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Dr. Lisa, DVM (Veterinarian)
Category: Cat
Satisfied Customers: 511
Experience:  Doctor of Veterinary Medicine, Integrative Medicine (Western and Homeopathic)
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# What is the dose of pyrantel pamoate suspension for my ...

### Customer Question

What is the dose of pyrantel pamoate suspension for my cats? The bottle is 16 oz and each ml contains 50mg of the pyrantel base.
I have six cats with weights ranging from 8 pounds to 15 pounds.
I know that is should be 5mg/kg but how do i figure that out into a dose for each cat?
Submitted: 9 years ago.
Category: Cat
Expert:  Dr. Lisa replied 9 years ago.

Hi,

You are correct that the dose is 5 mg/kg by mouth once, then repeat in 2 weeks.

Here's how you calculate the dose:

Body weight in pounds divided by 2.2 gives you the body weight in kg.

For example, a 15 pound cat is 6.81 kg.

Then, take the kg weight and multiply it by 5 -- in the example above, the 15 pound (6.81 kg) cat would get 34 mg of the pyrantel.

Since each ml contains 50 mg, take 34 and divide by 50......34/50 = .68 mls. The dose of the pyrantel for the 15 pound cat is .68 mls.

Here is a dosing chart to use:

8 pound cat .36 mls

9 pound cat .40 mls

10 pound cat .45 mls

11 pound cat .5 mls

12 pound cat .54 mls

13 pound cat .6 mls

14 pound cat .63 mls

16 pound cat .68 mls.

I hope this helps. Please let me know if you need further info. Remember, only a single dose and repeat in 2 weeks. Do not use in sick of severely debilatated animals.