
Mononucleosis (Mono) at Reddy Urgent Care
Walk in for a rapid mono test — results in 10 minutes, no appointment needed.
Find Nearst LocationOverview
Mononucleosis (mono) is caused by the Epstein-Barr virus and causes severe fatigue, sore throat, swollen lymph nodes, and fever. Our rapid mono test gives results in approximately 5–10 minutes at the clinic.
Symptoms We Treat
- Severe and persistent fatigue
- Very sore throat (often severe)
- Swollen lymph nodes in the neck, armpits, or groin
- Fever
- Headache
- Skin rash (sometimes appears after taking amoxicillin)
- Enlarged spleen (left-sided abdominal discomfort)
How We Treat It At Reddy Urgent Care
Walk-In — No Appointment Needed
Simply walk in during our operating hours. No referral or scheduled appointment is required to be seen by our medical team.
Same-Day Care
We evaluate, diagnose, and treat most conditions the same day you visit so you can get back to feeling your best as quickly as possible.
Care for All Ages
Our providers treat patients of all ages — from infants and children to adults and seniors — under one roof.
Most Insurance Accepted
We accept most major insurance plans, Medi-Cal, and Medicare. We verify your benefits before treatment and inform you of any costs upfront.
Types Of Mononucleosis (Mono) We Treat
- Classic mononucleosis (EBV)
Primary Epstein-Barr virus infection causing the full range of mono symptoms.
- Mono with tonsillitis
Mono often causes significant tonsil swelling alongside extreme fatigue.
- Mono with spleen enlargement
Enlarged spleen is a concern in mono — activity restrictions are important.
- Post-mono fatigue
Lingering fatigue for weeks after the acute infection clears.
When to Go to the Emergency Room Instead
Go to the nearest emergency room or call 911 if you or someone with you has:
- Severe left-sided abdominal pain (possible spleen rupture — call 911)
- Difficulty breathing due to severely swollen tonsils
- Severe neck stiffness with mono symptoms
If you are unsure, go to the ER. It is always better to be safe.
Frequently Asked Questions
Yes. Rapid on-site mono test with results in approximately 10 minutes. Walk in — no appointment needed.
Mono is viral and doesn’t respond to antibiotics. Rest, hydration, and activity restrictions are the main management.
Most people recover in 2–4 weeks, but fatigue can linger longer. Activity restrictions apply during recovery.
Most major plans cover rapid mono testing. Bring your insurance card.
















