U 40 Syringes
U 40 syringes were developed to be used with veterinary strengths of insulin and are predominately used as part of the treatment plan to manage diabetes in cats and dogs.
U 40 syringes are meant to only be used with U 40 insulin. Other insulin strengths are U100 and even U500 insulin. U 40 insulin would have 40 units of insulin per mL or cc and is 40% the strength of the same volume of U100 insulin. It’s important to use the correct syringe with the same concentration of insulin to prevent overdosing your pet.
Normal doses for each injection is usually one full syringe of insulin, so you can see that if you use the incorrect insulin syringe with an incorrect insulin concentration it would be very easy to improperly medicate your pet.
