Cheristin for Cats is topical flea treatment and prevention designed specifically for cats. Cheristin's fast-acting and long-
lasting formula starts killing fleas in only 30 minutes and protects against fleas through 6 weeks. It's non-greasy, quick-
drying liquid formula is easy and comfortable to apply using a rounded tip applicator. Cheristin comes in one dose size
for all cats and kittens over 1.8 lbs and 8 weeks old, making it great for families with multiple cats. One full tube of
Cheristin is applied to each cat, every month for year round protection from fleas. Cheristin is recommended by
veterinarians, but available without a prescription. Use as directed by label.
What is Cheristin?
Cheristin for cats (spinetoram) is a topical flea protection that is specifically designed for cats. While monthly application
is recommended, it starts killing fleas in just 30 minutes and protects your cat for up to 6 weeks.
How long does it take for Cheristin to work?
Cheristin starts killing fleas in just 30 minutes to provide quick relief for your cat. In a controlled study, it killed 98-100%
of fleas within 12 hours. (1)
How long does Cheristin last?
While monthly application is recommended, a single dose of Cheristin kills adult fleas for up to 6 weeks.
What type of parasites does Cheristin kill?
Cheristin kills fleas. Its active ingredient, spinetoram, starts killing fleas in just 30 minutes and remains effective for up to
6 weeks to keep your cat protected from fleas, although monthly application is recommended.
Do I need a prescription for Cheristin?
No. Cheristin is available online and at retail outlets without a prescription.
Can Cheristin be administered to large and small cats?
Cheristin is a low-volume, one-size-fits-all solution for cats and kittens 8 weeks of age or older and 1.8 pounds or greater,
which makes it ideal for families with multiple cats.
Does seeing fleas on my cat mean that Cheristin isn't working?
Not at all. Cheristin kills adult fleas in 30 minutes after contact. If you see fleas on your cat, they are most likely new adult
fleas that will die very quickly.
If there are any fleas in your cat's environment, it can take weeks or even months for flea larvae to emerge and grow into
adults. Cheristin kills adult fleas before they can lay eggs, breaking the flea lifecycle.
All cats in the household should be treated with an approved flea protection product to minimize the likelihood of flea re-
infestation. It may also be necessary to apply an approved flea treatment product to your carpet and furniture in an
attempt to remove the presence of fleas in your cat's environment. Low-volume dosage is one-size-fits-all for cats or
kittens 8 weeks of age and older that weigh 1.8 pounds or greater.
Maintain consistent monthly application of Cheristin to provide continual flea protection for your cat and prevent future
1) Elanco Animal Health. Data on file.