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Demodicosis in Dogs and Cats (Demodectic Mange): Symptoms, Treatment, and Prevention
Demodicosis is a skin disease caused by Demodex mites living in hair follicles and oil glands, producing localized or widespread hair loss, redness, and scaling. Most dogs carry the mites harmlessly, but stress, illness, or immune weakness allows outbreaks that need veterinary antiparasitic treatment.
Aspergillosis in Dogs and Cats: Symptoms, Treatment, and Prevention
Aspergillosis is a zoonotic disease caused by several Aspergillus species. In dogs and cats it is mainly Aspergillus fumigatus infection of the bronchi and lungs, called canine/feline aspergillosis.
Pasteurellosis in Dogs and Cats: Symptoms, Treatment, and Prevention
Pasteurellosis is an acute, feverish infectious disease caused by Pasteurella multocida. The acute form is marked by septicemia and hemorrhagic inflammation (historically called 'hemorrhagic septicemia'); the chronic form shows subcutaneous, joint, and organ abscesses, often mixed with or secondary to other diseases. Chickens are most commonly affected, but cats and dogs can also be infected.
What should I do if a kitten has pus in its eyes and can’t open them?
Pus and an inability to open the eyes is most likely an eye infection, and in unvaccinated kittens feline rhinotracheitis (cat flu) must also be considered. It is best to have the kitten examined by a vet to confirm the cause before treating. If feline rhinotracheitis is diagnosed, interferon together with antiviral and anti-inflammatory medication is used, and prompt treatment is essential to protect the kitten's life.
What should I do if a young kitten has pus from its eyes and can’t open them?
Pus and closed eyes in a kitten usually mean an eye infection; in unvaccinated cats also consider feline rhinotracheitis (cat flu). See a vet—treat with interferon plus antiviral/anti-inflammatory drugs, as delay can be life-threatening.
What causes tear stains in cats?
Cat tear stains can arise from diet (too salty or greasy food), genetics (flat-faced breeds with blocked tear ducts), or eye diseases like conjunctivitis and ingrown lashes. Proper treatment depends on identifying the specific underlying cause.
My 52-day-old kitten has inflamed, rotting toes, keeps biting them, and the fur around them is gone — what’s the cause?
Feline interdigital dermatitis (pododermatitis) typically shows as red, swollen, itchy, painful, peeling or ulcerated toes; severe cases may discharge pus. Mild cases can be treated at home by clipping the fur, rinsing with chlorhexidine, and applying a topical antibiotic — keep an E-collar on and see a vet if it worsens.
My cat’s eye is swollen and tearing — what should I do?
From the photo this is very likely conjunctivitis, which can be bacterial, herpesvirus, or chlamydia infection — a vet check is needed to confirm the cause. If a visit isn't possible now, use a pet-specific antibacterial eye drop at home to ease symptoms; for viral causes, antiviral treatment is key.
Why are my kitten’s eyes crusted shut with pus?
Pus-crusted eyes usually mean bacterial or viral infection. Clean with saline and use an antibacterial eye drop for simple cases; calicivirus or feline herpesvirus need a vet diagnosis and targeted treatment.
What does conjunctivitis look like in cats?
Feline conjunctivitis shows as red, watery, itchy eyes with discharge. Here are the common causes.