Comfortis for Cats (6-pack)

Cat size: 

Comfortis is a tasty beef-flavoured chewable tablet which is given to your cat each month. It contains Spinosad which starts working in 30mins.

An oral prerparation means there are no rinses, sprays of topical spot-ons which ins some cats have caused quite a skin reaction.  Whilst it is very deadly to fleas, spinosad has a very high safety margin in mammals