, if symptoms worsen instead of improve after several days, medical evaluation may be needed.

When To Visit Urgent Care

Consider seeking urgent care if you experience:

  • Symptoms lasting more than 10 days
  • High fever
  • Severe sinus pressure
  • Persistent cough
  • Difficulty breathing
  • Worsening symptoms instead of improvement

An urgent care provider can evaluate your symptoms, determine whether you’re dealing with allergies, a viral infection, or a sinus issue, and recommend appropriate treatment.

Get Same-Day Seasonal Symptom Relief at AFC Urgent Care Union City

Spring congestion doesn’t always mean you’ve caught a cold. Allergies and late-season colds share similar symptoms, but differences in fever, itching, duration, and body aches can help you tell them apart. If you’re unsure what’s causing your symptoms, or if they’re not improving, prompt evaluation can help you get the right treatment and feel better faster. Whether it’s pollen in the air or a lingering virus, the right care makes all the difference. At AFC Urgent Care Union City, we’re here to help you feel better. Whether you need fast relief from symptoms or want to explore allergy management options, walk in today for convenient care! If you have any additional questions about allergy treatment, or other urgent care services we provide, please call us at (551) 257-1948.

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