Bite Size        Acid Drops

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The printed versions of this book:

From Left to Right:
0 = Spiral bound first edition (home produced), October 2015
1 = First commercially produced edition, April 2016
2 = Second commercially produced edition, July 2017 (with a few minor revisions and additions)
3 = Third commercially produced edition (DWA3), April 2019 (with a few revisions and additions)
  Right = Spanish version from Asenbar. Contact for more information.

This website is mainly the third edition; extra notes or links added are identified using purple text.
No new printed editions are planned but some extra pages may be added to this website.

For recipients of a second (yellow) edition, the extra pages from DWA3 are downloadable here.

This book is FREE as a download, as is this website.
(There are too many snake-oil charlatans.)

Unsolicited testimonials for the first edition:
"so informative! I am still reading it, find it very helpful understanding all the aspects of these digestive disorders. Acid reflux, Barrett's etc."
"its such a great help to myself and thousands of people out there in need of this kind of help, that is not available by The health professionals!"
"a superb compendium of knowledge - thorough, comprehensive, approachable yet scientifically literate.  ... the definitive guide to the subject."
"I have finally had the mental clarity to read ... "Down With Acid" from cover to cover.. This is so well written and a great asset for each one of us .. Every medical practice should supply this book."

Acid and Alkali foodsFoods that may cause refluxKnow your triggers,

Some food mythsHow we eat is important, Exercise after food

Combinations and complications:


                Barrett's Oesophagus, Put Simply

                Oesophageal cancer

                Swallowing difficulties: achalasia, dysphagia, stricture

   Nutcracker oesophagus

    Induced Hypochlorhydria

                Small Intestinal Fungal/Bacteria Overgrowth (SIBO/SIFO)

Tests and Diagnosis:



                Cytosponge, EsophaCap, EsoCheck, Spit Test, Breath Test


                24 hr pH manometry, Bravo 48 hour monitoring

                DeMeester score

                Barium swallow, Barium meal

                        Heidelberg Test


Endoscopic Mucosal Resection

RadioFrequency Ablation


Photo Dynamic Therapy

Argon Plasma Coagulation


Other – related conditions / complications, side effects etc:

Otorhinolaryngological (ENT)

Pneumonia, COPD

Bronchiectasis, Pulmonary Fibrosis

               Gastric Dumping syndrome

                   Eosinophilic oesophagitis


               Symptom checker - the most commonly noticed symptoms of acid and reflux

               NICE Option Grid for treatment of long term heartburn.

Help - where to find more information and get support

Extra Pages (added since the last printed edition and only available online):

Bite Size (a short synopsis of some of this book)