Tag Archives: Ivermectin


Angiostrongylus vasorum is a metastrongyloid parasite of dogs and foxes which primarily parasitizes the pulmonary artery and its branches; it may also inhabit the right ventricle. Natural A. vasorum infection has been reported in a number of European countries including Ireland. Denmark, southwest France. Spain. Italy and pans of the UK. In the UK the… Read More »


Canine heart worm disease caused by Dirofilaria immitis is endemic in most temperate and tropical coastal zones of the world (United States. Japan and Australia especially). Heartworm disease is occasionally diagnosed in imported dogs in the United Kingdom. Affected animals are often between 4 and 7 years of age although the condition has been diagnosed… Read More »

Diseases of the Ear: General Principles Of Management

The therapeutic plan for otitis externa requires identification of the primary disease process and perpetuating factors. Ideally management is aimed at thoroughly cleaning and drying the ear canal, removing or managing the primary factors, controlling perpetuating factors, administering appropriate topical or systemic therapy (or both), and evaluating response to therapy. Ear Cleaning Ear cleaning serves… Read More »

Therapy For Specific Diseases Of The External Ear Canal

Ectoparasites Thorough cleaning of the external ear canal, treatment of all household pets, and whole-body therapy should be considered in the treatment regimen for ear mites. Pets with no clinical signs may be asymptomatic carriers and a reservoir for reinfestation. Otic parasiticides such as pyrethrins, rotenone, amitraz, and carbaryl must be administered every 24 hours… Read More »

Treatment And Prevention of Feline Heartworm Disease

The question arises as to whether heartworm prophylaxis is warranted for cats because they are not the natural host and because the incidence is low. Necropsy studies of feline heartworm infection in the Southeast have yielded a prevalence of 2.5% to 14%, with a median of 7%. When considering the question of institution of prophylaxis,… Read More »

Canine Heartworm Disease

Heartworm infection (HWI) (dirofilariasis), caused by Dirofilaria immitis, primarily affects members of the family Canidae. Dirofilariasis is widely distributed, being recognized in northern and southern temperate zones, in the tropics, and in the subtropics. Infections are recognized in most of the United States, although the distribution favors the Southeast and Mississippi River Valley. In some… Read More »

The Medical Management Of Heartworm Infection

The medical management of heartworm infection is complex because of the complicated parasite life cycle, the marked variability in clinical manifestations and severity of HWD, prophylactic considerations, adulticidal and microfilaricidal considerations, and the relative toxicity and complications associated with adulticidal therapy. For these reasons, the diagnosis, prevention, and treatment of heartworm infection remains a challenge… Read More »