Kittens typically need to be dewormed internally once a month and externally once a month. External parasite control mainly kills fleas, lice, ticks, mites, etc. Commonly used external parasite medications contain ingredients such as selamectin and ivermectin.

Internal deworming medications primarily kill roundworms, hookworms, heartworms, tapeworms, coccidia, trichomonas, etc. Commonly used internal deworming medications include febantal, milbemoxime, praziquantel, diclazuril, and metronidazole.