- 21Cats.org - Provides information to improve the health and well-being of cats.
- Bengal Cat Health Corner - Offers articles on a variety of health related topics.
- Cat Fancier's Association: Plants and Your Cat - List of house plants which are poisonous to cats.
- Cat's Pride - Makers of kitty litter. Information on litter boxes, and care.
- Cat Health, Illness, & Well Being Topic Library - Links to various sites relating to cat health.
- Cat Help Online - Feline health care information, glossaries, library, emergency considerations, veterinary information, articles and references.
- Cat Info: Alphabetical Index - Information resource for cat health care and behavioral issues.
- Catvet - Maintained by a feline specialist veterinarian and concentrates on issues relevant to pedigreed cat breeders and fanciers, with information, case histories, and photos.
- Cornell Feline Health Center - Fact sheets on cat care and health issues. Fee-based online consultation and diagnosis service.
- Fat Cat Inc. - Feline information to include health-related.
- Feline Advisory Bureau - Charity devoted to the health and welfare of cats and the encouragement of feline veterinary specialization. Health and care articles, PKD disease and screening information.
- Feline AIDS FIV - FIV information and treatment options.
- Feline First Aid - Tips to follow to distinguish minor afflictions from true emergencies and how to address the situations.
- Feline Friends and Familiars - A few health tips for feline familiars.
- Feline Health Links - Links to sites that focus on specific health issues for cats such as CRF, constipation, nutrition, feline cancer, latest research, holistic, diabetes and diet.
- Feline Zoonoses and You - A description of diseases cats can transmit to their owners.
- Glamour Kitty Cat Litter - Product information about the 4 types of litter sold.
- Hartz Company Cat Pages - FAQs and other information about cat care and Hartz products for cats.
- Meow Meow Monthly - Answers feline health questions.
- MuttCats.com - Featuring cat health and welfare information and free pet memorial pages.
- Older Cat Health Information - Advice on older cat health care including geriatric issues such as arthritis and senility.
- Peteducation.com - Multiple articles written by vets describing feline health, behavior, diseases, and grooming.
- Plants and Your Cat - Guide to which household plants are toxic to cats, including symptoms of poisoning.
- Revolution from Pfizer - Safe, once-a-month application protects cats from ear mites, scabies, hookworm, roundworm, ticks, and other harmful parasites.
- So You Want To Know About Kitties - General information about care and rescue.
- The Cat Site Health - Articles on various diseases, conditions, and nutrition.
- The Concerned Cat - Veterinarian Jon Vilhauer examines feline health care issues.
- Veterinary Information for Cats - Cat health and behavioral issues. Information resource for the cat owner.