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Equine Diseases
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Learn all you need to about the most common and most unique horse diseases from around the world.

Not sure which disease your horse has, check out Happie Horse’s Symptom Checker to find out what your horse’s symptoms indicate.

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Rabies is a fatal but preventable viral disease that affects the nervous system and causes encephalitis, the inflammation of the brain and spinal cord
Virus & Infektion

Rabies in Horses

Equine Rabies This disease is fatal and reportable, it cannot be cured or adequately treated and is expected to result

A bruised sole in horses is a condition where the horse's sole (the bottom part of the hoof) becomes tender and painful due to trauma or injury, often resulting in inflammation and discomfort.
Hoof Diseases

Bruised Sole in Horses

Bruised Sole Seek veterinary advice if you suspect this disease. Bruised soles are one of the most common causes of

Blue-green algae toxicity in horses manifests through symptoms like gastrointestinal distress, neurological issues, and liver damage due to ingestion of cyanotoxins from contaminated water sources.
Poisoning

Blue-green Algae Toxicity in Horses

Blue-green Algae Toxicity This disease is life-threatening and should be treated by a veterinarian swiftly. Blue-green algae, or cyanobacteria, are

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Osteochondrosis in horses is a developmental orthopedic disease where abnormal cartilage and bone formation leads to joint pain and lameness.
Bone Disease

Osteochondrosis

Osteochondrosis Seek veterinary advice before applying any treatment Osteochondrosis is a prevalent developmental orthopedic disease mostly found in growing horses.

Osteoarthritis in horses is a degenerative joint disease characterized by the breakdown of cartilage, leading to pain, stiffness, and reduced mobility.
Bone Disease

Osteoarthritis

Osteoarthritis Seek veterinary advice before applying any treatment Osteoarthritis is the most common type of arthritis in the horse and

Fistulous withers in horses is a chronic inflammatory condition affecting the withers, often resulting in abscesses and draining tracts.
Bone Disease

Fistulous Withers

Fistulous Withers Seek veterinary advice if you suspect this disease. Fistulous withers is a chronic inflammatory skin disease characterised by

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Mud fever, or pastern dermatitis, is a skin condition in horses marked by inflammation and scabbing on the lower limbs, often exacerbated by wet or muddy environments

Mud Fever (Pastern dermatitis)

Mud Fever (Pastern dermatitis) Seek veterinary advice before applying any treatment. Mud Fever is often caused by bacteria in wet environments. It is a non-contagious skin disease. When the skin softens due to long exposure to wetness, in combination with mud that rubs against and damages it, bacteria can enter. This most often occurs on the lower legs, horses with feathering are more prone to it since the feathering doesn’t dry well and hold on to mud more. Another cause

equine sinusitis horse chronic acute

Acute and Chronic Equine Sinusitis

Chronic and acute Equine Sinusitis Seek veterinary advice if you suspect this disease. Sinusitis refers to inflammation or infection of one or more of the paranasal sinuses, and it is the most commonly encountered disease of the paranasal sinuses. It is classified as either primary or secondary, and acute or chronic. Primary sinusitis is defined as an infection in the sinus, usually bacterial in origin, which results in a buildup of pus within the sinus. Primary sinusitis is typically the

Entrapment Colic Gas Colic Impaction Colic Sand Colic Spasmodic Colic Strangulation Colic

Equine Colic

Equine Colic This disease is life-threatening and should be treated by a veterinarian swiftly. There are several types of Colics with different causes: Entrapment Colic – caused by colonic motility dysfunction or an accumulation of gas Gas Colic – caused when a horse ingests forage that is high in sugar, causing excessive fermentation in the gut, creating a buildup of gas Impaction Colic – caused by an obstruction in the bowel due to dry, firm feed or foreign materials Sand