Thyroid & Hormone

(18254 results)
Live Crickets
2 sizes
(5410)
$0.17
17¢ Each up to 35 Crickets | 16¢ Each on 36+ Crickets | 15¢ Each on 51+ Crickets | 14¢ Each on 76+ Crickets
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+ 1 more
Fresh Step Multi-Cat Clumping Litter With Febreze Freshness, Bag, 42 LB
(35043)
$19.99
$27.99
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Dr. Elsey's Precious Cat Ultra Clumping Multi-Cat Clay Cat Litter - Unscented, Low Tracking
2 sizes
(2568)
$12.99 - $20.99
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Purina® Pro Plan Sensitive Skin & Stomach Adult Dry Dog Food - Salmon & Rice, No Corn, Wheat or Soy
4 sizes 1 flavor
(6881)
$20.99 - $94.99
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Arm & Hammer™ Clump & Seal Slide Clumping Multi-Cat Clay Cat Litter - Low Dust
3 sizes
(5947)
$12.99 - $26.79
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+ 4 more
Fresh Step Simply Unscented Clumping Cat Litter, Bag, 42 LB
(7932)
$18.39
$27.99
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Purina® Tidy Cats® Free & Clean Natural Clumping Multi-Cat Clay Cat Litter - Unscented, Low Dust
2 sizes
(1778)
$11.49 - $19.69
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Purina® Pro Plan Complete Essentials Shredded Blend Adult Dry Dog Food - Chicken & Rice
6 sizes 1 flavor
(3435)
$16.59 - $96.49
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ExquisiCat Litter Multi-Cat Paper Pellet Cat Litter - Unscented, Low Dust, Low Tracking, Natural
2 sizes
(1808)
$13.99 - $19.99
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Arm & Hammer Double Duty Cat Litter Deodorizer
(1768)
$3.29
$7.99
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Authority® Sensitive Stomach & Skin All Life Stages Dry Dog Food - Salmon & Rice
4 sizes 1 flavor
(1365)
$17.99 - $71.99
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ExquisiCat Litter Multi-Cat Pine Pellet Cat Litter - Unscented, Low Dust, Low Tracking, Natural
3 sizes
(2341)
$11.17 - $19.99
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Joyhound® Smores Squeaker Plush Dog Toy
(24)
$1.47
$2.99
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Hill's® Science Diet® Sensitive Stomach & Skin Adult Dry Dog Food - Chicken & Barley
4 sizes 1 flavor
(1748)
$23.99 - $97.99
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Purina® Pro Plan Sensitive Skin & Stomach Adult Dry Dog Food - Lamb & Oat Meal, No Corn, Wheat Soy
3 sizes 1 flavor
(1509)
$20.69 - $77.49
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World's Best Cat Litter Multiple Cat Clumping Litter - Flushable, 99% Dust Free, Clumping, 28 LB
(7342)
$36.99
$39.99
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Arm & Hammer™ Clump & Seal Clumping Multi-Cat Clay Cat Litter - Low Dust
3 sizes
(12314)
$12.99 - $26.79
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Save $2 each when you buy 2+ Arm & Hammer Cat Litter, 38lb
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Purina® Fancy Feast® Gravy Lovers Wet Cat Food - Poultry & Beef, Variety Pack, 3 Oz, 30 Count
(271)
$25.79
$26.40
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Purina® Fancy Feast® Classic Pate Wet Cat Food - Poultry & Beef, Variety Pack, 3 Oz, 30 Count
(598)
$25.79
$26.40
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Simply Nourish® Original Adult Wet Dog Food - 10 Oz., Stew
1 size 2 flavors
(942)
$3.09
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Top Paw® X-Large Adhesive Dog Pads - 28" x 34"
(239)
$59.99
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Purina Pro Plan Sensitive Skin & Stomach Large Breed Adult Dry Dog Food - Salmon & Rice
2 sizes 1 flavor
(874)
$77.49 - $97.99
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+ 2 more
Purina Pro Plan Complete Essentials Shredded Blend Adult Dry Dog Food - Salmon & Rice
4 sizes 1 flavor
(1374)
$16.59 - $74.49
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Great Choice® X-Large Dog Pads - 28"L x 30"W
2 sizes
(2211)
$19.99 - $44.99
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Top Paw® Ultra XXL Dog Pads - 27.5"L x 44"W
(1253)
$39.99
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+ 3 more
Simply Nourish® Original Adult Dry Dog Food - Chicken & Brown Rice
4 sizes 1 flavor
(858)
$14.99 - $52.99
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Purina® Pro Plan® Veterinary Supplements FortiFlora-Probiotic Powder Supplement for Dogs - 30 Count
(1318)
$30.99
$33.99
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Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Turkey & Rice, 12.5 oz
(740)
$4.09
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+ 2 more
ExquisiCat Litter Premium Clumping Multi-Cat Clay Cat Litter - Unscented, Low Dust
3 sizes
(657)
$9.99 - $17.99
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+ 3 more
Friskies® Seafood Sensations Adult Cat Dry Food - Seafood
3 sizes 1 flavor
(9003)
$15.69 - $27.59
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+ 3 more
Arm & Hammer™ Double Duty Clumping Clay Cat Litter - Scented, Low Dust, Low Tracking
3 sizes
(3231)
$10.99 - $19.99
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+ 3 more
Purina® Tidy Cats® 24/7 Performance Clumping Multi-Cat Clay Cat Litter - Low Dust, 10 Day Odor
2 sizes
(6127)
$11.49 - $19.69
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+ 3 more
Live Giant Mealworms - 35 Count Cup
(379)
$3.99
Spend $250 on reptile terrariums and supplies earn 25,000 points ($50 back in savings)
Free Same-Day Delivery, No Order Minimum!
Petsmart Charities Chance & Friends Hippo Squeaker Plush Dog Toy
(36)
$2.47
$5.00
Buy 3 Get The 4th Free All Dog and Cat Toys
Sign In & Enjoy Free Shipping Over $49
Hill's Science Diet Perfect Weight Adult Dry Dog Food - Chicken
3 sizes 1 flavor
(1150)
$25.99 - $87.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 3 more
Purina® Pro Plan Large Breed Adult Dry Dog Food - Chicken & Rice
3 sizes 1 flavor
(1693)
$54.49 - $97.99
Save 40% on your 1st Purina or Merrick Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 3 more
Blue Buffalo® Life Protection Formula™ Adult Dry Dog Food - Chicken & Brown Rice
5 sizes 1 flavor
(2025)
$14.99 - $72.99
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+ 4 more
Simply Nourish® Original Adult Dry Dog Food - Lamb & Oatmeal
3 sizes 1 flavor
(652)
$14.99 - $47.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 3 more
Great Choice® Dog Pads - 23"L x 24"W
2 sizes
(3098)
$14.99 - $34.99
Buy 1, Get the 2nd 25% ALL Disposable Dog Pads
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+ 3 more
Inaba Churu Puree Lickable Cat Treat Variety Pack - Tuna & Chicken, 50 Count
(428)
$32.99
$42.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
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Looking for a place to fill your prescription for thyroid & hormone meds for horses or other livestock? The Pharmacy at PetSmart is your trusted pharmacy for all the medications your animal needs. At PetSmart, we know how important it is to you to keep your horses and cattle healthy, which is why we carry high-quality pharmaceuticals to help treat their health concerns. We have a great selection of livestock thyroid medication and are always here to help you give your horses and cows the best care possible.
 
Your first step should always be a consultation with a vet for a proper diagnosis, dosing instructions, and to discuss the correct way to administer medications to your livestock animals. Always speak to a veterinarian as a prescription is required to purchase thyroid & hormone medication for horses and livestock animals from The Pharmacy at PetSmart. 
 
Now that you’ve found the livestock thyroid medication that you need, is there anything else you’re looking for? The Pharmacy at PetSmart carries a great selection of medications, vitamins and supplements to help your animal live a happy life, including: