The Complete Long COVID Handbook: Volume 5 MCAS & Histamine

by Dr. Robert Groysman, MD · Paperback

$23.99

softcover, printed on demand

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Printed on demand just for you. Ships in 7 to 14 days. Change or cancel within 48 hours.

Your body feels like it is reacting to everything. Foods you always ate, smells, heat, even stress now set off flushing, hives, palpitations, headaches, or gut upset, often out of nowhere. You are not imagining new allergies. After COVID, mast cells, the immune cells that release histamine, can become overactive and fire when they should not.

Volume 5 covers mast cell activation and histamine intolerance, one of the six root mechanisms behind Long COVID. It names the mechanism behind reactions that seem random, and the steps that calm the system, in plain language you can bring to your own clinician.

Inside this volume

What you’ll find

01
What mast cell activation and histamine intolerance are, and why COVID can switch them on.
02
Why your reactions seem random, and how to connect them to triggers you can actually identify.
03
The overlap with food, heat, stress, and hormones, and how to tell histamine from a true allergy.
04
Treatment routes, low-histamine approaches, mast cell stabilizing strategies, and the antihistamine ladder used in clinic.
05
What testing helps, what it cannot show, and what to bring to your clinician.

Chasing each reaction one at a time is exhausting and rarely works. This volume names the mechanism behind them, so you can calm the system instead of dodging one trigger after another.

Dr. Robert Groysman

Robert Groysman, MD

Pain and Long COVID specialist · Plano, Texas

He began treating Long COVID before it had a name, after a stellate ganglion block unexpectedly restored the taste and smell in his post-COVID patients. That was the first clue that something deeper was going on.

He has experienced Long COVID himself. This series is based on findings in his own practice.

Reading the whole framework?

Mast cell activation is one of six mechanisms. The seven-volume set covers all of them and saves you $18.93 over buying each book on its own.

See the complete set, $149

Before you order

Good to know

When will it arrive?
Every book is printed on demand, just for you. That takes 7 to 14 days before it ships.
Can I change or cancel?
Yes, within 48 hours of ordering, for a full refund. Once printing starts, the order is final.
Is payment secure?
Payment runs through Stripe. Apple Pay, Google Pay, and all major cards are accepted.
Questions first?
Email [email protected] and a person will answer.

Start with the mechanism that fits your symptoms.

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