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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

Ophidian paramyxovirus infection (OPMV)

severe

OPMV is a severe viral infection in reptiles, causing respiratory and neurological issues.

infectioussnakeslizards

Ophidiomyces ophiodiicola infection

moderate

Ophidiomyces ophiodiicola is a fungal infection affecting snakes, causing skin lesions, facial swelling, and respiratory issues in pet reptiles.

infectioussnakereptile

Ophidiomyces ophiodiicola infection (snake fungal disease)

moderate

A serious fungal infection affecting snakes, causing skin lesions, behavioral changes, and potentially fatal complications if untreated.

infectioussnakereptile

Ophidiomycosis

severe

Ophidiomycosis is a serious fungal infection affecting snakes, characterized by skin lesions and systemic illness.

infectioussnakes

Ophidiomycosis (snake fungal disease)

severe

Ophidiomycosis is a fungal infection in snakes caused by Ophidiomyces ophiodiicola.

infectious|dermatologicalsnakes

Ophionyssosis

moderate

Ophionyssosis is a parasitic infestation by mites affecting reptiles, causing irritation and potential health issues.

parasiticsnakeslizardsreptiles

Ophionyssosis (Ophionyssus mite infestation)

moderate

Ophionyssosis, a parasitic infestation in reptiles, causes irritation and stress. Early diagnosis and treatment are crucial.

parasiticsnakeslizardsreptiles

Ophionyssosis (snake mite infestation)

moderate

Ophionyssosis is a common parasitic infestation in snakes caused by mites.

parasiticsnakeslizardsreptiles

Ophionyssus mite infestation

moderate

A parasitic infestation in reptiles caused by Ophionyssus mites, leading to skin irritation and health issues.

parasiticsnakeslizardsreptiles

Ophionyssus mite infestation (Ophionyssus natricis)

moderate

Ophionyssus mite infestation affects reptiles, causing irritation and health issues. Prompt treatment is essential.

parasiticsnakeslizards

Ophionyssus natricis infestation

moderate

Ophionyssus natricis affects reptiles, causing irritation and potential health issues.

parasiticsnakeslizards

Ophionyssus natricis infestation (snake mite infestation)

moderate

Snake mite infestation is a common parasitic condition in reptiles, causing irritation and potential health issues.

parasiticsnakesreptiles

Oral abscess

moderate

Painful infection in pets' mouths, often causing swelling and discomfort.

infectiousdogscatsrabbits

Oral Tumors (Dogs & Cats)

severe

Oral tumors are abnormal growths in the mouth affecting dogs and cats, ranging from benign to aggressive cancers requiring prompt veterinary care.

cancerdogcat

Orbital abscess

severe

Orbital abscess in pets can cause swelling and pain around the eye, requiring prompt veterinary care.

infectiousdogscatsrabbits

Organophosphate Poisoning

critical

Organophosphate poisoning in pets causes severe neurological symptoms and requires immediate veterinary attention.

neurologicaldogcatbird

Osteoarthritis

severe

Osteoarthritis is a common joint disorder in pets causing pain and reduced mobility.

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Osteoarthritis (Degenerative Joint Disease)

moderate

Osteoarthritis in pets causes joint pain and stiffness. Early treatment can improve quality of life.

musculoskeletaldogscatshorses

Osteoarthritis (Dogs & Cats)

moderate

Osteoarthritis is a progressive joint disease causing pain, stiffness, and reduced mobility in dogs and cats.

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Osteoarthritis in Dogs

moderate

Osteoarthritis in dogs is a common, painful condition characterized by joint degeneration and stiffness.

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Osteoarthritis in Reptiles

mild

Osteoarthritis in reptiles leads to joint pain and stiffness, affecting mobility and quality of life.

musculoskeletalturtleslizardssnakes

Osteochondritis Dissecans

moderate

Osteochondritis Dissecans (OCD) is a joint condition where cartilage and underlying bone separate, causing pain and lameness in pets.

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Osteochondritis Dissecans (OCD)

moderate

Osteochondritis Dissecans (OCD) is a joint condition affecting dogs and horses, leading to lameness and discomfort.

musculoskeletaldogshorses

Osteomalacia

moderate

Osteomalacia leads to soft bones in pets due to vitamin D deficiency, causing pain and weakness.

metabolicdogscatsreptiles