Site Overview

What You Need to Know First

Alphabetical Index


Research Participation Opportunities



Tanya's CRF Support Group Today



What Happens in CKD?

Causes of CKD

Early Detection

How Bad is It?

Is There Any Hope?

Acute Renal Failure



Nausea, Vomiting, Appetite Loss and Excess Stomach Acid

Maintaining Hydration

The Importance of Phosphorus Control

All About Hypertension

All About Anaemia

All About Constipation

Potassium Imbalances

Metabolic Acidosis

Kidney Stones



Coping with CKD

Tanya's Support Group

Success Stories



Alphabetical List of Symptoms and Treatments

Fluid and Urinary  Imbalances (Dehydration, Overhydration and Urinary Issues)

Waste Product Regulation Imbalances (Vomiting, Appetite Loss, Excess Stomach Acid, Gastro-intestinal Problems, Mouth Ulcers Etc.)

Phosphorus and Calcium Imbalances

Miscellaneous Symptoms (Pain, Hiding Etc.)



Blood Chemistry: Kidney Function, Potassium, Other Tests (ALT, Amylase, (Cholesterol, Etc.)

Complete Blood Count (CBC): Red and White Blood Cells: Anaemia and Infection

Urinalysis (Urine Tests)

Other Tests: Ultrasound, Biopsy, X-rays etc.

Renomegaly (Enlarged Kidneys)

Which Tests to Have and Frequency of Testing

Factors that Affect Test Results

Normal Ranges

International and US Measuring Systems



Which Treatments are Essential

Finding a Good Vet and Record Keeping

Fluid and Urinary Issues (Fluid Retention, Infections, Incontinence, Proteinuria)

Waste Product Regulation (Mouth Ulcers, GI Bleeding, Antioxidants, Adsorbents, Azodyl, Astro's CRF Oil)

Phosphorus, Calcium and PTH (Calcitriol)

Miscellaneous Treatments: Stem Cell Transplants, ACE Inhibitors - Fortekor, Steroids, Kidney Transplants)

Antibiotics and Painkillers

Holistic Treatments (Including Slippery Elm Bark)

ESAs (Aranesp, Epogen etc.) for Severe Anaemia

General Health Issues in a CKD Cat: Fleas, Arthritis, Dementia, Vaccinations

Tips on Medicating Your Cat

Obtaining Supplies Cheaply in the UK, USA and Canada

Working with Your Vet



Nutritional Requirements of CKD Cats

The B Vitamins (Including Methylcobalamin)

What to Feed (and What to Avoid)

Persuading Your Cat to Eat

Food Data Tables

USA Canned Food Data

USA Dry Food Data

USA Cat Food Manufacturers

UK Canned Food Data

UK Dry Food Data

UK Cat Food Manufacturers

2007 Food Recall USA



Intravenous Fluids

Subcutaneous Fluids

Tips on Giving Subcutaneous Fluids

How to Give Subcutaneous Fluids with a Giving Set

How to Give Subcutaneous Fluids with a Syringe

Subcutaneous Fluids - Winning Your Vet's Support




Heart Problems



Polycystic Kidney Disease (PKD)


Dental Problems









Saying Goodbye

The Final Hours

Coping with Your Loss

Other People's Losses





Canine Renal Failure

Other Illnesses (Cancer, Liver) and Behavioural Problems

Diese Webseite auf Deutsch



My Three CKD Cats: Tanya, Thomas and Ollie

My Multi Ailment Cat, Harpsie

Find Me on Facebook

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Contact Me

Home > Siteowner > Contact Me



  • I admit I don't make it overly easy to contact me.

  • That is because I run this website single-handedly, and I receive so much mail these days that I often struggle to keep up with my correspondence.

  • So please do read my comments below before you contact me, because it may not be necessary for you to do so, which could save us both some time.

The Name Issue 


I'm afraid this might embarrass some of you, which is not my intention, but I really feel it's time I clarified this. My name is actually Helen, not Tanya. Tanya was my first CKD cat, in whose honour and memory the site was named. I do answer the many e-mails I receive which are addressed to Tanya, but it is kind of strange masquerading as a blue Persian cat.


When to Contact Me

Please do not hesitate to contact me if: 

  • I've got anything wrong (I've tried my best, but I'm not a vet).

  • you would like to say thank you. I love getting thank yous (even ones addressed to Tanya) - it makes all the work I put into this site worthwhile.

  • there is something you think I should be including on the site, such as new research. Please do check the site first to see if I already cover it.

  • any of the links are broken. Please don't do this until the end of April 2012 - I know many of them are broken following the site review, so I'm slowly working my way through them. If you're looking for pages which have moved, the Stomach Acid page is now at Nausea, Vomiting, Appetite Loss and Excess Stomach Acid. Erythropoietin is at ESAs.


Ongoing Support


Unfortunately I am not in a position to offer ongoing assistance. I'm afraid I'm atrociously bad at answering e-mails promptly - my priority is to maintain this site and run Tanya's CRF Support Group.


Please feel free to join the group if you need ongoing help, or just want to talk to others who understand - it can give you a faster response than I usually offer, and can provide ongoing support.


Sometimes people give me a telephone number and ask me to call them. I regret that I am unable to do this, I can't afford the time or the cost of what are usually international phone calls. I don't give out my own phone number for privacy reasons and because I do need to sleep occasionally.


Looking for a UK Vet Who Permits Sub-Qs?


if you are looking for a UK vet who might be able to work with you and allow you to give your cat sub-Qs if appropriate, please join Tanya's CRF Support Group, which I run. I am not always able to respond promptly to e-mails, so this is the quickest way of finding a vet.


In your first post, please state where you are located (your nearest large town or county) and that you are looking for a vet. There are a number of British members who may be able to give you a personal recommendation.


If there is a vet in your area on my private list of vets (not all of them want their details publicly available online), I or one of the group moderators will also contact you privately with details.


If You Think The Food Data Tables Are Wrong


Ah yes, the food data tables. Several times a week people write to tell me something in the tables is wrong (and some of these people are really quite rude). So far, only three times in 18 months have my correspondents been correct. The others simply misunderstood the basis of the tables, but it takes up a lot of my time answering these e-mails because I have to go and re-check my data and then write an e-mail explaining how I calculated my figures.


So if you think you have found a food which is low in phosphorus, or if you think I've got the wrong data about a food, please be sure that you understand the basis on which my food data tables are calculated before writing to tell me about it.


My tables are calculated on the basis of dry matter analysis (DMA). The labels on the cans in the USA do not provide information on a DMA basis. Therefore that apparently low level of phosphorus, such as in Weruva - why does everybody write to me about Weruva in particular? - which supposedly has a phosphorus level of only 0.17% but which it does not on a DMA basis, is unfortunately unlikely to be accurate. In fact, in the USA, under AAFCO guidelines a commercial food cannot be labelled as a complete adult food if it contains less than 0.5% phosphorus on a DMA basis. I know it's very complicated! The Food Data Tables page tries to explain all this in an understandable way.


Of course, you might be right! So if you've read how I calculate the data and you still think I'm wrong, please let me know. I hate it when information on the site is not accurate!


Any Questions?

If you want to ask me a question, please do the following before contacting me:

  • remember that I am not a vet and I cannot diagnose or treat your cat.

  • check on the Site Overview page if you're having trouble finding something. This site is incredibly comprehensive, and in at least 95% of cases, the answers to the questions I am asked are already available on the site. I do already cover Astro's CRF Oil, Azodyl and Rubenal. Don't waste your money buying Tripsy or RenAvast.

  • I'm afraid I am not currently able to add any stories to the Other People's Losses or Success Stories pages. I am always happy to read about other people's cats, but I am in the middle of a major site review, so I am not adding to these pages at this time.

  • if you use some kind of challenge/response system (e.g. earthlink, spamarrest), please whitelist my e-mail address before you write to me, because I won't take the time to add myself to your whitelist. I do answer everyone (except spammers) eventually, so if you use one of these systems and I don't appear to have responded, chances are that I have responded but refused to whitelist myself.

  • THE MOST IMPORTANT POINT: if your cat is very sick, or his/her condition has suddenly worsened, you need to contact a qualified vet immediately. The internet can never be a substitute for a qualified vet who can physically examine and treat a sick cat.

Translation Offers

Thus far I have received offers to translate my website into French, Spanish, Swedish, Polish, Hungarian, Chinese and Turkish. Whilst I greatly appreciate these kind offers, I am unfortunately unable to accept these or any other offers of translation. This is for three reasons:

  1. It is extremely important to me to know that any information provided in my name is as accurate as possible. I allowed my site to be translated into German because I am a qualified translator from German and thus am able to judge the accuracy of the translation. I am not able to do this for any other languages, and I therefore cannot permit any other translations.

  2. This site is extraordinarily comprehensive. The English version of the site is now over 600 pages long. This would be a big task even for a professional translator, let alone for an unpaid volunteer.

  3. I usually update this site weekly, sometimes daily. This entails me remembering to send amendments to my German translators, waiting for their responses, then checking their amendments are accurate and adding them to the site. This doubles my workload, and having to do this for even more languages would only add further to my workload and stress levels.

I have decided that a reasonable compromise would be to host translations of the Key Issues page in various languages here on the website. I will be looking into doing this towards the end of 2012. If you would like to help, please contact me.


In the meantime, please do not consider translating my site without my knowledge or permission. It is a breach of my copyright to do so. This site is a labour of love for me, a work which I freely make available in two languages to people in need of help. I do not make any money from it, and unauthorised translations, whether for profit or otherwise, are essentially theft.


Thank you for visiting, and I wish you all the success in the world in helping your cat. .


Please click on the black cat to send me an e-mail.


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This page last updated: 17 January 2012