AmericanaPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Memorial Day Savings are here

|
Shop Now
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

A boy outside with a dog. A man is on one knee in the background.
A boy outside with a dog. A man is on one knee in the background.

Horse Allergy & Immune Support

  1. Home

  2. /

  3. Horse

  4. /

  5. Horse Health & Wellness

  6. /

  7. Horse Supplements

  8. /

  9. Horse Allergy & Immune Support

{"store_id":2314,"page_number":1,"category":"Horse>Horse Health & Wellness>Horse Supplements>Horse Allergy & Immune Support","keywords":"horse-allergy-immune-support","item":"134940499,226414199,146803599,134542699,134940599,118290999,118312099,113348599,199690999,151040699,254414399,199691299,254414599,257791199,254513299,113348699,254413299,254391799,157542299,199691099,254321999,157541599,157542099,157542399,157541799,157541699,605702099,605697999,605696799,605695499,157542199,254375799,257791099,157541499,254416099,605698999,157541899,157541999,257783999,605697499,157540899,257759899,157540999,157541199,157541399,157540699,157540799,157541299,157541099,206239499","filters":[],"availability":"","price":"","id":""}
Pickup
Delivery

Smart Supply eligible

Auto order and save everyday

Sort by Most Popular
Pickup
Delivery

Horse Allergy & Immune Support (62)

AniMed Anihist-H Horse Allergy Supplement, 20 oz.
AniMed Anihist-H Horse Allergy Supplement, 20 oz.

AniMed Anihist-H Horse Allergy Supplement, 20 oz.

4.4

(77)

$39.99

$39

.99

See price at checkout

AniMed Anihist-H Horse Allergy Gel Syringe, 60ml
AniMed Anihist-H Horse Allergy Gel Syringe, 60ml

AniMed Anihist-H Horse Allergy Gel Syringe, 60ml

3.0

(2)

$13.59

$13

.59

See price in cart

Farnam Cough Free Pellets for Horses, 1.75 lb.
Farnam Cough Free Pellets for Horses, 1.75 lb.

Farnam Cough Free Pellets for Horses, 1.75 lb.

3.9

(55)

$33.99

$33

.99

Finish Line Air Power Equine Cough Treatment, 0.5 oz.
Finish Line Air Power Equine Cough Treatment, 0.5 oz.

Finish Line Air Power Equine Cough Treatment, 0.5 oz.

4.5

(46)

$5.99

$5

.99

AniMed ULC-R-Aid Horse Ulcer Supplement, 4 lb.
AniMed ULC-R-Aid Horse Ulcer Supplement, 4 lb.

AniMed ULC-R-Aid Horse Ulcer Supplement, 4 lb.

4.7

(27)

$29.99

$29

.99

MicrocynAH Ophthalmic Gel, 3 oz.
MicrocynAH Ophthalmic Gel, 3 oz.

MicrocynAH Ophthalmic Gel, 3 oz.

4.6

(31)

$20.99

$20

.99

MicrocynAH Pink Eye Spray, 16 oz.
MicrocynAH Pink Eye Spray, 16 oz.

MicrocynAH Pink Eye Spray, 16 oz.

4.4

(16)

$36.99

$36

.99

Finish Line Air Power Natural Equine Cough Syrup, 16 oz.
Finish Line Air Power Natural Equine Cough Syrup, 16 oz.

Finish Line Air Power Natural Equine Cough Syrup, 16 oz.

4.6

(37)

$19.99

$19

.99

UltraCruz Equine Skin and Allergy Supplements for Horses, 10 lb.
UltraCruz Equine Skin and Allergy Supplements for Horses, 10 lb.

UltraCruz Equine Skin and Allergy Supplements for Horses, 10 lb.

4.8

(550)

$89.99

$89

.99

Elevate Maintenance Powder for Horses, 2 lb.
Elevate Maintenance Powder for Horses, 2 lb.

Elevate Maintenance Powder for Horses, 2 lb.

4.8

(103)

$59.99

$59

.99

Heiro Equine Insulin Resistance Supplement Powder
Heiro Equine Insulin Resistance Supplement Powder

Heiro Equine Insulin Resistance Supplement Powder

4.0

(5)

$58.99-
$269.99

$58

.99

-

$269

.99

UltraCruz Equine Skin and Allergy Supplements for Horses, 2 lb.
UltraCruz Equine Skin and Allergy Supplements for Horses, 2 lb.

UltraCruz Equine Skin and Allergy Supplements for Horses, 2 lb.

4.8

(550)

$85.99

$85

.99

Health-E Max Maximum Strength Vitamin E Supplement for Horses, 500g
Health-E Max Maximum Strength Vitamin E Supplement for Horses, 500g

Health-E Max Maximum Strength Vitamin E Supplement for Horses, 500g

0.0

(0)

$84.99

$84

.99

Spectra Respion Equine Respiratory Support QT
Spectra Respion Equine Respiratory Support QT

Spectra Respion Equine Respiratory Support QT

0.0

(0)

$44.99

$44

.99

Cyproheptadine HCL Tablet, 4 mg
Cyproheptadine HCL Tablet, 4 mg

Rx Cyproheptadine HCL Tablet, 4 mg

0.0

(0)

$0.79

$0

.79

Finish Line Air Power Natural Equine Cough Syrup, 34 oz.
Finish Line Air Power Natural Equine Cough Syrup, 34 oz.

Finish Line Air Power Natural Equine Cough Syrup, 34 oz.

4.9

(29)

$44.99

$44

.99

Showing1-50of 62 items

  • 1
  • 2

Items per page:50|100|150|200

Compare

Add up to 4 items

Top Rated

  1. Top Rated
    16 ft. x 50 in. Max 50 Feedlot 10-Line Galvanized Cattle Fence Panel
    4.8 out of 5 stars with 2461 reviews
    4.8 (2461)

    Unbranded16 ft. x 50 in. Max 50 Feedlot 10-Line Galvanized Cattle Fence Panel
  2. Bad Boy Magnum 54 in., 24 hp Gas Zero-Turn Mower, Kohler Engine
    4.6 out of 5 stars with 226 reviews
    4.6 (226)

    Bad Boy Magnum 54 in., 24 hp Gas Zero-Turn Mower, Kohler Engine
  3. Rubber Stall Mat
    4.6 out of 5 stars with 4923 reviews
    4.6 (4923)

    UnbrandedRubber Stall Mat
  4. Winchester Safes 36 Long Gun 22.5 cu. ft. Electronic Lock Gun Safe, 45 Min. Fire Rating, Slate
    4.5 out of 5 stars with 3541 reviews
    4.5 (3541)

    Winchester Safes 36 Long Gun 22.5 cu. ft. Electronic Lock Gun Safe, 45 Min. Fire Rating, Slate
  5. Subscription Eligible
    Black Utility Rubber Stall Mat
    4.6 out of 5 stars with 1005 reviews
    4.6 (1005)

    UnbrandedBlack Utility Rubber Stall Mat
  6. Carry-On Trailer 5 x 8ft. Wood Floor Utility Trailer, 1,500 lb. Max Capacity
    4.5 out of 5 stars with 1396 reviews
    4.5 (1396)

    Carry-On Trailer 5 x 8ft. Wood Floor Utility Trailer, 1,500 lb. Max Capacity
  7. Winchester Safes 20 Long Gun 14.2 cu. ft. Electronic Lock Gun Safe, 30 Min. Fire Rating, Black
    4.5 out of 5 stars with 3559 reviews
    4.5 (3559)

    Winchester Safes 20 Long Gun 14.2 cu. ft. Electronic Lock Gun Safe, 30 Min. Fire Rating, Black
  8. Top Rated
    Tractor Supply Pelletized Bedding for Horses and Small Animals, 40 lb.
    4.8 out of 5 stars with 8911 reviews
    4.8 (8911)

    Tractor Supply Pelletized Bedding for Horses and Small Animals, 40 lb.
  9. Top Rated
    6 ft. Studded T-Post, 1.25 lb. per ft. with Anchor Plate
    4.8 out of 5 stars with 1307 reviews
    4.8 (1307)

    Unbranded6 ft. Studded T-Post, 1.25 lb. per ft. with Anchor Plate
  10. Cub Cadet Z2 54 in. Zero Turn Mower
    4.5 out of 5 stars with 46 reviews
    4.5 (46)

    Cub Cadet Z2 54 in. Zero Turn Mower
  11. Subscription Eligible
    Royal Wing Black Oil Sunflower Wild Bird Food
    4.7 out of 5 stars with 10557 reviews
    4.7 (10557)

    Royal Wing Black Oil Sunflower Wild Bird Food
    Choose Options
  12. Producer's Pride 8 x 8ft. Universal Poultry Pen, 24 Chicken Capacity
    4.5 out of 5 stars with 3199 reviews
    4.5 (3199)

    Producer's Pride 8 x 8ft. Universal Poultry Pen, 24 Chicken Capacity

Customer Favorites

  1. Subscription Eligible
    AniMed Anihist-H Horse Allergy Supplement, 20 oz.
    4.4 out of 5 stars with 77 reviews
    4.4 (77)

    AniMed Anihist-H Horse Allergy Supplement, 20 oz.
  2. Finish Line Air Power Equine Cough Treatment, 0.5 oz.
    4.5 out of 5 stars with 46 reviews
    4.5 (46)

    Finish Line Air Power Equine Cough Treatment, 0.5 oz.
  3. AniMed ULC-R-Aid Horse Ulcer Supplement, 4 lb.
    4.7 out of 5 stars with 27 reviews
    4.7 (27)

    AniMed ULC-R-Aid Horse Ulcer Supplement, 4 lb.
  4. Farnam Cough Free Pellets for Horses, 1.75 lb.
    3.9 out of 5 stars with 55 reviews
    3.9 (55)

    Farnam Cough Free Pellets for Horses, 1.75 lb.
  5. MicrocynAH Pink Eye Spray, 16 oz.
    4.4 out of 5 stars with 16 reviews
    4.4 (16)

    MicrocynAH Pink Eye Spray, 16 oz.
  6. Finish Line Air Power Natural Equine Cough Syrup, 16 oz.
    4.6 out of 5 stars with 37 reviews
    4.6 (37)

    Finish Line Air Power Natural Equine Cough Syrup, 16 oz.
  7. Heiro Equine Insulin Resistance Supplement Powder
    4.0 out of 5 stars with 5 reviews
    4.0 (5)

    Heiro Equine Insulin Resistance Supplement Powder
    Choose Options
  8. Top Rated
    Elevate Maintenance Powder for Horses, 2 lb.
    4.8 out of 5 stars with 103 reviews
    4.8 (103)

    Elevate Maintenance Powder for Horses, 2 lb.
  9. Top Rated
    Wind Aid Breathing Aid for Horses
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Wind Aid Breathing Aid for Horses
    Choose Options
  10. Equi-Tussin Cough Syrup for Horses, 1 qt.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Equi-Tussin Cough Syrup for Horses, 1 qt.
  11. Top Rated
    UltraCruz Equine Skin and Allergy Supplements for Horses, 10 lb.
    4.8 out of 5 stars with 550 reviews
    4.8 (550)

    UltraCruz Equine Skin and Allergy Supplements for Horses, 10 lb.
  12. Top Rated
    UltraCruz Equine Skin and Allergy Supplements for Horses, 2 lb.
    4.8 out of 5 stars with 550 reviews
    4.8 (550)

    UltraCruz Equine Skin and Allergy Supplements for Horses, 2 lb.

Related Categories

  • Horse Treats
  • Small Animal Hay
  • Small Animal Treats
  • Game Feed & Minerals
  • Immune System Support for Dogs
  • Dog Supplements For Itchy Skin
  • Dog Food For Immune System
  • Platinum Horse Supplement
  • Horse Liquid Feed Supplements
  • Equine Ulcer Supplements
  • Foal Supplements
  • Dog Food For Allergies

Related Articles

  • Give Pets Much-Needed Seasonal Allergy Relief with These Solutions

    Give Pets Much-Needed Seasonal Allergy Relief with These Solutions

  • Supporting Your Pet’s Digestion

    Supporting Your Pet’s Digestion

  • Horse Grooming Kit

    Horse Grooming Kit

  • Hoofcare for Horses

    Hoofcare for Horses

Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.

Sign in for a better experience

Unlock deals, rewards & more.