Heartworm Preventatives
Brands: Heartgard, Interceptor
Learn about heartworm preventatives for pets, including dosage, side effects, and proper use. Consult your vet for advice.
Used for
- heartworm prevention
- intestinal worm control
How it is given
- Administration
- oral
- Frequency
- monthly
- Duration
- ongoing as per vet advice
- Storage
- Store in a cool, dry place away from direct sunlight
- Pregnancy safety
- caution
Always confirm the exact dose with your veterinarian before giving any medicine.
Typical dose ranges
cat
- Standard
- 24 mcg of ivermectin monthly
dog
- Large dogs
- 272 mcg of ivermectin monthly
- Small dogs
- 68 mcg of ivermectin monthly
- Medium dogs
- 136 mcg of ivermectin monthly
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Ivermectin
- Milbemycin oxime
Side effects
Common
- vomiting
- diarrhea
Rare
- lethargy
Severe
- neurological signs requiring vet attention
Do not use when
- existing heartworm infection
- allergy to ingredients
Interacts with
- drug interaction with certain antiparasitics
Warnings
- Not for puppies under 6 weeks
- Test for heartworm before starting
Heartworm Preventatives questions
What are heartworms?
Heartworms are parasitic worms transmitted by mosquitoes, causing severe health issues in pets.
How often should heartworm preventatives be given?
They are typically given once a month, but follow your vet's guidance.
Can I skip a dose?
Skipping doses can increase the risk of heartworm infection; consult your vet if a dose is missed.
Are there natural alternatives?
Currently, no natural alternatives are proven as effective as prescription preventatives.
What if my pet shows side effects?
Contact your veterinarian immediately if you notice any adverse reactions.
Full drug detail
Overview
Heartworm preventatives are vital medications used to protect pets from heartworm disease, a serious and potentially fatal condition caused by parasitic worms. These medications are crucial for maintaining your pet’s health and well-being.
How It Works
Heartworm preventatives work by eliminating heartworm larvae (microfilariae) before they can mature into adult worms. They disrupt the life cycle of the heartworm, preventing infestation.
Uses & Indications
Heartworm preventatives are indicated for the prevention of heartworm disease in dogs and cats. They are also effective against other parasites, such as certain types of intestinal worms.
Dosage Guidelines
Dogs
- Small Dogs: One chewable tablet containing 68 mcg of ivermectin monthly
- Medium Dogs: One chewable tablet containing 136 mcg of ivermectin monthly
- Large Dogs: One chewable tablet containing 272 mcg of ivermectin monthly
Cats
- Standard: One tablet containing 24 mcg of ivermectin monthly
Administration
Oral administration in the form of chewable tablets is the most common method.
Side Effects
Common
- Vomiting
- Diarrhea
Rare
- Lethargy
Severe
- Neurological signs requiring veterinary attention
Precautions & Warnings
- Always consult a veterinarian before starting any preventative.
- Pets should be tested for existing heartworm infection prior to starting preventatives.
Drug Interactions
- Consult your veterinarian about any other medications your pet is taking to avoid potential interactions.
Storage
Store in a cool, dry place away from direct sunlight.
FAQ
-
What are heartworms? Heartworms are parasitic worms transmitted by mosquitoes that can cause severe health issues in pets.
-
How often should heartworm preventatives be given? They are typically given once a month, but follow your vet's guidance.
-
Can I skip a dose? Skipping doses can increase the risk of heartworm infection; consult your vet if a dose is missed.
-
Are there natural alternatives? Currently, no natural alternatives are proven as effective as prescription preventatives.
-
What if my pet shows side effects? Contact your veterinarian immediately if you notice any adverse reactions.
Meta Title
Heartworm Preventatives for Pets
Meta Description
Learn about heartworm preventatives for pets: dosage, side effects, and use. Always consult your vet before use.