Horses Symptoms

Browse 75 guides from veterinary sources about horses symptoms.

Blood in Horse Stool: Causes, Severity & When to Call the Vet

Blood in horse stool can signal colitis, rectal injury, parasites, or severe gut disease. Learn urgent warning signs,...

Blood in Horse Urine: Possible Causes & Red-Flag Symptoms

Blood in a horse’s urine can signal bladder irritation, kidney disease, stones, trauma, or muscle breakdown. Learn...

Foal Diarrhea: Common Causes, Red Flags & When It’s an Emergency

Foal diarrhea can be mild or life-threatening. Learn common causes, red flags, emergency signs, vet care options, and...

Foal Not Nursing: Causes, Emergencies & First Steps

Foal not nursing? Learn urgent causes, red-flag signs, first steps, vet treatment options, and realistic 2026 US cost...

Foal Straining and Not Passing Manure: Meconium or Emergency GI Problem?

Foal straining and not passing manure can mean meconium impaction or a life-threatening emergency. Learn red flags, vet...

Horse Bad Breath: Dental Disease, Infection or Digestive Clue?

Horse bad breath often points to dental disease, tooth infection, sinus trouble, or choke. Learn when to monitor, when...

Horse Bloat or Abdominal Distension: Gas, Colic or Emergency?

Horse abdominal distension can signal gas colic, impaction, or life-threatening rupture. Learn red flags, vet steps,...

Horse Bloody Nose or Blood-Tinged Nasal Discharge: Causes & Emergencies

Horse bloody nose? Learn urgent causes like guttural pouch mycosis, EIPH, trauma, and when your vet should see your...

Horse Cloudy Eye: Corneal Ulcer, Uveitis or Injury?

Horse cloudy eye can signal corneal ulcer, uveitis, or trauma. Learn urgent warning signs, vet tests, treatment...

Horse Colic Signs: Early Symptoms, Emergencies & What Owners Should Do

Learn early horse colic signs, when it becomes an emergency, what your vet may do, and safe first steps at home while...

Horse Constipation: Signs, Causes & When It Could Be an Impaction

Horse constipation can signal dehydration, low gut motility, or impaction colic. Learn warning signs, causes, vet care,...

Horse Coughing: Causes, When to Worry & What to Do

Horse coughing can signal dust irritation, equine asthma, infection, or choke. Learn red flags, vet tests, home care,...

Horse Depression or Dullness: Causes, Red Flags & Next Steps

Horse acting dull or depressed? Learn common causes, urgent red flags, what your vet may check, home care steps, and...

Horse Diarrhea: Causes, When It’s an Emergency & What to Do

Horse diarrhea can signal stress, diet upset, infection, or life-threatening colitis. Learn emergency signs, vet care,...

Horse Difficulty Chewing: Causes, Dental Clues & When to Act

Horse difficulty chewing often points to dental pain, quidding, or oral disease. Learn common causes, red flags, vet...

Horse Down and Can’t Get Up: Emergency Steps Before the Vet Arrives

Horse down and can’t get up? Learn emergency steps before your vet arrives, common causes, warning signs, treatment...

Horse Drooling: Mouth Problem, Toxin, Choke or Dental Disease?

Horse drooling can signal choke, mouth injury, dental disease, or toxin exposure. Learn when to monitor, when to call...

Horse Dropping Feed or Quidding: Dental Problem Signs in Horses

Horse dropping feed or quidding often points to dental pain. Learn common causes, when to see your vet, treatment...

Horse Ear Discharge: Infection, Mites or Injury?

Horse ear discharge can signal mites, infection, or injury. Learn urgent warning signs, vet care options, home steps,...

Horse Ear Drooping: Ear Injury, Infection or Nerve Problem?

Horse ear drooping can signal trauma, ear infection, or facial nerve damage. Learn when to monitor, when to call your...

Horse Excessive Sweating: Normal Heat, Pain or Emergency?

Horse sweating can be normal after heat or work, but heavy sweating at rest may signal pain, colic, tying-up, or heat...

Horse Excessive Thirst: Why Is My Horse Drinking So Much?

Horse drinking more than usual? Excessive thirst can point to heat loss, diet changes, PPID, kidney disease, or...

Horse Eye Discharge: Causes, Eye Emergencies & Home Checks

Horse eye discharge can signal irritation, infection, ulcer, or uveitis. Learn urgent warning signs, home checks, vet...

Horse Fast Breathing at Rest: Causes & When It’s Serious

Horse breathing fast at rest can signal pain, fever, asthma, or pneumonia. Learn urgent warning signs, vet tests, home...

Horse Feed Coming Out of the Nose: Choke Signs & Emergency Care

Feed from a horse’s nose is often choke, an emergency. Learn warning signs, what to do now, vet treatment options, and...

Horse Frequent Urination: Why Is My Horse Peeing So Much?

Horse peeing more than usual? Learn common causes, red flags, vet tests, home care, and realistic 2026 U.S. cost ranges...

Horse Gas Colic: Symptoms, What Helps & When to Call the Vet

Horse gas colic can range from mild discomfort to an emergency. Learn symptoms, what may help, when to call your vet,...

Horse Hair Loss: Causes, Itching Clues & When to Treat

Horse hair loss can come from lice, mites, ringworm, rain rot, allergies, or rubbing. Learn itching clues, vet tests,...

Horse Head Shaking: Allergy, Ear Problem, Nerve Pain or Other Causes

Horse head shaking can stem from allergies, ear or eye pain, dental disease, or trigeminal nerve pain. Learn when to...

Horse Head Tilt: Ear Disease, Neurologic Causes & Red Flags

Horse head tilt can signal ear infection, vestibular disease, EPM, or trauma. Learn red flags, vet workup, home care,...

Horse Hives: Allergic Reactions, Triggers & When It’s an Emergency

Horse hives can follow insect bites, drugs, feed, or environmental allergens. Learn common triggers, emergency signs,...

Horse Isolating From the Herd: Illness, Pain or Stress?

Horse isolating from the herd can signal pain, colic, fever, lameness, or stress. Learn when to monitor, when to call...

Horse Itching: Why Is My Horse So Itchy?

Horse itching can stem from sweet itch, lice, mites, pinworms, hives, or skin infection. Learn causes, when to call...

Horse Labored Breathing: Emergency Signs, Causes & Immediate Steps

Horse labored breathing is an emergency. Learn red-flag signs, common causes, what to do now, and what your vet may...

Horse Lethargy: Causes, When to Worry & What to Do

Horse lethargy can signal colic, fever, dehydration, pain, or infection. Learn urgent warning signs, likely causes, vet...

Horse Limping: Causes, Severity & When Lameness Is an Emergency

Horse limping can signal anything from a hoof abscess to laminitis or fracture. Learn urgent warning signs, vet steps,...

Horse Loss of Appetite: Causes, When to Call the Vet & What to Check

Horse not eating? Learn common causes, red-flag signs, what to check at home, when to call your vet, and typical 2026...

Horse Lumps and Bumps: Common Causes, What to Monitor & When to Biopsy

Horse lumps and bumps can be harmless or serious. Learn common causes, warning signs, biopsy decisions, and what your...

Horse Muscle Wasting: Topline Loss, Weakness & Underlying Causes

Horse muscle wasting can signal PPID, dental disease, EPM, poor nutrition, or pain. Learn when to call your vet, likely...

Horse Nasal Discharge: Clear, Cloudy, Bloody or Feed From the Nose

Horse nasal discharge can signal allergies, infection, choke, sinus disease, or bleeding. Learn when to monitor,...

Horse Noisy Breathing: Wheezing, Roaring, Stertor & What It Means

Horse noisy breathing can signal asthma, roaring, infection, or airway blockage. Learn when to monitor, when to call...

Horse Not Drinking Water: Causes, Risks & What to Do

Horse not drinking water? Learn common causes, dehydration and colic risks, when to call your vet, home steps, and...

Horse Not Sweating: Anhidrosis Signs, Risks & What to Do

Horse not sweating? Learn anhidrosis signs, heat-stress risks, when to call your vet, treatment options, home care, and...

Horse Paralysis or Severe Weakness: Neurologic Emergencies Explained

Horse paralysis or severe weakness is an emergency. Learn urgent causes, what your vet may test for, treatment options,...

Horse Pica: Eating Dirt, Wood, Bedding or Manure

Horse eating dirt, wood, bedding, or manure? Learn common causes, when to call your vet, home care steps, and realistic...

Horse Priapism or Paraphimosis: When a Prolapsed Penis Is an Emergency

A prolapsed horse penis can become an emergency fast. Learn causes, red flags, vet treatment options, home care, and...

Horse Red Eye: Causes, Corneal Ulcer Risks & When to Call the Vet

Horse red eye can signal conjunctivitis, trauma, uveitis, or a corneal ulcer. Learn urgent warning signs, vet care...

Horse Reluctant to Move: Pain, Laminitis or Colic?

Horse reluctant to move? It may signal laminitis, colic, hoof pain, tying-up, or injury. Learn red flags, vet steps,...

Horse Restlessness or Pawing: Colic Sign or Minor Discomfort?

Horse pawing or restlessness can signal colic, ulcers, or stress. Learn red flags, when to call your vet, likely tests,...

Horse Retching or Gagging: Choke, Airway Problem or Esophageal Obstruction?

Horse retching or gagging can signal choke, airway trouble, or esophageal blockage. Learn red flags, vet care, home...

Horse Scabs or Rain Rot: Causes, Treatment & Prevention

Horse rain rot causes painful scabs and hair loss in wet weather. Learn causes, treatment options, home care,...

Horse Seizures: Emergency Causes, First Steps & Vet Care

Horse seizures are an emergency. Learn urgent causes, safe first steps, what your vet may do, and realistic 2026 US...

Horse Skin Rash: Causes, Pictures to Compare & When to Call the Vet

Horse skin rash can mean hives, rain rot, ringworm, parasites, or photosensitization. Learn what to watch for and when...

Horse Sneezing: Common Causes, Home Checks & Vet Red Flags

Horse sneezing can be mild dust irritation or a sign of infection, sinus disease, or dental trouble. Learn home checks,...

Horse Squinting or Eye Pain: Urgent Causes & What Owners Should Do

Horse squinting or eye pain can signal a corneal ulcer, uveitis, or trauma. Learn urgent warning signs, vet care...

Horse Stiffness: Arthritis, Muscle Soreness or Something More Serious?

Horse stiffness can mean arthritis, tying-up, hoof pain, or neurologic disease. Learn red flags, vet workup, home care,...

Horse Straining to Poop: Constipation, Colic or Rectal Problem?

Horse straining to poop can signal constipation, colic, or a rectal injury. Learn red flags, vet care options, home...

Horse Straining to Urinate: Causes, Emergencies & What to Watch For

Horse straining to urinate can signal colic, cystitis, bladder stones, or blockage. Learn red flags, what to watch for,...

Horse Stumbling or Tripping: Hoof Pain, Weakness or Neurologic Disease?

Horse stumbling can signal hoof pain, lameness, weakness, or neurologic disease. Learn urgent red flags, vet workups,...

Horse Tail Rubbing: Parasites, Allergies or Skin Disease?

Horse tail rubbing often points to pinworms, insect allergy, lice, or skin irritation. Learn when to monitor, when to...

Horse Tremors or Shaking: Causes, Toxins & Emergency Warning Signs

Horse tremors can signal pain, toxins, low calcium, tying-up, or neurologic disease. Learn emergency warning signs, vet...

Horse Urinary Incontinence: Causes, Neurologic Concerns & Next Steps

Horse urinary incontinence can signal bladder, urinary tract, or neurologic disease. Learn common causes, red flags,...

Horse Vocalization Changes: Why Is My Horse Whinnying More or Less?

Horse whinnying more or less can reflect stress, pain, herd separation, or airway disease. Learn when to monitor, when...

Horse Vomiting: What Owners Mean, Rare True Vomiting & Emergencies

Horse vomiting is rare and often means choke, reflux, or severe colic. Learn emergency signs, what your vet may do, and...

Horse Weight Gain or Pot Belly: Fat, Bloat, Worms or Hormonal Disease?

Horse pot belly or weight gain can mean fat, hay belly, parasites, colic, or PPID/EMS. Learn red flags, vet tests, home...

Horse Weight Loss: Causes, Body Condition Changes & When to Investigate

Horse weight loss can signal dental disease, ulcers, parasites, pain, or PPID. Learn body condition changes, red flags,...

Horse Wobbly Gait or Ataxia: Neurologic Causes & Safety Concerns

Horse ataxia can signal EPM, wobblers, EHV-1, trauma, or toxins. Learn urgent warning signs, safety steps, vet testing,...

Hot, Swollen or Painful Skin Lesion in a Horse: Infection or Bite Reaction?

Hot, swollen skin on a horse may be a bite reaction, cellulitis, or abscess. Learn when to monitor, when to call your...

Mare Abortion Signs: Warning Symptoms Before or After Pregnancy Loss

Mare abortion signs can include vaginal discharge, udder development, colic-like pain, or passing a fetus or placenta....

Mare Trouble Foaling: Dystocia Signs & Emergency Actions

See your vet immediately if a mare is struggling to foal. Learn dystocia signs, red bag warning signs, emergency...

Mare Udder Swelling or Mastitis: Signs, Pain & What to Do

Mare udder swelling can mean mastitis, edema, or milk buildup. Learn warning signs, pain clues, vet care options, and...

Mare Vaginal Discharge: Normal Heat, Infection or Reproductive Problem?

Mare vaginal discharge can be normal heat mucus or a sign of infection, urine pooling, placentitis, or postpartum...

Retained Placenta in a Mare: Symptoms, Risks & When to Call the Vet

Retained placenta in mares is an emergency after foaling. Learn key signs, risks like metritis and laminitis, vet...

Stallion Penile Swelling or Discharge: Causes, Infection & Emergencies

Stallion penile swelling or discharge can signal trauma, infection, paraphimosis, or tumors. Learn emergencies, vet...

Sudden Aggression or Behavior Change in Horses: Pain, Illness & Warning Signs

Sudden aggression in horses can signal pain, colic, ulcers, neurologic disease, or stress. Learn warning signs, when to...

Medical Disclaimer

The information provided on this page is for general informational and educational purposes only and is not intended as a substitute for professional veterinary advice, diagnosis, or treatment. This content is not a diagnostic tool. Symptoms described may indicate multiple conditions, and only a licensed veterinarian can provide an accurate diagnosis after examining your animal. Never disregard professional veterinary advice or delay seeking it because of something you have read on this website. Always seek the guidance of a qualified, licensed veterinarian with any questions you may have regarding your pet’s health or a medical condition. Use of this website does not create a veterinarian-client-patient relationship (VCPR) between you and SpectrumCare or any veterinary professional. If you believe your pet may have a medical emergency, contact your veterinarian or local emergency animal hospital immediately.