Flea Infestation in Dogs and Cats: Symptoms, Treatment, and Prevention
Fleas are blood-feeding insects that cause itchy dermatitis in dogs and cats and can transmit tapeworms and other diseases. Control requires treating the pet, the home, and all in-contact animals with veterinary-directed parasiticides.
Lice Infestation in Dogs and Cats (Pediculosis): Symptoms, Treatment, and Prevention
Lice are external parasites that cling to the skin and coat of dogs and cats, causing itching, hair loss, and skin irritation, with heavy infestations leading to anemia and poor condition. They are species-specific and controlled with parasiticides plus environmental cleaning.
Ear Mite Infestation in Dogs and Cats (Otodectic Mange): Symptoms, Treatment, and Prevention
Ear mites (Otodectes cynotis) are highly contagious parasites that infect the outer ear canal of dogs and cats, causing intense itching, head shaking, and dark waxy debris. Treatment combines ear cleaning with parasiticides and control of secondary infection.
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.
Sarcoptic Mange in Dogs and Cats (Scabies): Symptoms, Treatment, and Prevention
Sarcoptic mange is a highly contagious skin disease caused by the burrowing mite Sarcoptes scabiei, leading to intense itching, redness, hair loss, and crusting. It spreads by direct contact and is treated with parasiticides plus control of secondary infection.
Canine and Feline Trichomoniasis: Symptoms, Treatment, and Prevention
Trichomoniasis is a protozoal parasite infection of dogs and cats, most often caused by Pentatrichomonas, that produces stubborn, mucoid, sometimes bloody diarrhea. It spreads through contaminated food and water and is managed with antiprotozoal therapy plus supportive care.
Canine and Feline Cryptosporidiosis: Symptoms, Treatment, and Prevention
Cryptosporidiosis is a protozoal (coccidian) infection of dogs and cats that causes acute, watery diarrhea, vomiting, and abdominal discomfort. It is most severe in young, stressed, or immunocompromised animals and is zoonotic, so hygiene is essential.
Canine and Feline Amoebiasis: Symptoms, Treatment, and Prevention
1 Symptoms Entamoeba histolytica mainly parasitizes the large-intestine mucosa; the disease starts slowly and is marked by stubborn diarrhea—a zoonosis. People are the natural host and dogs have lower incidence. Cysts from chronic or asymptomatic carriers are the main source; flies and cockroaches spread them. Dogs and cats are infected by ingesting contaminated food or...
Canine Leishmaniasis (Kala-azar): Symptoms, Treatment, and Prevention
Canine leishmaniasis is a zoonotic protozoal disease (Leishmania donovani) transmitted by sandflies, causing skin lesions, wasting, and systemic illness in dogs. It is treated with antiprotozoal drugs and supportive care.
Canine and Feline Coccidiosis: Symptoms, Treatment, and Prevention
Coccidiosis is a protozoal infection of the intestinal lining of puppies and kittens, causing watery or bloody diarrhea and wasting in heavy infections. It is treated with anticoccidial drugs and supportive care.
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