Home › Services › Flu, COVID-19 & Strep Testing

Flu, COVID-19 & Strep Testing

Rapid testing is where urgent care earns its keep in respiratory season: flu, COVID-19, strep, and increasingly RSV panels run on-site with results before you leave — and a positive flu test inside the first 48 hours of symptoms opens the door to antiviral treatment.

Why the 48-hour window matters

Per the CDC, influenza antivirals work best when started within about two days of symptom onset, and matter most for higher-risk patients — adults 65+, young children, pregnant patients, and people with asthma, diabetes, or heart disease. That timing is why same-day testing beats a next-week appointment for flu specifically.

Strep deserves a test, not a guess

Sore throats are usually viral; antibiotics only help the bacterial minority. A rapid strep test plus culture backup settles it in minutes and prevents both untreated strep complications and unnecessary antibiotics.

What it costs

A tested visit typically runs $175–$250 self-pay in Illinois; many clinics bundle the swab into flat-rate pricing. See the full Illinois cost guide.

Verified clinics offering this

Related

Sources

General health-services information, not medical advice. In an emergency, call 911 or go to the nearest emergency room.