
Overview
Whether you’re still struggling months after a COVID infection — or you began experiencing new, confusing symptoms after vaccination — the frustration is real. You’ve probably seen multiple doctors, been told “everything looks normal,” or even questioned whether your symptoms are related at all.
At GAIN, we understand that post-viral syndromes and vaccine-related injury are real, complex, and often dismissed. We help patients find answers, get relief, and feel seen — not sidelined.
What We Treat
We support patients with:
Long COVID (Post-Acute Sequelae of SARS-CoV-2)
Vaccine-related immune dysregulation or injury
Post-viral syndromes impacting multiple systems
Overlap with conditions like POTS, MCAS, or chronic fatigue
These conditions are real — and recovery is possible with the right tools and support.

Common Symptoms
Ongoing fatigue or post-exertional crashes
Brain fog, memory issues, or concentration difficulty
Shortness of breath or chest tightness
Heart palpitations or exercise intolerance
Dizziness or lightheadedness when standing
GI dysfunction or food reactivity
Sleep disruption
Joint pain, nerve pain, or tingling
Unexplained allergic or histamine responses

How GAIN Can Help
Dr. Jones has been at the forefront of treating complex immune conditions long before the pandemic — and he’s now helping patients navigate the lasting effects of COVID and vaccine-triggered immune shifts.
At GAIN, we:
Take a full-body systems approach to post-viral care
Screen for and treat associated conditions like POTS, MCAS, or dysautonomia
Use evidence-based therapies combined with nutritional, lifestyle, and pharmaceutical tools
Personalize treatment plans based on your triggers, patterns, and goals
Offer compassionate care that validates your lived experience
You’ll never be told it’s “just anxiety” or that “it will pass.” We’re here to investigate and support recovery — step by step.
Why Patients Choose GAIN
Expertise in immunology, dysautonomia, and inflammatory syndromes
One-on-one, unrushed appointments
Care that’s available in person or via telehealth
Plans tailored to complex, overlapping conditions
No referral or insurance approval needed
A provider who believes you — and has helped others like you recover

You’re not imagining it. You’re not alone. You’re not without options.
If you’re still sick — weeks or months later — we can help.
Book a consultation today.

Your Healing Journey Starts Here
Book your consultation with Dr. Doug Jones and discover the relief you deserve today.

