Heartworm

Does My Coughing Cat Have Heartworms?

Karen writes: My 8 yr old indoor Siamese has had a tiny, tiny cough only in the mornings the past six months. In the morning, she just gives out a tiny one-time-cough and it doesn’t bother her at all. Would heartworm produce more coughing throughout the day? I have taken her to the veterinarian twice […]

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Dogs Need Year-Round Heartworm Prevention

Dr. Dwight Bowman is a Professor in the Department of Microbiology and Immunology at Cornell University College of Veterinary Medicine. He received his Masters and PhD degrees from Tulane University in Parasitology. He is also a traveling speaker with Heartworm University, an outreach educational program of the American Heartworm Society. In this month’s Clinician’s Update, […]

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Heartworm Preventive Failure

Last night we were blessed to have Dr. James Crisman, of Pfizer Animal Health, come to our South Mississippi Veterinary Medical Association (SMVMA) to speak on the topic of heartworms. Now, you might well think that there is nothing new to know about a parasite that has been recognized for well over one hundred years. Not […]

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More On Heartworm Disease In Cats

Jennifer writes: My cat had blood work done at her last visit and I was told yesterday that she tested positive for heartworm. She did not test positive in November, 2009, when given the same test so she had to have been bitten within the last year. The veterinarian told me there was nothing I […]

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Treatment Of Heartworm Microfilaria In Dogs

Microfilaria are the offspring of adult heartworms. They are produced in massive numbers in canines infected with Dirofilaria immitis (the taxonomic name for the heartworm parasite). In some ways microfilaria can be worse than the adult canine heartworm. When large numbers of them die suddenly they can cause a shock reaction and death. That is […]

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Heartworm Treatment Medication In Short Supply

Editor’s Note:  As of December, 2011, Immiticide was again available through Merial’s European source. If you ever needed another reason to keep your dog on heartworm preventive, here it is. The only federally-approved heartworm treatment medication marketed in the United States is in very short supply. The name of the medication is Immiticide and it […]

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Feline Heartworm Disease As Great Imitator

Spunky the cat came in today with the owner’s son and a history of coughing twice each day for about two weeks. He was otherwise acting and feeling fine and eating well, he just had this nagging, gagging cough. He even came in with a differential diagnosis list: “He’s coughing like he has a hairball. […]

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Heartworms Are Treatable Even In Old Dogs

A diagnosis of heartworms is not a death sentence, even in a somewhat older dog. Precious “Sweetie” came to see us this week, her first doctor’s visit in her 8-year lifespan. Not surprisingly, having never been on a heartworm preventive and living in a swamp-surrounded, mosquito-laden area of a southern state, her test came back […]

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Dog Gets Heartworms After Missing Preventive Doses

Recently MyPetsDoctor.com posted an article about why one’s dog needs to be tested for heartworms after missing one or more doses of heartworm preventive. We explained there that restarting heartworm preventive without a test is a dangerous proposition, and could even result in a reaction that could kill your dog. Well, just this morning, it […]

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