Most sore throats are viral and get better on their own. Strep is the exception, because it is bacterial, it is treatable, and leaving it untreated carries risks that a normal sore throat does not.
Arlington ER offers rapid strep testing around the clock, with results in minutes. Walk in at any hour, including the middle of the night when nothing else is open.
A sore throat that came on suddenly, fever, painful swallowing, and swollen glands in the neck, usually without a cough. The absence of a cough is one of the more telling features.
Strep tends to arrive abruptly. People often remember the hour it started, which is unusual for a viral sore throat that creeps up over a day or two alongside other cold symptoms.
Children often present differently from adults. A child with strep may complain of a stomach ache and be sick rather than mention their throat at all, which sends families looking in entirely the wrong direction.
Only a test can tell you for certain, but the pattern below shifts the odds considerably. Roughly one adult sore throat in ten turns out to be strep, so the odds start against it.
| Points toward strep | Points toward a virus |
|---|---|
| Came on suddenly, within hours | Built up gradually over a day or two |
| No cough at all | Cough, often the main complaint |
| Fever above 101 degrees | Mild or no fever |
| White patches on the tonsils | Red throat without patches |
| Tender swollen neck glands | Runny nose, sneezing, watery eyes |
| Aged five to fifteen, or living with someone who has it | Hoarse voice or laryngitis |
The cough row does most of the work. Strep is an infection of the throat itself rather than the airways, so a prominent cough argues strongly against it. If you have a cough, a runny nose and a hoarse voice, you almost certainly have a virus, and testing is usually unnecessary.
This distinction matters beyond curiosity. Antibiotic treatment does nothing for a viral sore throat, and taking it anyway carries real downsides for you and contributes to resistance more broadly. Testing rather than guessing is what keeps treatment aimed at the people who benefit from it.
With a swab of the back of the throat, tested on site. The result comes back in minutes, which is the whole reason this is worth walking in for rather than waiting for an appointment.
The swab itself is quick and briefly unpleasant. It touches the back of the throat and both tonsils, and it makes most people gag for a second. It is over in under ten seconds and needs no preparation.
A positive result is trusted immediately and treatment begins there and then.
A negative result is where Arlington ER differs from most places you could walk into. Many clinics still use an older antigen test, which misses a share of real cases, so a negative in a child or teenager has to be sent away for a throat culture and the family waits a day or two for the real answer. Arlington ER uses a molecular test, the Abbott ID NOW Strep A 2, which detects the bacteria’s genetic material rather than its surface proteins. Negative results come back in about six minutes and positives often in two.
Because the test is molecular, a negative result does not need a backup culture. You leave knowing it is not strep, on the same visit, at any hour. If it is not strep, your physician moves on to finding what is causing the sore throat rather than sending you home to wait.
Most untreated strep resolves on its own within a week. The reason it is still treated is a small group of complications that are serious enough to be worth preventing, and this is the honest answer to why a sore throat gets antibiotic treatment at all.
Rheumatic fever is the main one. Weeks after the throat infection has gone, the immune response can turn on the body’s own tissue and damage the heart valves permanently. It is uncommon in the United States now, and the reason it is uncommon is precisely that strep gets treated. It has not disappeared, it is being suppressed.
Kidney inflammation can also follow strep, appearing one to two weeks later as swelling, reduced urine, or dark urine. Unlike heart damage, this usually recovers.
An abscess beside the tonsil is the complication that brings people back to an ER. Pus collects next to the tonsil and pushes it toward the midline, causing severe one-sided pain, a muffled voice, and real difficulty opening the mouth. It needs draining, not just treatment.
Treatment also shortens how long you are contagious. Someone with untreated strep can pass it on for two to three weeks; after twenty-four hours of treatment they generally cannot. In a household with school-age children, that alone often decides the visit.
Check that the airway is safe, test for strep, treat the pain properly, and look for the complications that turn an ordinary sore throat into something that needs more than a prescription.
Drooling, a muffled voice or trouble breathing change everything, and are looked for before anything else.
A throat swab run on our molecular system, the Abbott ID NOW Strep A 2. Results in minutes, and a negative does not need a backup culture.
One-sided swelling, a tonsil pushed toward the middle, or trouble opening the mouth all point to a collection of pus.
Being able to swallow again matters. It is what lets you stay hydrated and get through the next few days.
A throat too painful to drink through leads to dehydration quickly, particularly in children. IV fluids solve it.
Treatment if the test is positive, when you stop being contagious, and the signs that mean coming back.
When the throat starts to threaten the airway. A sore throat is rarely an emergency, but the handful of exceptions are serious enough that they are worth recognizing on sight.
Drooling or being unable to swallow saliva is the clearest warning. It means swallowing has become too painful or too obstructed to manage even spit, and it suggests significant swelling. Call 911 for this rather than driving.
Difficulty breathing, or noisy breathing alongside a sore throat is a 911 call. So is sitting upright and leaning forward with the neck extended, which is the position people adopt instinctively when the airway is narrowing.
A muffled or hot-potato voice, severe one-sided pain, or being unable to open the mouth fully all suggest an abscess. That needs the same-day attention of an ER because it usually requires draining.
Severe neck swelling or stiffness, particularly with fever, can mean infection spreading into the deeper spaces of the neck. This is uncommon but does not wait.
For a straightforward sore throat with fever and painful swallowing but none of the above, we are here at any hour and the test takes minutes. In daylight hours, an urgent care clinic or your own physician can also test for strep and will cost you less. We would rather say that plainly than have you feel steered.
Molecular strep testing on site around the clock, with no backup culture needed and no waiting until Monday.
Treatment follows a positive result. Guessing means treating viral throats that gain nothing from it.
Our pediatric team does this constantly. It is over in seconds and handled without a fight.
The complication most often missed elsewhere and sent home with a prescription that cannot reach it.
A strep visit is billed as an emergency visit plus the rapid test, and this is the page where we should be most direct about whether you should be here at all.
A sore throat is not usually an emergency. If it is a weekday morning, your own physician or an urgent care clinic can also test for strep and it will cost you considerably less than an ER visit. That is the honest answer and we would rather give it than take a visit you did not need.
What an ER genuinely offers is time and capability. We are open at two in the morning, on Sunday, and on Thanksgiving, when nothing else is. We can also handle the sore throat that turns out to be an abscess needing drainage, or the child who cannot drink and needs fluids, neither of which a clinic can finish.
Whole families are worth mentioning. Strep spreads through households fast, and when several people are seen together each person is a separate visit and a separate bill. Ask at the desk before everyone is registered, because there may be a more sensible way to approach it.
The federal No Surprises Act protects patients from surprise bills for emergency care. Our Financial Support and Care Relief Program can substantially reduce out-of-pocket costs for those who qualify, and our Billing Disclosure page sets out the detail.
For billing questions: 817-973-7406 or info@arlingtoner.com
Arlington ER serves Arlington, Texas from 1607 S. Bowen Rd., on the west side of Bowen just south of Pioneer Parkway. Parking is directly outside the entrance, which helps when you are bringing a miserable child in at midnight.
We are minutes from central Arlington and the Parks Mall, and a short drive from Dalworthington Gardens, Kennedale, Grand Prairie, and Mansfield. From I-20, exit at Bowen Road and head north. From Highway 303 or Pioneer Parkway, turn south onto Bowen and we are on your right. Our Contact Us page has anything else you need.
Call 911 instead of driving if there is drooling, difficulty breathing, or an inability to swallow saliva. For everything else, walk in at any hour with no appointment needed.
A rapid strep test takes minutes and settles the question either way. Twenty-four hours of treatment also stops you being contagious, which matters when there are children in the house. Open 24/7, no appointment needed.
Two to three weeks if untreated, but generally no longer contagious after a full twenty-four hours of treatment. That single fact is often the strongest reason to get tested rather than wait it out.
After twenty-four hours of treatment and once the fever has gone without needing anything to keep it down. Most schools apply exactly this rule, and going back earlier tends to restart the cycle in the classroom.
Yes, though it is less common. Fever makes strep more likely but its absence does not exclude it, which is exactly why the swab exists. Adults in particular can have strep with little or no fever.
Only those with symptoms. Testing people who feel completely well is generally not recommended, because some carry the bacteria harmlessly without being ill and treating them achieves little.
Usually reinfection from close contacts rather than treatment failure, and households with school-age children pass it back and forth easily. Repeated episodes in a year are worth discussing with your own physician.
Most people feel noticeably better within one to two days of starting treatment. Finish the full course anyway. Stopping early is what allows the complications the treatment was meant to prevent.
Sometimes, when episodes are frequent and well documented year after year. It is a decision for an ear, nose and throat specialist rather than an emergency visit, but keeping a record of each episode is what makes that conversation possible.
Plenty of viral throats feel every bit as bad as strep, and the treatment is comfort rather than antibiotics. Come back if the pain becomes one-sided, your voice changes, or you cannot swallow, since those suggest something more than a virus.
Medically reviewed by the Arlington ER Clinical Team | Last Reviewed: August 2026