What is Heartworm?
Heartworms are deadly parasites that affect dogs and cats, as well as other animals. These worms are also referred by their scientific name Dirofilaria immitis and actually live in the right side of the heart and arteries of the lungs. It causes a serious condition that includes heart failure, blocked arteries and breathing difficulties. When a mosquito bites your dog or cat, your pet may be infected with heartworms.
Heartworms are thin, long (about 12 to 30cm) worms and have an adult lifecycle of 5 to 7 years for dogs while in cats, it is between 2 to 3 years. During this time millions of larvae are produced but they only become fully matured after living in the mosquito.
Sometimes there may be no symptoms of heartworm in dogs and cats.
Common symptoms and signs of heartworm include:
* Rapid/ fast breathing
* Labored breathing
* Fatigue, lethargy and listlessness
* Intolerance for exercise
* Weight loss
* Loss of appetite
* Bloody phlegm
In addition, there may also be symptoms of anemia, swollen abdomen, jaundice, bulging chest and prominent ribs. Convulsions, rapid heartbeat, diarrhea, vomiting and in the advanced stages, heart failure or clotting in the pulmonary arteries may occur.
What Causes Heartworm?
When the mosquito bites an infected dog or cat, it ingests the larvae and if that mosquito bites another dog or cat, it transfers the larvae. Over the next few months, the larvae migrate through the body of the animal until it reaches the heart and matures into an adult worm. Female worms cause more damage than male worms.
Infections of heartworm are usually quite common in warmer countries of the world. Research shows that dogs are affected more than cats - in particular, large-breed dogs, male dogs as well as dogs with short hair and stray dogs and those that stay out of doors. Certain factors may also increase your pet’s risk of heartworm disease and these include genetic factors, location of the heart where the worms are, if there are more male or female worms, length of time and the number of worms present.
The diagnosis of heartworm is based on the symptoms presented, a thorough physical examination and a review of the pet’s medical history. Certain tests such as chest x-rays may be performed to determine whether the pulmonary arteries in the lungs are enlarged, as well as antigen and microfilarial tests to detect the presence of adult heartworms.
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There are a number of oral and topical heartworm preventatives such as Heartgard or Interceptor available to treat dogs and cats, and these can be administered once per month. These medications help to prevent the microfilariae (larvae) from developing into adult heartworms.
Because dogs and cats that live outside are more susceptible to heartworm, it is recommended that they receive this treatment monthly. Indoor pets, however, still remain at risk. Keep in mind that these medications have toxic side effects and have been linked to serious disorders such as liver and kidney disease, arthritis and skin allergies.
Heartworm in dogs is treated with an adulticide, medication administered to kill adult worms over a period of a month. After the one month period filaricide therapy which involves the administration of microfilaricide to kill the microfilariae. Treatment for heartworm in cats has not been approved as yet and involves treating the symptoms with intravenous fluids, oxygen therapy, bronchodilators or confinement.
Herbal and homeopathic remedies have also proven to be a very effective alternative to treat parasites in pets. These natural remedies are safe and gentle for your pet and encourage overall health and wellbeing. Herbal ingredients such as Artemisia absinthinium (Wormwood), Eugenia caryophyllata (Cloves), Azadirachta indica (Neem) and Ruta graveolens (Herb of Grace) promote digestive health and balance, cleanse the blood and support the immune system.
Follow these useful tips to help prevent heartworm infection in pets and
ensure overall health and wellbeing:
* Feed pets a natural, well balanced diet without preservatives, additives or colorants to boost their immune system
* Include fresh, raw foods together with yeast and garlic to ward off mosquitoes
* Ensure that your pets food and water bowls are made of stainless steel, not plastic and are always clean
* Always have fresh, clean water available for your dog or cat
* Make sure that your pet has regular exercise
* Avoid using commercial flea products and limit the long-term use of heartworm prevention drugs
* If you live in a mosquito-infested area, keep dogs and cats indoors in the late afternoon and evenings to avoid a mosquito attack
* Use a natural insect repellant such as citronella oil and water to repel mosquitoes
* Detox your pet regularly to get rid of an accumulation of toxins