General Infectious Disease Care

Comprehensive Infection Management in Colorado

Not every infection fits neatly into a single category. At Infinity ID in Colorado, Dr. Katrina Coulter provides expert evaluation, diagnosis, and treatment for the full spectrum of infectious diseases. Whether you’re dealing with a lingering fever, an unusual infection, or complications from a recent illness, you’ll receive personalized, compassionate care.

We are part of:

American Board of Internal Medicine
Colorado Medical Society
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Infectious Disease Services

General Infectious Disease Care

What Is General Infectious Disease Care?

General infectious disease care refers to the medical evaluation, diagnosis, treatment, and prevention of illnesses caused by bacteria, viruses, fungi, or parasites. This type of care is provided by infectious disease specialists, who are experts in managing complex or hard-to-treat infections.

Common symptoms include

Fever or chills with more severe infections

Persistent or recurrent fevers

Infections that don’t respond to standard antibiotics

Infections that don’t respond to standard antibiotics

Complicated infections in patients with diabetes, cancer, or suppressed immunity

Complicated infections in patients with diabetes, cancer, or suppressed immunity

Infections related to hospitalization or surgery

Infections related to hospitalization or surgery

Guidance on vaccines, prevention, and travel health

Guidance on vaccines, prevention, and travel health

Infections

Early Treatment

Why Seeing a Specialist Matters

Many infections are straightforward, but others can be complex or resistant to standard treatments. Without specialist care, these infections may:

  • Prolong recovery and disrupt daily life
  • Lead to hospitalization or severe complications
  • Recur or become chronic
  • Spread to other organs or the bloodstream

At Infinity ID, you’ll benefit from Dr. Coulter’s expertise as a board-certified Infectious Disease physician who considers your whole health picture and creates a tailored treatment plan.

How we treat

How We Care for Patients

Our general Infectious Disease services include:

  • Comprehensive history, physical exam, and lab review
  • Advanced diagnostic testing when needed
  • Targeted antibiotic, antifungal, or antiviral therapy
  • Outpatient IV antibiotic therapy (OPAT) when appropriate
  • Close follow-up to ensure full recovery

At Infinity ID, we also emphasize microbiome recovery and gut health restoration when antibiotics or severe infections disrupt balance.

How We Care for Patients
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Dr. Katrina

Our Approach

Our Approach

Longer Visits

Longer visits to fully understand your history and concerns.

Collaborative

Direct coordination with your primary care doctor and specialists.

Convenience

Same-day or next-day appointments available in Colorado.

Transparency

Clear, upfront communication about your diagnosis and treatment.

HOW IT WORKS

Getting Started Is Simple

1. Book Your Appointment

Choose a time that works for you — online or by phone. We offer same-day or next-day appointments when available.

Vector 25 1 General Infectious Disease Care
Vector 25 1 General Infectious Disease Care

2. Complete Intake Forms

You’ll receive secure digital forms to complete before your visit, so we can make the most of our time together.

3. Send Us Your Records (If Needed)

Once approved, you'll receive access to our secure Tebra portal to complete your intake forms and screening tools

Vector 25 1 General Infectious Disease Care

4. Meet with 
Dr. Coulter

Receive a thorough evaluation with a board-certified Infectious Disease specialist. You’ll leave with a clear plan and full confidence in your care.

Infectious Disease Services

We take your health seriously — and your privacy too.

All forms, medical records, and communications are fully HIPAA-compliant and 
securely encrypted to keep your information safe and confidential.

FAQs

Frequently Asked Questions

Do I need a referral to see an Infectious Disease specialist in Colorado?

Not always. While some insurance plans may require a referral, many patients come directly to Infinity ID for expert care.

If you have a complex, recurrent, or difficult-to-treat infection, or if your infection involves multiple systems, it’s best to see a specialist.

Yes. Persistent or resistant infections are a key reason to see Dr. Coulter. She will review your history and develop a new, targeted treatment approach.

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Still have questions?


We’re here to help.

Specialized Infectious Disease & Wellness Care in Colorado

Get an Appointment

Take the Next Step

If you’re facing a complex or unresolved infection, expert help is here.