Heartgard (Ivermectin)
Brands: Heartgard, Heartgard Plus
Heartgard prevents heartworm in dogs with easy monthly dosing.
Used for
- heartworm prevention
How it is given
- Administration
- oral
- Frequency
- once a month
- Duration
- year-round
- Storage
- Store at room temperature, away from moisture and sunlight
- Pregnancy safety
- consult veterinarian
Always confirm the exact dose with your veterinarian before giving any medicine.
Typical dose ranges
cat
- Standard
- not applicable
dog
- Large dogs
- 272 mcg Ivermectin
- Small dogs
- 68 mcg Ivermectin
- Medium dogs
- 136 mcg Ivermectin
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Ivermectin
Side effects
Common
- lethargy
- vomiting
Rare
- diarrhea
Severe
- allergic reactions requiring vet attention
Do not use when
- puppies under 6 weeks
- known hypersensitivity to Ivermectin
Warnings
- Do not overdose
- Follow vet instructions
Heartgard (Ivermectin) questions
What is Heartgard used for?
Heartgard is used to prevent heartworm in dogs.
How often should Heartgard be administered?
It should be given once a month.
Can Heartgard be given to puppies?
It is safe for puppies over 6 weeks old.
What should I do if I miss a dose?
Administer the missed dose as soon as possible and resume the monthly schedule.
Is Heartgard safe for all breeds?
Most breeds can safely use Heartgard, but consult your vet if your dog has a history of sensitivity to medications.
Full drug detail
Overview
Heartgard (Ivermectin) is a widely used antiparasitic medication designed to prevent heartworm disease in dogs. By targeting the larvae of heartworms, it protects your pet from potential health threats. Heartgard is available in a convenient chewable form, making administration easy.
How It Works
Ivermectin, the active ingredient in Heartgard, belongs to the macrocyclic lactone class of drugs. It works by interfering with the nerve and muscle functions of parasites, effectively killing them at the larval stage before they can mature and cause harm.
Uses & Indications
Heartgard is specifically indicated for the prevention of heartworm disease caused by Dirofilaria immitis in dogs. It is crucial for pet owners to administer this medication regularly, as heartworm disease can be life-threatening.
Dosage Guidelines
Heartgard is available in different strengths tailored to the size of your dog:
- Small dogs (up to 25 lbs): 68 mcg Ivermectin
- Medium dogs (26-50 lbs): 136 mcg Ivermectin
- Large dogs (51-100 lbs): 272 mcg Ivermectin
Consult your veterinarian to determine the appropriate dosage for your pet.
Administration
Heartgard is administered orally as a chewable tablet. It should be given once a month, year-round, to ensure continuous protection against heartworms.
Side Effects
While Heartgard is generally well-tolerated, some dogs may experience side effects:
- Common: Lethargy, vomiting
- Rare: Diarrhea
- Severe: Allergic reactions requiring immediate veterinary attention
Precautions & Warnings
Heartgard should not be used in puppies under 6 weeks of age. Dogs with known hypersensitivity to Ivermectin should avoid this medication. Always follow the prescribed dosage and schedule.
Drug Interactions
Currently, there are no significant drug interactions known with Heartgard, but always inform your vet about other medications your pet is taking.
Storage
Store Heartgard at room temperature, away from moisture and sunlight.
FAQ
- What is Heartgard used for? Heartgard is used to prevent heartworm in dogs.
- How often should Heartgard be administered? It should be given once a month.
- Can Heartgard be given to puppies? It is safe for puppies over 6 weeks old.
- What should I do if I miss a dose? Administer the missed dose as soon as possible and resume the monthly schedule.
- Is Heartgard safe for all breeds? Most breeds can safely use Heartgard, but consult your vet if your dog has a history of sensitivity to medications.
Always consult with your veterinarian before starting or changing any medication for your pet.