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Las Vegas “False Spring” Alert: Why Your February Cold Might Actually Be Allergies

Medical professional examining a patient for ear and sinus pressure caused by Las Vegas spring allergies.

Is it a lingering winter bug, or has the desert started blooming early? With Las Vegas temperatures often hitting the 60s and 70s in February, many residents wake up with scratchy throats and heavy congestion. While it feels like a “false spring,” for your sinuses, it’s the real deal.

Why February is Different in Las Vegas

Unlike other parts of the country, Southern Nevada doesn’t wait for April to start sneezing. The unique Mojave climate means certain trees—specifically Mulberry, Ash, and Pine—begin releasing pollen as early as late January. When the wind picks up across the valley, these allergens can travel miles, hitting neighborhoods from Summerlin to Henderson.

Cold vs. Allergies: How to Tell the Difference

It’s easy to mistake early seasonal allergies for a common cold. At Sahara West Urgent Care, our medical team uses these three key indicators to tell them apart:

  1. The “Itch” Factor: If your eyes, nose, or throat feel “itchy,” it’s almost certainly allergies. Colds rarely cause itching.

  2. Mucus Color: Clear, watery mucus usually points to allergies. Thicker, yellow or green mucus often signals a viral infection or a cold.

  3. Duration: A cold usually clears up in 7-10 days. Allergy symptoms will persist as long as the trees are pollinating (which can last through April).

3 Tips to Survive the Las Vegas “Pollen Wave”

  • Keep Windows Closed: Even if the weather is beautiful, keep your home and car windows sealed on windy days to keep spores out.

  • The “Post-Hike” Shower: If you’ve been walking at Red Rock or a local park, shower and change clothes immediately when you get home. Pollen clings to hair and fabric.

  • Update Your Filters: Check your home AC filters now. Using a high-efficiency filter can significantly reduce the “desert itch” while you sleep.

Get Relief Today at Sahara West Urgent Care

You don’t have to suffer through the “False Spring.” If over-the-counter medications aren’t working, or if you aren’t sure if you’re dealing with a cold or allergies, we are here to help.

We offer professional Allergy Testing and Treatment and can provide faster relief than standard drugstore fixes.

Visit Our Las Vegas Clinic — Walk-ins are always welcome!

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