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Health library

Pet diseases, explained simply

Symptoms, causes, prevention and clear guidance on when a vet visit cannot wait.

514 conditions

Paramyxovirus infection in snakes

severe

Paramyxovirus is a serious viral infection affecting snakes, causing respiratory and neurological symptoms with high mortality rates.

infectioussnakesreptiles

Parrot pox (psittacine pox)

moderate

Parrot pox is a viral infection in birds causing lesions and respiratory issues.

infectiousparrotscanariespigeons

Parvovirus

critical

Parvovirus is a highly contagious viral disease affecting dogs, often critical and requiring immediate treatment.

infectiousdog

Pasteurellosis

moderate

Pasteurellosis is a bacterial infection affecting pets; consult a vet promptly.

infectiousdogscatsrabbits

Pasteurellosis (Pasteurella spp. infection)

moderate

Pasteurellosis affects pets like cats and dogs, causing respiratory issues. Always consult a vet for diagnosis and treatment.

infectiousdogscatsrabbits

Periodontal Disease

mild to severe

Periodontal disease in pets is a common dental issue causing gum inflammation and tooth loss.

infectiousdogscats

Periodontal Disease (Dogs & Cats)

moderate

Periodontal disease is a progressive bacterial infection affecting the gums and supporting structures of teeth in dogs and cats.

infectiousdogcat

Pet Dental Disease

moderate

Pet dental disease affects teeth and gums, causing pain, infection, and tooth loss if untreated. Early intervention prevents serious complications.

infectiousdogcatrabbit

Pigeon circovirus infection

severe

Pigeon circovirus infection affects pigeons, causing severe immune system issues. Not zoonotic.

infectiouspigeon

Pigeon Pox

moderate

Pigeon Pox is a viral disease affecting birds. Symptoms include lesions and nodules on the skin.

infectiouspigeonsother birds

Polyomavirus infection (budgerigar fledgling disease)

severe

Polyomavirus affects young birds, causing severe symptoms and high mortality. Consult a vet for diagnosis and care.

infectiousbudgerigarparrotfinch

Polyomavirus infection in birds

severe

Polyomavirus is a highly contagious viral infection affecting pet birds, particularly deadly in young birds with symptoms ranging from feather abnormalities to sudden death.

infectiousbudgerigarscockatielslovebirds

Proliferative Ileitis

moderate

Proliferative Ileitis is a bacterial infection affecting the small intestine, causing thickening of intestinal walls and digestive issues in various animals.

infectiouspighorsehamster

Proliferative Splenopathy (Borna-like virus)

severe

A rare viral infection causing severe spleen enlargement and immune dysfunction in pets, requiring immediate veterinary intervention.

infectiousdogcat

Proliferative stomatitis

moderate

Proliferative stomatitis is an oral condition causing inflamed tissues in pets, often due to viral infections.

infectiousdogscats

Proventricular dilatation disease (avian bornavirus)

severe

Proventricular dilatation disease (PDD) is a severe viral infection affecting birds' digestive and nervous systems.

infectiousparrotscockatoosmacaws

Proventricular dilatation disease (Macrorhabdus ornithogaster infection)

severe

A severe infectious disease in birds causing digestive issues and weight loss.

infectiousbirdsparrotsbudgerigars

Proventricular dilatation disease (PDD) in birds

severe

PDD is a severe infectious disease in birds affecting digestion and nervous system, often requiring immediate veterinary care.

infectiousparrotsmacawscockatoos

Proventriculitis

severe

Proventriculitis is a serious viral disease affecting birds' digestive system, causing inflammation of the proventriculus and often fatal complications.

infectiousbirdparrotmacaw

Pseudomonas aeruginosa infection

moderate

Pseudomonas aeruginosa infection is a bacterial infection in pets, causing symptoms like ear infections and skin lesions.

infectiousdogscatshorses

Pseudomonas infection

moderate

Pseudomonas infection in pets affects skin, ears, and respiratory system, requiring veterinary attention.

infectiousdogscatshorses

Psittacine Beak and Feather Disease

severe

PBFD is a viral disease affecting parrots, characterized by feather loss and beak deformities.

infectiousparrotscockatooslovebirds

Psittacine Beak and Feather Disease (PBFD)

severe

PBFD is a contagious viral disease affecting parrots, leading to feather loss and beak deformity.

infectiousparrotscockatoosbudgerigars

Psittacine Polyomavirus Infection

severe

Psittacine Polyomavirus Infection affects young birds, causing severe disease and high mortality.

infectiousparrotsbudgerigarscockatiels