Flu Symptoms & Treatment in Cicero, IL — Walk-In Care

The flu causes sudden fever, severe body aches, fatigue, and respiratory symptoms — urgent care in Cicero offers same-day rapid flu testing and antiviral prescriptions. Starting Tamiflu within 48 hours can shorten the illness and reduce severity.
10–15 minRapid flu test result time
5–7 daysTypical flu duration
48 hrsWindow to start antivirals for max effect

Flu Symptoms

Sudden high fever
Often 102–104°F, appearing rapidly within hours
Severe body aches
Muscle pain often described as feeling “hit by a truck”
Extreme fatigue
Profound tiredness that begins suddenly
Dry cough
Persistent cough that can become severe
Headache
Severe headache, especially behind the eyes
Chills
Shivering and chills, especially during fever

Flu vs. Cold: Key Differences

Symptom Flu Common Cold
Onset Sudden (hours) Gradual (days)
Fever Common, high (102–104°F) Rare or mild
Body aches Severe Mild or none
Fatigue Extreme Mild
Runny nose Sometimes Common
Duration 5–7 days (fatigue 2 wks) 7–10 days
⚠ Go to the ER if you have

  • Difficulty breathing or shortness of breath
  • Persistent chest pain or pressure
  • Confusion or altered mental status
  • Signs of dehydration (no urination, dry mouth, dizziness)
  • Fever above 104°F not responding to medication

Frequently Asked Questions

Can urgent care test for flu in Cicero?

Yes. Rapid flu tests give results in 10–15 minutes. Providers can prescribe Tamiflu if positive and you’re within 48 hours of symptoms. No appointment needed.

What is the difference between a cold and the flu?

The flu comes on suddenly with high fever, severe body aches, and extreme fatigue. Colds develop gradually and rarely cause significant body aches or fever above 102°F.

Do I need Tamiflu for the flu?

Antivirals like Tamiflu reduce flu severity and duration by about 1–2 days when started within 48 hours. Most beneficial for high-risk individuals (65+, young children, pregnant, chronic conditions).

How long does the flu last?

Most flu symptoms last 5–7 days. Fatigue and cough can linger for 2 weeks. Fever typically resolves within 3–5 days.

Where can I get a flu shot in Cicero, IL?

Flu shots are available at urgent care with no appointment needed. They are covered by most insurance plans and Medicaid at no cost.

Medical Disclaimer: Urgent Care Cicero is a free health information and urgent care directory — we are not a medical provider and do not provide medical advice, diagnosis, or treatment. The information on this page is for general educational purposes only. Always consult a licensed doctor or qualified healthcare professional before making any health decision. If you are experiencing a medical emergency, call 911 or go to the nearest emergency room immediately.

Sources: Content is based on publicly available guidelines from the Centers for Disease Control and Prevention (CDC), Mayo Clinic, MedlinePlus (NIH), and other peer-reviewed medical references.