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Symptoms

Loss of appetite

The animal eats less or refuses to eat. Prolonged fasting is a concern, especially in cats.

Diseases that may be associated

These signs can have several origins — this list is neither exhaustive nor a diagnosis.

Columnariasis (cotton mouth disease)

Siamese fighting fish, Guppy · Bacterial · Infectious

Stress linked to captivity in octopus

Common octopus, Day octopus · Environmental · Digestives

Pogona intestinal impaction

Leopard gecko, Bearded dragon · Other · Digestives

Intestinal parasitism by nematodes in monitor lizards

Perentie · Parasitic · Parasites

Visceral gout of the monitor lizard

Perentie · animalia::front.disease_types.métabolique · Urinary and renal

Lead poisoning (Avian lead poisoning)

Kea · Other · Digestives

Bacterial skin necrosis of octopus

Common octopus, Day octopus · Bacterial · Infectious

Beluga gastrointestinal parasitism (roundworms)

Beluga whale · Parasitic · Parasites

Opportunistic skin mycoses of the manta ray

Giant manta ray · Fungal · Infectious

Infectious stomatitis of monitor lizards (rotten mouth)

Bearded dragon, Komodo dragon · Bacterial · Infectious

Body Inclusion Disease (Boid Arenavirus)

Cape cobra, Gaboon viper · Viral · Infectious

Feline hepatic lipidosis

Cat · Other · Digestives

Feline pancreatitis

Cat · Other · Digestives

Feline triadite

Cat · Other · Digestives

Fowlpox

Chicken, Turkey · Viral · Infectious

Wombat dental malocclusion

Common wombat · Other · Dental and oral

Squirrel dental malocclusion

Barbary ground squirrel · Other · Dental and oral

Ulcerative stomatitis of the turtle

Greek tortoise · Bacterial · Infectious

Infectious snake stomatitis (mouth rot)

Montpellier snake, Cape cobra · Bacterial · Infectious

Intestinal parasitism by nematodes in snakes

Leopard gecko, Bearded dragon · Parasitic · Parasites

Chinchilla dental malocclusion

Chinchilla · Other · Dental and oral

Chinchilla gastrointestinal stasis

Leopard gecko, Chinchilla · Environmental · Digestives

Bezoar (trichobezoar) of the chinchilla

Chinchilla · Other · Digestives

Ruminal acidosis of sheep

Sheep, Goat · Other · Digestives

Pregnancy toxemia in sheep

Sheep, Goat · Other · Reproduction

Abomasal displacement

Cow · Other · Digestives

Traumatic reticuloperitonitis

Cow · Other · Digestives

Dairy cow ketosis

Cow · Other · Digestives

Ruminal acidosis

Cow · Other · Digestives

Feline lymphoma

Cat · Other · Digestives

Periodontal disease

Dog, Cat · Other · Dental and oral

Linear foreign body of the cat

Cat · Other · Digestives

Feline Cholangitis

Cat · Other · Infectious

Cat tapeworms

Cat · Parasitic · Parasites

Transmissible to humans

Dog digestive foreign body

Dog · Other · Digestives

Canine chronic hepatitis

Dog · Other · Digestives

Intestinal obstruction in dogs

Dog · Other · Digestives

Addison's disease in dogs

Dog · Other · Digestives

Chronic gastritis in cats

Cat · Other · Digestives

Rubarth's hepatitis

Dog · Viral · Infectious

Leopard gecko dental malocclusion

Leopard gecko · Other · Dental and oral

Velvet disease (Oodiniosis)

Siamese fighting fish, Guppy · Parasitic · Parasites

Avian polyomavirus

Cockatiel, Rosy-faced lovebird · Viral · Infectious

Avian chlamydia (psittacosis)

Cockatiel · Bacterial · Infectious

Transmissible to humans

Ovine mycotoxicoses

Sheep, Goat · Environmental · Digestives

Eagle roundworms (gastrointestinal helminthosis)

Wedge-tailed eagle, Kea · Parasitic · Parasites

Kea papilloma (psittacine papillomatous disease)

Kea · Viral · Infectious

Vibrio infection in octopus

Common octopus, Day octopus · animalia::front.disease_types.bactérienne · Infectious

Transmissible to humans

Octopus gill mycosis

Common octopus · Fungal · Infectious

Pogona prolapse (rectal or hemipenile)

Bearded dragon · Other · Digestives

Ruminal alkalosis

Sheep, Goat · Other · Digestives

Narwhal gastrointestinal parasitism (roundworms)

Narwhal · Parasitic · Parasites

Intestinal cestode infestation of the manta ray

Giant manta ray · Parasitic · Parasites

Simple indigestion

Sheep, Goat · Other · Digestives

Ovine cysticercosis

Sheep, Goat · Parasitic · Parasites

Subcutaneous abscess in snakes

Montpellier snake, Cape cobra · Bacterial · Infectious

Gastrointestinal parasitism of the Atlantic puffin (roundworms)

Atlantic puffin · Parasitic · Parasites

Pigeon paramyxovirus

Rock dove · Viral · Infectious

pigeon herpesvirus

Rock dove · Viral · Infectious

Feline panleukopenia (caracal parvovirus)

Caracal, Serval · Viral · Infectious

Avian malaria

Northern bald ibis · Parasitic · Infectious

Avian trichomoniasis

Long-legged buzzard, Rock dove · Parasitic · Parasites

Avian coccidiosis

Cockatiel, Rosy-faced lovebird · Parasitic · Parasites

Avian salmonellosis

Rosy-faced lovebird, Northern bald ibis · Bacterial · Infectious

Transmissible to humans

Squirrel roundworms

Barbary ground squirrel · Parasitic · Parasites

Gastrointestinal parasitism of the platypus (roundworms)

Platypus · Parasitic · Parasites

Wombat gastrointestinal parasitism (roundworms)

Common wombat · Parasitic · Parasites

Oil spill and oil poisoning

Atlantic puffin, Wandering albatross · Environmental · Respiratory

Bovine viral diarrhea

Cow · Viral · Infectious

Ulceritis (ulcerative enteritis) of quail

Japanese quail · Bacterial · Infectious

Red panda cardiomyopathy

Red panda · Other · Cardiac

Tuberculosis

Meerkat, Okapi · Bacterial · Infectious

Transmissible to humans

Cardiomyopathy

Meerkat, Giant anteater · Other · Cardiac

Okapi piroplasmosis

Okapi · Parasitic · Parasites

Gastrointestinal parasitism of okapi (roundworms)

Okapi · Parasitic · Parasites

Tapir gastrointestinal parasitism (roundworms)

South American tapir · Parasitic · Parasites

Turtle ear abscess

Greek tortoise · Bacterial · Infectious

Ovine Ehrlichiosis (tick fever)

Sheep, Goat · Bacterial · Infectious

Transmissible to humans

Sheep metritis

Sheep, Goat · Bacterial · Infectious

Beak and feather disease (avian circovirosis)

Cockatiel, Rosy-faced lovebird · Viral · Infectious

Sarcosporidiosis

Sheep, Goat · Parasitic · Parasites

Cow metritis

Cow · Bacterial · Infectious

Placental retention

Cow · Other · Infectious

Canine anaplasmosis

Dog · Bacterial · Infectious

Transmissible to humans

Contagious ecthyma

Sheep, Goat · Viral · Infectious

Transmissible to humans

Actinobacillosis

Cow · Bacterial · Infectious

Megacolon and constipation in cats

Cat · Other · Digestives

Lily poisoning in cats

Cat · Environmental · Urinary and renal

Rabbit hemorrhagic disease

Domestic rabbit · Viral · Infectious

Foot-and-mouth disease

Cow, Sheep · Viral · Infectious

Canine ehrlichiosis

Dog · Bacterial · Infectious

Feline chronic gingivostomatitis

Cat · Other · Dental and oral

Feline tooth resorption

Cat · Other · Dental and oral

Feline pyelonephritis

Cat · Bacterial · Infectious

Canine lymphoma

Dog · Other · Blood

Canine pancreatitis

Dog · Other · Digestives

Nervous pregnancy of the dog

Dog · Other · Reproduction

Subcutaneous abscess in reptiles

Leopard gecko, Komodo dragon · Bacterial · Infectious

Gastrointestinal parasitism of mouflon (roundworms)

Bighorn sheep · Parasitic · Parasites

Bovine theileriosis

Grant's gazelle · Parasitic · Infectious

Uronema marinum (parasitic ciliate of octopus)

Common octopus, Day octopus · Parasitic · Parasites

Gastrointestinal parasitism of Grant's gazelle (roundworms)

Grant's gazelle · Parasitic · Parasites

Gastrointestinal parasitism of the yellow mongoose (roundworms)

Yellow mongoose · Parasitic · Parasites

Pneumonia in Reptiles

Komodo dragon, Perentie · Bacterial · Infectious

Tibetan fox roundworms

Tibetan fox · Parasitic · Parasites

Transmissible to humans

Wet mouth syndrome

Sheep · Bacterial · Digestives

Nematodiosis of lambs

Sheep · Parasitic · Parasites

Cobalt deficiency

Sheep, Goat · Other · Digestives

Lamb colisepticemia

Sheep · Bacterial · Infectious

Gastrointestinal parasitism of the wandering albatross (roundworms)

Wandering albatross · Parasitic · Parasites

Cetacean Morbillivirus

Narwhal, Beluga whale · Viral · Infectious

Persistent organic pollutant poisoning (heavy metal accumulation)

Narwhal, Beluga whale · Other · Liver and pancreas

Bovine laminitis

Cow · Other · Metabolic and endocrine

Neonatal calf diarrhea

Cow · Other · Digestives

Transmissible to humans

Calf colibacillosis

Cow · Bacterial · Infectious

Calf cryptosporidiosis

Cow · Parasitic · Parasites

Transmissible to humans

Rotavirus and coronavirosis of the calf

Cow · Viral · Infectious

Bovine theileriosis

Cow · Parasitic · Parasites

Diarrhea in lambs

Sheep, Goat · Other · Infectious

Transmissible to humans

Sheep footrot

Sheep, Bighorn sheep · Bacterial · Infectious

Dog vestibular syndrome

Dog · Other · Neurological

Milk fever

Cow · Other · Reproduction

Estrosis

Sheep, Goat · Parasitic · Parasites

Transmissible to humans

Turtle intestinal parasitism (pinworms)

Greek tortoise · Parasitic · Parasites

Pneumonia in snakes

Montpellier snake, Cape cobra · Bacterial · Infectious

Plastic ingestion and marine litter

Wandering albatross · Environmental · Digestives

Avian aspergillosis

Cockatiel, Northern bald ibis · Fungal · Infectious

Cryptosporidiosis of reptiles

Leopard gecko, Bearded dragon · Parasitic · Parasites

Transmissible to humans

Meerkat roundworms

Meerkat · Parasitic · Parasites

Gastrointestinal parasitism of sloths (roundworms)

Three-toed sloth · Parasitic · Parasites

Gastrointestinal parasitism of the anteater (roundworms)

Giant anteater · Parasitic · Parasites

Avian megabacteriosis (Macrorhabdus ornithogaster)

Cockatiel, Rosy-faced lovebird · Fungal · Infectious

Gastrointestinal parasitism of the red panda (roundworms)

Red panda · Parasitic · Parasites

Red panda parvovirus

Red panda · Viral · Infectious

Chronic copper poisoning

Sheep · Environmental · Liver and pancreas

Cryptosporidiosis of lamb

Sheep, Goat · Parasitic · Parasites

Transmissible to humans

Rift Valley Fever

Sheep, Goat · Viral · Infectious

Transmissible to humans

Dropsy

Siamese fighting fish, Guppy · Bacterial · Infectious

Placental retention in the ewe

Sheep, Goat · Other · Infectious

Chronic inflammatory bowel disease in dogs

Dog · Other · Digestives

Juvenile panosteitis

Dog · Other · Bones & joints

Pleural effusion in cats

Cat · Other · Respiratory

Cat anemia

Cat · Other · Blood

Feline urinary tract syndrome (FLUTD)

Cat · Other · Urinary and renal

Cat urinary stones

Cat · Other · Urinary and renal

Feline polycystic kidney disease

Cat · Other · Urinary and renal

Feline mastocytoma

Cat · Other · Skin & coat

Chronic inflammatory bowel disease in cats

Cat · Other · Digestives

Cat vestibular syndrome

Cat · Other · Neurological

Osteosarcoma of dogs

Dog · Other · Cancers and tumors

Feline infectious peritonitis

Cat, Serval · Viral · Infectious

Canine parvovirus

Dog, Tibetan fox · Viral · Infectious

Babesiosis

Dog, Cow · Parasitic · Parasites

Feline chronic rhinitis

Cat · Other · Infectious

Cat bite abscess

Cat · Bacterial · Infectious

Feline calicivirus

Cat · Viral · Infectious

Feline chlamydia

Cat · Bacterial · Infectious

Transmissible to humans

Feline hemoplasmosis

Cat · Bacterial · Infectious

Feline idiopathic cystitis

Cat · Other · Urinary and renal

Hemangiosarcoma of the spleen

Dog · Other · Blood

Dog pneumonia

Dog · Bacterial · Infectious

Pyometra

Dog · Bacterial · Infectious

Feline upper respiratory infection

Cat · Viral · Infectious

Chronic kidney disease

Dog, Cat · Other · Urinary and renal

Feline hypertrophic cardiomyopathy

Cat · Other · Cardiac

Heart failure in cats

Cat · Other · Cardiac

Squirrel pasteurellosis

Barbary ground squirrel · Bacterial · Infectious

Transmissible to humans

Infectious rhinitis of turtles (herpesvirus)

Greek tortoise · Viral · Infectious

Hypervitaminosis and vitamin A deficiency in turtles

Greek tortoise · Other · Eyes

Sloth pneumonia

Three-toed sloth · Bacterial · Infectious

Sheep myiasis

Sheep, Goat · Parasitic · Parasites

Dysecdysis (abnormal moulting)

Leopard gecko, Bearded dragon · Environmental · Skin & coat

Parasitism by ticks and moths in snakes

Montpellier snake, Cape cobra · Parasitic · Parasites

Beluga pneumonia

Beluga whale · animalia::front.disease_types.bactérienne · Infectious

Cutaneous parasitism by copepods and gills (parasitic crustaceans)

Giant manta ray · Parasitic · Parasites

Bacterial skin ulcerations of the manta ray

Giant manta ray · Bacterial · Infectious

Ram orchitis

Sheep, Goat · Bacterial · Infectious

Pasteurellosis

Grant's gazelle · Bacterial · Infectious

Transmissible to humans

Paramphistomosis

Sheep, Goat · Parasitic · Parasites

Infectious necrotizing hepatitis

Sheep · Bacterial · Infectious

Sheep yersiniosis

Sheep, Goat · Bacterial · Infectious

Transmissible to humans

Obstructive urolithiasis of rams

Sheep, Goat · Other · Urinary and renal

Bovine anaplasmosis

Cow · Bacterial · Infectious

Cattle gastrointestinal strongles

Cow · Parasitic · Parasites

Interdigitated whitlow

Cow · Bacterial · Infectious

Cattle heatstroke

Cow · Environmental · Reproduction

Gangrenous mastitis

Cow · Bacterial · Infectious

Gangrenous mastitis of sheep

Sheep · Bacterial · Infectious

Hypocalcemia in sheep

Sheep, Goat · Other · Reproduction

Dog tapeworms

Dog · Parasitic · Parasites

Transmissible to humans

Otitis media in dogs

Dog · Bacterial · Infectious

Calf omphalitis

Cow · Bacterial · Infectious

Lamb polyarthritis

Sheep, Goat · Bacterial · Infectious

Lamb Omphalitis

Sheep, Goat · Bacterial · Infectious

Uterine torsion

Sheep, Goat · Other · Reproduction

Fin rot

Siamese fighting fish, Guppy · Bacterial · Infectious

Mycosis (saprolegniosis)

Siamese fighting fish, Guppy · Fungal · Infectious

Necrotizing stomatitis of the lamb

Sheep, Goat · Bacterial · Infectious

Lung abscesses

Sheep, Goat · Bacterial · Infectious

Ovine pleurisy

Sheep, Goat · Bacterial · Infectious

Sheep theileriosis

Sheep, Goat · Parasitic · Infectious

Giardiasis

Sheep, Goat · Parasitic · Parasites

Transmissible to humans

Abortive campylobacteriosis

Sheep · Bacterial · Infectious

Transmissible to humans

Sheep babesiosis

Sheep, Goat · Parasitic · Parasites

Abortive salmonellosis

Sheep · Bacterial · Infectious

Transmissible to humans

Aspiration pneumonia

Sheep, Goat · Other · Respiratory

Sheep salmonellosis

Sheep, Goat · Bacterial · Infectious

Transmissible to humans

Anal atresia

Sheep, Goat · Other · Digestives

Lamb meningitis

Sheep, Goat · Bacterial · Infectious

Ostertagiasis

Sheep, Goat · Parasitic · Parasites

Skin lesions linked to sunburns (photolesions)

Giant manta ray · Environmental · Skin & coat

Mycoplasma ovipneumoniae pneumonia in mouflon

Bighorn sheep · Bacterial · Infectious

Braxy

Sheep · Bacterial · Infectious

White spot disease (Ich)

Goldfish, Siamese fighting fish · Parasitic · Parasites

Kennel cough

Dog · Viral · Infectious

Mitral endocardosis

Dog · Other · Respiratory

Heart failure in dogs

Dog · Other · Respiratory

Hemorrhagic gastroenteritis in dogs

Dog · Other · Digestives

Feline herpesvirus

Cat · Viral · Infectious

Bronchopneumonia in cats

Cat · Bacterial · Infectious

Squamous cell carcinoma of cats

Cat · Other · Dental and oral

Urethral obstruction in male cats

Cat · Other · Urinary and renal

Cat roundworms

Cat · Parasitic · Parasites

Transmissible to humans

Giardiasis of cats

Cat · Parasitic · Parasites

Transmissible to humans

Canine mastocytoma

Dog · Other · Skin & coat

Chinchilla conjunctivitis

Chinchilla · Other · Eyes

Avian cholera (avian pasteurellosis)

Wandering albatross, Wedge-tailed eagle · Bacterial · Infectious

Transmissible to humans

Symptomatic anthrax

Cow, Sheep · Bacterial · Infectious

Calf arthritis

Cow · Bacterial · Infectious

Bovine babesiosis

Cow · Parasitic · Parasites

Gastrointestinal strongyloses in sheep

Sheep, Goat · Parasitic · Parasites

Ovine fasciolosis

Sheep, Goat · Parasitic · Parasites

Transmissible to humans

Vaginal prolapse in sheep

Sheep · Other · Reproduction

Sheep pasteurellosis

Sheep, Bighorn sheep · Bacterial · Infectious

Dog roundworms

Dog · Parasitic · Parasites

Transmissible to humans

Canine hepatozoonosis

Dog · Parasitic · Infectious

Cutaneous myiasis

Dog, Three-toed sloth · Parasitic · Parasites

Fasciolosis

Cow, South American tapir · Parasitic · Parasites

Transmissible to humans

Rumen bloat

Cow · Other · Digestives

Calf bronchopneumonia

Cow · Other · Infectious

Photosensitization

Sheep, Goat · Environmental · Skin & coat

Botulism

Sheep, Goat · Bacterial · Infectious

Feline leukemia virus

Cat, Serval · Viral · Infectious

Myxomatosis

Domestic rabbit · Viral · Infectious

Sheep pox

Sheep, Goat · Viral · Infectious

Mastitis

Cow, Sheep · Bacterial · Infectious

Equine colic

Horse, Donkey · Other · Digestives

Dilated cardiomyopathy in dogs

Dog · Other · Cardiac

Oak acorn poisoning

Sheep, Goat · Environmental · Digestives

Dirofilariasis

Tibetan fox · Parasitic · Parasites

Chinchilla ear infection

Chinchilla · Bacterial · Infectious

Ornithosis-psittacosis (avian chlamydiosis)

Rosy-faced lovebird, Rock dove · Bacterial · Infectious

Transmissible to humans

Metabolic bone disease of the turtle

Greek tortoise, Montpellier snake · Other · Bones & joints

Softening of the shell

Greek tortoise · Other · Bones & joints

Canary respiratory acariasis (sternostomosis)

Domestic canary · Parasitic · Parasites

Metabolic bone disease

Leopard gecko, Bearded dragon · Other · Bones & joints

Tapir pododermatitis

South American tapir · Environmental · Skin & coat

Infectious bovine rhinotracheitis

Cow · Viral · Infectious

Bovine pasteurellosis

Cow · Bacterial · Infectious

Ruminant listeriosis

Cow · Bacterial · Infectious

Transmissible to humans

Parasitism by raptor ectoparasites (mallophages and mites)

Long-legged buzzard, Snowy owl · Parasitic · Parasites

Canary pox virus

Domestic canary · Viral · Infectious

Polioencephalomalacia

Sheep, Goat · Other · Neurological

Sheep brain abscess

Sheep, Goat · Bacterial · Infectious

Colostral immunity transfer defect

Cow · Other · Diseases of young animals

Giardiasis of dogs

Dog · Parasitic · Parasites

Transmissible to humans

Dicroceliosis

Sheep, Goat · Parasitic · Parasites

Transmissible to humans

Injuries from hooks and fishing lines (accidental capture by longline)

Wandering albatross · Other · Digestives

Esophagostomosis

Sheep, Goat · Parasitic · Parasites

Lamb dysentery

Sheep · Bacterial · Infectious

Bacterial meningoencephalitis of sheep

Sheep, Goat · Bacterial · Infectious

Ovine infectious keratoconjunctivitis

Sheep, Goat · Bacterial · Infectious

Ovine leptospirosis

Sheep, Goat · Bacterial · Infectious

Transmissible to humans

Contagious lumpy skin disease

Cow · Viral · Infectious

Giant anteater pododermatitis

Giant anteater · Environmental · Skin & coat

Snowy Owl Roundworms

Snowy owl · Parasitic · Parasites

Peste des petits ruminants

Sheep, Goat · Viral · Infectious

Bumblefoot (raptor pododermatitis)

Long-legged buzzard, Snowy owl · Bacterial · Infectious

Traumatic injuries related to ship strikes

Beluga whale · Other · Bones & joints

Chlamydia

Common wombat · Bacterial · Infectious

Transmissible to humans

Sloth fungal dermatitis

Three-toed sloth · Fungal · Skin & coat

Transmissible to humans

Pathological hibernation of the turtle

Greek tortoise · Environmental · EMERGENCIES

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This information is provided for educational purposes only and is not a substitute for a veterinary consultation. If you have any concerns about your animal's health, consult a veterinarian.

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