Most parts of the country get a break from allergens in winter. DFW doesn’t.

North Texas has one of the longest and most layered allergy calendars in the U.S., with different pollen sources hitting back-to-back throughout the year:

• Mountain cedar dominates January and February — the source of the infamous “cedar fever,” which mimics cold symptoms so closely that many people assume they’re sick
• Oak and elm take over in spring (March through May)
• Grass pollen peaks from May through August
• Ragweed closes out the year from September through October

With mild winters that rarely deliver a true frost, DFW residents are exposed to airborne allergens nearly year-round. That’s why it can feel like you’re always catching something — because your immune system is constantly reacting to something. The confusion between allergies or a cold is practically built into life in North Texas.

The most reliable way to tell the two apart is to understand what each one looks like at its core.

A cold is caused by a virus — most often a rhinovirus — that your body is actively fighting off. It has a beginning, a peak, and an end.

Seasonal allergies are your immune system’s response to airborne particles like pollen. There’s no infection, no virus, and no “getting over it” until the allergen exposure stops.

• Itchy, watery eyes — one of the clearest signs. Colds rarely cause this.
• Sneezing in bursts or fits, often triggered by stepping outside or entering a new environment
• Clear, thin, watery nasal discharge that doesn’t thicken over time
• No fever — allergies essentially never cause a fever. If you have one, it’s almost certainly not allergies.
• Symptoms lasting more than 10 days with no sign of improving
• A recognizable pattern — same symptoms, same time of year, every year

• Sore throat is often the first symptom, appearing before nasal symptoms do
• Low-grade fever or body aches — classic signs of a viral infection
• Mucus that thickens and changes color (yellow or green) after the first day or two
• Symptoms that resolve within 7 to 10 days
• No eye itching — if your eyes feel completely normal, lean toward cold

Runny nose. Nasal congestion. Fatigue. Headache. These four symptoms can appear in both conditions — and they’re the ones that send people to search engines late at night.

Here’s a quick way to think through it:

• Ask when it started. Did symptoms come on gradually over a day or two? Probably a cold. Did you feel fine, then symptoms appeared after going outside or visiting a specific location? More likely allergies.
• Look at your mucus. Clear and watery all week? Points to allergies. Started clear but turned yellow or green? Cold — possibly moving toward a sinus infection.
• Check for eye symptoms. Itchy, red, or watery eyes alongside nasal symptoms almost always indicate an allergic reaction, not a virus.
• Count the days. A cold follows a predictable arc — most people feel worst around days 3 to 4 and improve from there. Allergies don’t follow that arc. If it’s day 12 and nothing has changed, don’t keep waiting.

Over-the-counter antihistamines and decongestants can manage mild symptoms — but there are times when you should get evaluated by a provider:

• Your symptoms have lasted more than 10 days without improvement
• You have a fever above 101°F — this rules out allergies and may indicate a sinus infection, strep throat, or flu
• You’re experiencing difficulty breathing or wheezing — untreated allergies can trigger asthma-like symptoms
• OTC medications aren’t providing relief, or you’re unsure which ones to try
• You’ve never been tested and want to know exactly what you’re allergic to
• Symptoms are significantly affecting your sleep, work, or daily life

If any of these apply, waiting it out isn’t the right move.

Not sure what you have? CityDoc Urgent Care is here to help — no appointment needed. Walk in at any of our DFW locations or save your spot online at citydoc.net before you arrive.

CityDoc Urgent Care — founded by ER physicians and built for the DFW community — treats allergy-related symptoms at all four of our convenient Dallas-Fort Worth locations.

When you come in, our team can:

• Evaluate your symptoms and determine whether you’re dealing with allergies, a cold, or a secondary condition like a sinus infection
• Provide allergy testing to identify your specific triggers
• Prescribe appropriate treatment, including prescription-strength antihistamines, corticosteroid nasal sprays, or steroid injections for acute flare-ups
• Identify and treat sinus infections, which can develop as a complication of prolonged allergy symptoms

Our four DFW locations:

• Uptown Dallas
• Preston/Royal
• Inwood Village
• Fort Worth

All four locations are open seven days a week with extended hours. No appointment is ever required, but if you’d like to check in online and wait from home, our online check-in makes it easy.

Convenient care is our normal® — walk in today or check in online at citydoc.net.