One of our members put this together for people in the US.
The Relion meter is specific to Walmart in the US. If you are outside the US, we can recommend a different meter. The vet may recommend a pet meter. Be forewarned: the strips are crazy expensive. A human meter will work just fine. That is what all of the vets used before a company saw a market for a pet-specific meter.
Hometesting is how you keep your cat safe.
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ReliOn Prime glucometer - $9
ReliOn Prime test strips - $18 for 100
ReliOn Lancets 26 G (or 28 if unavailable) - $1-2 for 100
ReliOn Lancing Device (optional) - $5
Travel-size Vaseline - $1
Neosporin Ointment + Pain Relief (ointment only, NOT cream) - $6
Cotton Pads (optional) - $2
Hypo Kit Supplies:
Karo Syrup - $3
Ketone Test Strips (Ketostix) - $6
A few cans of Fancy Feast Gravy Lovers Marinated Morsels/Sliced in Gravy/Grilled in Gravy varieties - $0.60 each (these are your medium-carb cans)
A few cans of Fancy Feast Gravy Lovers/Medleys Tuscany/Medleys Gravy in Sauce varieties - $0.60 each (these are your high-carb cans)
Medium Carb is 11-15%
High Carb is 16%+
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Insulin – do you know which insulin the cat is using?
Syringes – some insulins require a U40 syringe and some require U100 syringes. The syringes are not interchangeable.
Food: under 10% carbs is best for a diabetic cat but
do not change food until you are hometesting. Just a change to lower carb food can drop a cat's numbers significantly. Food switching should be done slowly with a diabetic cat.
A lot of people feed Fancy Feast or Friskies pates.
A food list put together by a reputable vet can be found here:
There are very few dry foods that are considered low carb. Dr. Elsey's Clean Protein is one. Young Again is another (the company will send you a sample if you ask).
Thank you for considering adopting a diabetic cat. There is a wealth of information and experience on this forum. We can help you every step of the way.