Thyroid & Hormone

(184 results)
Royal Canin® Breed Health Nutrition® Golden Retriever Breed Specific Adult Dog Dry Food - 30 lb
(641)
$99.99
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Royal Canin® Feline Health Nutrition Indoor Adult Dry Cat Food
3 sizes
(1960)
$23.99 - $67.99
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Royal Canin Size Health Nutrition X-Small Adult Dry Dog Food
(1013)
$59.99
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Royal Canin® Breed Health Nutrition® German Shepherd Breed Specific Adult Dog Dry Food
2 sizes
(988)
$79.99 - $99.99
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Royal Canin® Breed Health Nutrition® Labrador Retriever Breed Specific Adult Dog Dry Food - 30 lb
(930)
$99.99
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Royal Canin Size Health Nutrition Medium Breed Adult Dry Dog Food
3 sizes 1 flavor
(670)
$61.99 - $109.99
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Royal Canin® Breed Health Nutrition® Bulldog Breed Specific Adult Dog Dry Food
2 sizes 1 flavor
(736)
$79.99 - $99.99
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Royal Canin® Breed Health Nutrition® Yorkshire Terrier Breed Specific Adult Dog Dry Food
2 sizes 1 flavor
(1376)
$24.99 - $61.99
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Royal Canin® Breed Health Nutrition® Shih Tzu Breed Specific Adult Dog Dry Food
2 sizes
(952)
$24.99 - $61.99
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Royal Canin® Breed Health Nutrition® Poodle Breed Specific Adult Dog Dry Food
(475)
$61.99
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Royal Canin® Feline Health Nutrition Adult Instinctive Wet Cat Food - Thin Slices in Gravy, 3oz
(393)
$2.19
$2.29
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Royal Canin Canine Health Nutrition Adult Dog Wet Food - 13.5 oz
(322)
$3.89
$4.09
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Royal Canin® Feline Health Nutrition Instinctive Adult Loaf in Sauce Wet Cat Food - 3 Oz
(304)
$2.19
$2.29
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Royal Canin® Feline Health Nutrition Indoor Adult Wet Cat Food - 3 oz
(86)
$2.19
$2.29
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Royal Canin Size Health Nutrition Large Breed Adult Dry Dog Food
3 sizes
(406)
$61.99 - $109.99
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Royal Canin® Feline Care Nutrition Urinary Care Adult Dry Cat Food
2 sizes 1 flavor
(1480)
$28.99 - $79.99
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Royal Canin® Breed Health Nutrition® French Bulldog Adult Dog Dry Food
2 sizes
(700)
$79.99 - $99.99
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Royal Canin® Weight Care Adult Dry Cat Food
3 sizes 1 flavor
(632)
$28.99 - $79.99
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Royal Canin Size Health Nutrition Large Breed Aging 8+ Senior Dog Dry Food - 30 lb
(149)
$109.99
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Royal Canin® Breed Health Nutrition® Dachshund Breed Specific Adult Dog Dry Food
(509)
$61.99
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Royal Canin® Breed Health Nutrition® Miniature Schnauzer Breed Specific Adult Dog Dry Food - 10 lb
(494)
$61.99
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Royal Canin® Breed Health Nutrition® Boxer Breed Specific Adult Dog Dry Food
2 sizes
(443)
$79.99 - $99.99
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Royal Canin® Feline Health Nutrition Kitten Dry Cat Food
4 sizes 1 flavor
(1994)
$25.99 - $73.99
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Royal Canin Size Health Nutrition Giant Breed Adult Dog Dry Food - 30 lb
(148)
$99.99
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Royal Canin Size Health Nutrition Large Breed Puppy Dog Dry Food
2 sizes 1 flavor
(502)
$73.99 - $109.99
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Royal Canin® Breed Health Nutrition® Chihuahua Breed Specific Adult Dog Dry Food
2 sizes
(1075)
$24.99 - $61.99
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Royal Canin® Breed Health Nutrition Rottweiler Breed Specific Adult Dog Dry Food - 30 lb
(107)
$99.99
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Royal Canin Size Health Nutrition Small Breed Adult Dry Dog Food
2 sizes 1 flavor
(1126)
$19.99 - $99.99
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Royal Canin® Feline Care Nutrition Indoor Hairball Care Adult Dry Cat Food
(396)
$79.99
$83.99
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Royal Canin® Canine Care Nutrition Digestive Care Large Breed Adult Dog Dry Food - 30 lb
(91)
$109.99
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Royal Canin Multi Function Urinary + Hydrolyzed Protein Adult Dry Dog Food
(93)
$112.99
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Earn 5,000 points ($10 back in savings) when you spend $60+ on dog food.
+ 1 more
Royal Canin® Feline Health Nutrition Digestive Care Dry Cat Food
2 sizes 1 flavor
(729)
$28.99 - $42.99
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Royal Canin Size Health Nutrition Small Breed Puppy Dog Dry Food
3 sizes 1 flavor
(1413)
$23.99 - $109.99
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Royal Canin® Breed Health Nutrition® Golden Retriever Breed Specific Puppy Dog Dry Food - 30 lb
(350)
$104.99
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Royal Canin® Canine Care Nutrition Weight Care Large Breed Adult Dog Dry Food - 30 lb
(73)
$109.99
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Royal Canin Size Health Nutrition Medium Breed Puppy Dog Dry Food
2 sizes
(629)
$31.99 - $109.99
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Royal Canin® Breed Health Nutrition® Pug Breed Specific Adult Dog Dry Food - 10 lb
(277)
$61.99
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Royal Canin® Feline Health Nutrition Sensitive Digestion Adult Dry Cat Food
2 sizes 1 flavor
(733)
$36.99 - $67.99
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Royal Canin Size Health Nutrition Giant Breed Junior Puppy Dog Dry Food - 30 lb
(164)
$109.99
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Royal Canin® Feline Breed Nutrition Maine Coon Adult Dry Cat Food
(448)
$45.99
$48.99
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The Pharmacy at PetSmart carries medications you need for your cat’s thyroid and hormone health. Whether you need thyroid medication or hormone medication for cats, we have you covered. At PetSmart, we know that your top priority is helping your cat and following your vet’s treatment plan. 
PetSmart customers can place prescription orders through The Pharmacy website, as long as they are active prescriptions that have been prescribed by a vet in the last 12 months.
Prescriptions from a licensed veterinarian are required to purchase cat thyroid and hormone medication from The Pharmacy at PetSmart. Need to find a vet? We have you covered.
Not looking for thyroid medication or hormone medication for cats? Or maybe your pet has more than one health issue. Either way, we can help. The Pharmacy at PetSmart carries a wide range of medications, supplements, and prescription vitamins to help support your kitty’s health, like:

Cats provide us with so much entertainment, joy and love, so they deserve a little treat every now and then. Bring them home some catnip, a fun new cat toy, a cozy new cat bed or a yummy treat to cheer them up after they’ve been feeling down. Shop PetSmart’s cat supplies today.