When should my cat be dewormed? Kittens need to be dewormed at two, four, six, and eight weeks. All cats and kittens that are old enough should take year-round monthly heartworm and flea preventative that also treats and controls hookworms and roundworms.

Can I deworm my kitten myself?

Standard Deworming Protocol

In general, all kittens should be treated preventatively for certain common parasites such as roundworms and hookworms. This can be done with the help of a veterinarian, or at home with the correct over-the-counter medication and information.

Do all kittens have worms?

Do all kittens have worms? Intestinal parasites are common in kittens. Kittens can become infected with parasites almost as soon as they are born, since one of the most common sources of roundworm infection is in the mother's milk.