Not exact matches
When a mosquito sucks blood from an infected animal,
immature worms are taken up
with the blood.
When a mosquito bites a dog infected
with heart
worms, the mosquito ingests first - stage heart
worm larvae (
immature heart
worms).
Once the
immature parasites have been treated, the adult
worms are killed
with a series of two or three treatments of a
worm - killing poison called melarsomine dihydrochloride.
About Heartworm Disease in Cats The incidence of heartworm disease in cats closely correlates
with the infection rate in dogs, but in cats the disease is often a result of
immature worms that never become adults.
Immature worms arriving in the pulmonary vasculature can cause pulmonary arterial, arteriolar, and airway lesions as severe as those seen
with death of adult heartworms.
The inflammatory response to the arrival of
immature worms in the lungs may cause asthma - like signs.2 These cats may initially present
with a history of coughing, dyspnea, and vomiting.
Antigen testing is not as effective at detecting infection
with adult
worms < 5 months old and is unable to detect
immature worm infections, male - only infections, and some infections
with only one adult female
worm.1 If the infection does not produce an adult
worm, the
worms are
immature at the time of testing, or only male adult
worms are present, a false - negative result may be obtained.
In fact, circulating antibodies to D. immitis are present not only during infection
with adult
worms, but also during infection
with immature and larval stages (Kramer and Genchi, 2002).
Heartworm associated respiratory disease (HARD), a common problem in cats
with heartworm disease, occurs when your pet's lungs become inflamed due to the death of
immature worms.
At this time the emodepside product is the only one that can attack
immature worms still in the process of migration, as well as the intestinal adults
with one treatment.