Date published: 2025-9-10

1-800-457-3801

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Seach Input

Legend®

by Merial
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FDA approved hyaluronate sodium joint injection for horses with arthritis that supports proper joint lubrication
    • Equine hyaluronate sodium joint injection
    • Treats joint dysfunction of the carpus or fetlock due to non-infectious synovitis
    • Helps reduce joint inflammation and associated pain and lameness in horses
    • Ideal for horses with equine osteoarthritis and joint inflammation
    • Sterile solution, no mixing required
Catalog #DescriptionPriceQtyAutoshipCARTFAVORITES
sc-362842Rx
4 ml
$116.20
sc-362843Rx
20 ml
$559.29
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Traumatic synovitis can occur after repeated episodes of trauma such as every day use, training, or performance.

In horses, synovitis is very common in high-motion joints such as the carpus and fetlock, and it is a major cause of early retirement for equine athletes. Over time, repetitive trauma can damage the joint capsule, synovial lining, cartilage and even the subchondral bone, leading to equine osteoarthritis.

Legend® is an injectable solution approved by the FDA for the treatment of joint dysfunction of the carpus or fetlock in horses due to non-infectious synovitis associated with equine osteoarthritis. It contains the active ingredient hyaluronic acid (HA) in the form of sodium hyaluronate. This hyaluronic acid originates from a microbial source, so there is no potential for contamination with dermatan or chondroitin sulfate, or any other glycosaminoglycan. Hyaluronic acid is a naturally occurring substance found in the joint synovial fluid; it is responsible for supporting the viscosity of synovial fluid and promotes proper joint lubrication. Studies have shown that injection of hyaluronic acid directly into the joint capsule promotes healing of the inflamed synovium by restoring proper lubrication.

Legend® helps reduce joint inflammation in horses and the associated pain and lameness. Treatment may be repeated weekly for a total of 3 treatments. Safety regarding the use of Legend® in breeding stallions or in breeding, pregnant, or lactating mares has not been determined.

Supplied as a 4 ml or 20 ml bottle of sterile, ready to use solution. Legend® 4 ml and Legend® 20 ml are approved only for I.V. use. Needles and syringes sold separately.

Please note this product requires a veterinarian's prescription for purchase.

Legend - Graphic showing the difference between a healthy joint, and one with Synovitis

Click here for Boehringer Ingelheim rebates

(Directs to external Boehringer Ingelheim website)

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