Bronchitis vs Pneumonia: Symptoms and When to Get Checked
How a chest cold differs from pneumonia, why a chest X-ray settles it, and when to walk in or go to the ER.
Advanced Urgent Care TeamOctober 6, 2026
Flu Symptoms in 2026: Day-by-Day Timeline, Flu A vs. Flu B, and When to Get Tested
What the flu feels like day by day, how flu A and flu B compare, how to tell flu from COVID or a cold, and when a same-day test changes treatment.
Advanced Urgent Care TeamOctober 5, 2026
How Long Is the Flu Contagious? A Day-by-Day Guide
When the flu is most contagious, how long you can spread it, and the current guidance on returning to work and school.
Advanced Urgent Care TeamOctober 5, 2026
RSV Symptoms in Adults: What It Feels Like, How Long It Lasts, and When to Be Seen
RSV usually looks like a cold in adults, but it can be serious after 50 or with heart or lung disease. Symptoms, timeline, vaccine guidance, and warning signs.
Advanced Urgent Care TeamOctober 5, 2026
Does Urgent Care Do Blood Work, X-Rays, and Stitches? What an Urgent Care Visit Can Handle
Blood work, X-rays, stitches, EKGs, rapid tests, and prescriptions: what urgent care can do in one visit, what it costs compared with the ER, and when the ER is the right call.
Advanced Urgent Care TeamOctober 5, 2026
Mono vs. Strep Throat: How to Tell the Difference
Strep throat and mono both cause a severe sore throat, but they differ in cause, timeline, testing, and treatment. A side-by-side guide.
Advanced Urgent Care TeamOctober 5, 2026
Hand, Foot, and Mouth Disease in Adults: Symptoms, How Long It Lasts, and When to Be Seen
Yes, adults get hand, foot, and mouth disease, usually from a child at home. What it looks like in adults, how long it lasts, and how to treat it.
Advanced Urgent Care TeamOctober 5, 2026
How to Treat a Bee Sting: First Aid, Normal Reactions, and When to Get Care
Step-by-step first aid for a bee sting, how to tell normal swelling from an allergic reaction, and when a sting needs urgent care or 911.
Advanced Urgent Care TeamOctober 5, 2026
Drug-Resistant STDs in 2026: Gonorrhea Resistance & CA Rates
Ceftriaxone-resistant gonorrhea is rising worldwide — resistance jumped from 0.8% to 5% by 2024.
Advanced Urgent Care TeamAugust 27, 2026
COVID Symptoms 2026: Stratus & Cicada Variants
COVID is climbing again — the Stratus (XFG.1.1) and Cicada (BA.3.2) variants, the severe-sore-throat symptom pattern of 2026, and same-day rapid & PCR testing in Pasadena..
Advanced Urgent Care TeamAugust 27, 2026
2026 Cyclospora Outbreak: Symptoms, Testing & Treatment
The largest U.S.
Advanced Urgent Care TeamAugust 27, 2026
Do I Need Stitches? How to Tell
Not sure if a cut needs stitches? Learn the signs — depth, bleeding, location — and how our Pasadena walk-in clinic closes wounds the same day.
Advanced Urgent Care TeamAugust 27, 2026
School & Sports Physicals: Walk-In Guide
Need a school or sports physical fast? Walk into our Pasadena clinic — what to bring, what the exam covers, and how to leave with your forms signed the same day..
Advanced Urgent Care TeamAugust 27, 2026
Flu Season 2026–2027: Shots, Symptoms & Care
Flu season is coming to Pasadena.
Advanced Urgent Care TeamAugust 27, 2026
Understanding Human Metapneumovirus (HMPV): Symptoms, Transmission, and Prevention
Learn about symptoms, transmission, and prevention of Human Metapneumovirus (HMPV).
Advanced Urgent Care TeamJune 22, 2023
Emergency Room or Urgent Care: How to Choose the Right Care for Your Needs
Decide between an emergency room and urgent care for your symptoms.
Advanced Urgent Care TeamMay 10, 2024
Staying Safe & Healthy During Wildfire Season in Southern California: A Complete Guide
Discover when wildfire season strikes Southern California.
Advanced Urgent Care TeamOctober 26, 2023
Our Advanced Urgent Care Team Explains Fever in Children: When to Visit a Clinic
Our team at Advanced Urgent Care explain the decision-making process based on experience.
Advanced Urgent Care TeamMarch 30, 2018
Which STD Tests Should You Get and When?
Discover which STD tests you need, when to get tested, and how often to get checked.
Advanced Urgent Care TeamJune 14, 2024
Which Blood Tests Should You Have Done Annually?
The healthcare professionals at Advanced Urgent Care of Pasadena explain the most important blood tests to have done at least once a year..
Advanced Urgent Care TeamFebruary 8, 2021
X-Rays vs MRIs: What They Do and Which One Is Right for You?
MRI is a more detailed imaging test than X-ray, and can show soft tissues, such as the brain, spine, and joints, in greater detail..
Advanced Urgent Care TeamAugust 11, 2023
Preparing For Surgery? What You Need To Know
Discover expert advice on preparing for surgery, including vital tips and insights.
Advanced Urgent Care TeamFebruary 28, 2024
WOUND CARE AT HOME: ALL YOU NEED TO KNOW
Discover essential tips for wound care management at home.
Advanced Urgent Care TeamDecember 13, 2023
Headache and Heartburn at the Same Time: What the Combination Can Mean
Headache and heartburn often show up together.
Advanced Urgent Care TeamSeptember 2, 2026
What Is a Full Panel STD Test, and How Do You Know If You Need One?
What a full panel STD test includes, how samples are collected, how long results take, and who should get tested.
Advanced Urgent Care TeamSeptember 2, 2026
Can You Be Born With an STD? How Infections Pass From Mother to Baby, and How Testing Protects Both
Some STDs can pass to a baby during pregnancy or birth.
Advanced Urgent Care TeamSeptember 2, 2026
Understanding Pre-Op Assessments and Blood Testing Before Surgery
What happens at a pre-op assessment, which blood tests surgeons order and why, how to prepare, and how to get same day pre-op clearance in Pasadena..
Advanced Urgent Care TeamSeptember 2, 2026
Abnormal Blood Test Results? A Practical Guide to Understanding and Improving Them
An abnormal blood test result is not a diagnosis.
Advanced Urgent Care TeamSeptember 2, 2026
Does Health Insurance Cover STD Testing at Urgent Care?
Most health plans cover STD testing at urgent care, and many screenings count as preventive care.
Advanced Urgent Care TeamSeptember 2, 2026
Scratches, Scrapes, and Cuts: How to Care for Them at Home and How to Spot an Infection Early
How to clean and care for scratches and scrapes at home, the signs a wound is getting infected, when a tetanus booster is needed, and when to come in for care..
Advanced Urgent Care TeamSeptember 2, 2026
More articles
- A Quick Guide to COVID 19 Testing
- Antihistamines for Allergies: Do They Work and When to Use Them?
- What Your Blood Work Can Tell You About Liver and Kidney Health
- Food Poisoning and How Urgent Care Centers Can Assist
- Cold Versus Allergies How to Tell the Difference and What Treatments are Available
- Common STDs You Can Get Without Symptoms
- Essential Blood Work Tests Before Surgery: What You Need to Know
- Flu Shot Side Effects: Flu-Like Symptoms and How to Manage Them
- How to Differentiate STDs from UTIs
- How to Interpret Your Blood Test Results: A Quick Guide
- How to Pay for Your Urgent Care
- How to Reduce the Costs If You Need Urgent Care with No Insurance
- How to Schedule Your Annual Physical Check-up without a Primary Care Physician
- Our Urgent Care Team Presents a Guide to Determining If Your Child Is Too Sick for School
- Preventing Sore Throats for Singers and Public Speakers: Vocal Care Tips
- Red Bump on Your Eyelid: Causes, Symptoms, and Treatment Options
- Seasonal Allergies: Symptoms, Causes and Treatment
- Empower Your Sexual Health: A Comprehensive Guide to STD Testing and What to Expect
- Strep Throat vs Flu: Learn to Spot the Differences and Why It Matters
- Strep Throat vs. Tonsillitis: Key Differences You Need to Know for Accurate Diagnosis
- Defend Against Summer Bug Bites: Types, Prevention, and Urgent Care
- Understanding the Different Types of Hypertension: Diagnosis and Treatment Options
- The Comprehensive Guide to STD Tests: From Home Kits to Clinic Visits
- Broken Bone? When to Visit an Urgent Care Center
- What is Pediatric Urgent Care?
- What to Expect During Your Child’s Pediatric Health Care Visit
- Urgent Care Pre-Op Clearance: What To Expect From A Pre-Op Appointment
- When Should You Take Your Child to A Pediatric Urgent Care Clinic in Pasadena?
- X-Ray: What Is It? Types, Preparation & Risks
Frequently Asked Questions
Do I need an appointment?
No. We are a true walk-in clinic. Just come in during business hours and you'll be seen. If you prefer, you can also reserve a time online through our booking page.
What are your hours?
Monday through Friday 8:00 AM to 8:00 PM, and Saturday and Sunday 9:00 AM to 5:00 PM. We take our last patient 30 minutes prior to close.
Do you take my insurance?
We accept most major insurance plans, and we offer affordable self-pay pricing if you're uninsured or between plans. See our Accepted Insurances page for the current list, or call (626) 304-0404 and we'll check for you.
Where do I park?
We're at 797 S Arroyo Pkwy in Pasadena, next to Petco and near Huntington Hospital, with free on-site parking. The Metro A Line Fillmore Station is about a block away.
What should I bring to my visit?
A photo ID, your insurance card if you have one, and a list of any medications and allergies. For physicals, bring the form your school, employer, or surgeon needs signed.
