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Health library

Pet diseases, explained simply

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

1,699 conditions

Aspergillosis (birds)

severe

Aspergillosis is a severe respiratory infection in birds caused by Aspergillus fungus.

respiratorybirdspoultry

Aspergillosis in Birds

severe

Aspergillosis is a severe respiratory infection in birds caused by Aspergillus fungi.

respiratorybirdsparrotscanaries

Aspergillosis in reptiles

severe

Aspergillosis is a fungal infection affecting reptiles, causing respiratory issues.

infectious|respiratoryreptilesbirdsmammals

Asthma in Cats

severe

Feline asthma is a chronic respiratory condition causing coughing, wheezing, and difficulty breathing.

respiratorycat

Atadenovirus infection

severe

Atadenovirus infection is a serious viral disease affecting reptiles, particularly bearded dragons, causing severe liver damage and often fatal outcomes.

infectiousbearded dragonsnakegecko

Atherosclerosis

moderate

Atherosclerosis in pets affects blood vessels, causing cardiovascular issues.

cardiovasculardogscats

Atherosclerosis (avian)

moderate

Atherosclerosis in birds affects arterial health, causing cardiovascular issues.

cardiovascularbirdsparrotscanaries

Atherosclerosis (Hamsters)

severe

A buildup of plaques in the arteries affecting circulation in hamsters.

cardiovascularhamstersratsmice

Atherosclerosis (in snakes)

moderate

Atherosclerosis in snakes affects cardiovascular health, causing artery thickening and reduced blood flow.

cardiovascularsnakes

Atherosclerosis in Birds

moderate

Atherosclerosis in birds affects arteries, causing plaque buildup. Consult a vet for accurate diagnosis and treatment.

cardiovascularparrotscanariesfinches

Atherosclerosis in reptiles

moderate

Atherosclerosis in reptiles affects their cardiovascular health, leading to potential heart and blood vessel issues.

cardiovascularturtlessnakeslizards

Atlantoaxial Instability

severe

Atlantoaxial instability is a serious spinal condition affecting the first two vertebrae in pets, causing neurological symptoms and potential paralysis.

neurologicaldogcat

Atlantoaxial Instability (AAI)

severe

Atlantoaxial instability is a serious spinal condition affecting the first two vertebrae in pets, causing neck pain and potential neurological complications.

neurologicaldogcat

Atopic Dermatitis

moderate

Atopic Dermatitis is a common allergic skin condition in pets causing itching and inflammation.

dermatologicaldogscats

Atopic Dermatitis in Cats

moderate

Atopic dermatitis is a chronic allergic skin condition in cats caused by environmental allergens, leading to intense itching and skin inflammation.

dermatologicalcat

Atopic Dermatitis in Dogs

moderate

Atopic Dermatitis in dogs causes itchy skin due to allergies.

dermatologicaldog

Atopy (Allergic Skin Disease)

moderate

Atopy is an allergic skin disease in pets causing itching and inflammation.

dermatologicaldogscats

Atoxoplasmosis

moderate

Atoxoplasmosis is a parasitic disease in birds, causing symptoms like diarrhea and lethargy. Consult a vet for proper diagnosis and treatment.

parasiticbirds, especially canaries and finches

Atoxoplasmosis (Isospora infection)

moderate

A systemic parasitic infection of passerine birds such as canaries and finches, caused by Atoxoplasma (Isospora) species.

parasiticbirdscatsdogs

Atoxoplasmosis (Isospora sp. infection)

moderate

Atoxoplasmosis is a parasitic infection affecting mainly birds and sometimes cats.

parasiticbirdscats

Atoxoplasmosis (Isospora spp. infection)

moderate

Atoxoplasmosis affects birds, particularly passerines (songbirds) such as canaries and finches, causing digestive issues. Consult a vet for accurate diagnosis and treatment.

parasiticbirdsreptiles

Atoxoplasmosis (Isospora spp.)

moderate

Atoxoplasmosis (systemic isosporosis) is a parasitic infection of passerine birds such as canaries and finches, caused by Atoxoplasma (Isospora) spp. It is a systemic disease that involves the liver and spleen as well as the intestinal tract.

parasiticbirdscatsdogs

Atypical Addison's Disease

moderate

Atypical Addison's Disease affects adrenal glands, causing hormone imbalances in pets.

autoimmunedogsrarely cats

Aural Hematoma

moderate

Aural hematoma in pets involves ear swelling due to blood pooling, often from trauma or infection.

dermatologicaldogscatsrabbits