Flu, Cold or COVID? Symptoms & Testing in Frisco & Allen

Introduction:
It is the thought that all of us in North Texas hate. It could begin with a slight scratch in the back of your throat, or with a burst of fatigue, or even with a sneeze. This initial symptom of illness is then closely succeeded by the major one: is this a cold, or is the flu returning, or is it COVID-19? Decades ago, a high fever and aching body were sure signs of the flu. A cold nose and a slight cough were indications of a cold. However, now the boundaries have been crossed, and the symptoms have intersected to the extent that self-diagnosis can be likened to a game of chance. At PrimeCare360, Frisco and Allen, Patients enter the door not knowing what to do to secure their families, when a patient is going to work, or what he is sick of. The fact is that the viruses have also developed, and so should our attitude develop towards them. The guide will help deconstruct the typical warning signs of every disease, what has changed in 2025, and give a clear and simple answer to what to do next.
The Science of the Common Cold
We may begin with the commonest and the least dangerous of the three, the common cold. Colds are induced by a great variety of viruses; rhinoviruses are the most frequent. The most notable attribute of the common cold is its insidiousness. You will hardly ever feel quite yourself in the morning and all miserable in the afternoon. Rather, you may experience some kind of off the day after, and then you will have a scratchy throat, which will then turn into a full-blown runny nose and congestion in the next 24 to 48 hours.
Classic Cold Symptom Profile:
- Sore Throat.
- Fever.
- Body Aches.
The Evolving COVID-19 Symptom Profile:
- The Great Overlap: A runny nose, headache, fatigue, and sore throat are the most recent symptoms of COVID-19 that are most frequently reported. This renders it to appear like a common cold among most people.
- Flu-Like Symptoms: It may also induce fever, body aches, and a deep cough, thus making it similar to the flu.
- The Fading Hallmarks: That loss of taste or smell which is so characteristic of a new one, is now far less often met with in the new forms. Although it may still occur, it has lost its status as a trustworthy predictor.
- New Tell-Tale Signs: A differentially painful razor-blade or scratchy sore throat, the first symptom that patients complain of, is entirely new. More frequently reported are hoarseness and swollen neck glands
- GI Symptoms: Gastrointestinal conditions such as diarrhea, nausea, and vomiting may also be caused by COVID-19, but are rare with a cold or the flu (but the flu may at times cause this in children).
Even a milder form of COVID-19 can lead to the spread of the virus to a vulnerable person and the possibility of getting Long COVID. Similar to the flu, there are antiviral treatments that are most effective when used in the first days of illness.
The Issue: Reason Why Guessing is No Good
The difference cannot be accurately determined in 2025 solely based on symptoms. This is the new reality. This is a significant issue in public health in the state of Texas, where flu vs COVID-19 symptoms in Texas is the most commonly searched query every fall.
Guessing is not an excellent strategy because it has two important reasons:
- Risk of Spread: You can also unknowingly transmit a more severe virus, such as a cold, to your friends, family, and coworkers without realizing it, simply because you think you have a cold.
- Losing the Treatment Window: You missed out on the antiviral medicine, which is effective within 48-72 hours of symptoms onset, if you have the flu or COVID, and that could have significantly reduced your sickness. And when you waste those two initial days in guessing or waiting it out, you have lost your opportunity for the most profitable treatment.
The Only Solution: Get Tested, Get Answers
You can only be sure of what you are fighting by being tested. In this regard, an urgent care center for respiratory illnesses will be of the greatest benefit to you. Although at-home antigen tests are a good initial test, they have lower sensitivity, particularly during the initial stages of an infection, and can result in false-negative results.
At PrimeCare360, you have no doubt that you're in the right place.
- Clinical-Grade Accuracy: Our molecular (NAAT/PCR) test is highly sensitive and accurate, considered the gold standard in diagnostics. You can trust the result.
- Multiplex Testing (The One-Swab Solution): We can typically test you with one swab to check for all three viruses— flu A, flu B, and COVID-19 — simultaneously. You will not discover what you do not have; you will discover precisely what you have.
- A Good Treatment Plan: If you have a positive test for the flu or COVID-19, our providers can instantly prescribe the appropriate antiviral medication, provided you are eligible. A negative on the two gives you the confidence that you are probably having a cold and that you only need to rest.
You don't need to worry about it all day long; just a few minutes later, you can find the answer. Welcome to PrimeCare360. If you are in the Allen or Frisco area and require a COVID-19 test, visit us, walk-ins are always welcome.

