Heartgard Plus (ivermectin/pyrantel) is medication for dogs that are at least 6 weeks old to prevent heartworm disease and to treat and control roundworms and hookworms.

Heartgard Plus chewable tablets come in 3 dosage strengths for dogs of different weights. The medication may be obtained to use by or on the order of a licensed veterinarian.

Directions

Heartgard Plus should be administered to your dog as your veterinarian has instructed. An appropriate dosage will be determined by your veterinarian based on your dog’s weight.

Heartgard Plus is administered by mouth once a month during the period of the year when mosquitoes are active, as they can potentially carry infective heartworm larvae.

Administer the initial dose within 30 days after your dog is first exposed to mosquitoes. Administer the final dose within 30 days after your dog’s last exposure to mosquitoes.

Make sure your dog chews rather than swallows the tablet whole. You may break the chewable tablet into pieces and feed to dogs that typically swallow treats whole. Alternatively, the chewable may be added to a small amount of dog food; however, you must ensure your dog consumes the full dose at one time. You may redose if any of the dose was lost.

Heartgard Plus should be stored away from light at temperatures between 68°F and 77°F (20°C and 25°C). Keep out of reach of children and other animals.

Refer to the medication leaflet that accompanies the prescription for more information on the use of Heartgard Plus.

Do not hesitate to reach out to your veterinarian if any questions or concerns arise.

Ingredients

Ivermectin/pyrantel are the active ingredients in Heartgard Plus.

Contraindications

There are no contraindications contained in the most recent Prescribing Information.

Cautions

• Before your dog begins Heartgard Plus chewables, inform your veterinarian of your dog’s:
• Medications
• Allergies
• Current health problems
• Past medical history
• Breeding, pregnancy, or nursing status
• Heartgard Plus is not for human use.
• Your dog should be tested for existing heartworm infection prior to starting Heartgard Plus. If infected, treatment is required to eliminate adult heartworms and microfilariae before your dog begins Heartgard Plus.
• Heartgard Plus is not effective at clearing microfilariae. Dead or dying microfilariae may be the cause of a mild hypersensitivity-type reaction, particularly involving transient diarrhea, that has occurred in clinical trials with ivermectin alone after some dogs with circulating microfilariae received treatment.
• Intestinal obstruction or choking has occurred. The chewable may be broken into pieces if your dog normally swallows treats whole.

Side Effects

Heartgard Plus side effects include but are not limited to vomiting, diarrhea, lethargy, anorexia, seizures, impaired coordination, muscle tremors, hypersalivation, and itchiness.

Call your veterinarian right away if your dog develops any side effects.

Looking for a competitive Heartgard Plus cost? Here, you can buy Heartgard Plus online with a valid prescription from your veterinarian!

Reference

1. Heartgard Plus. Duluth, GA: Boehringer Ingelheim Animal Health USA Inc.; 2023.

About Dr. Savannah Muncy (Page Author)

Dr. Muncy (PharmD) studied science and education as an undergraduate before attending the Appalachian College of Pharmacy where she completed her PharmD in three years. She is currently using her pharmacy and healthcare expertise to write medical content for clients all around the world. She is focused on delivering the most current, accurate, and engaging information to healthcare professionals and patients. Read More....

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