Valuheart Large 21-40kg is an effective and affordable monthly heartworm preventative for large dogs. Product details Proudly Australian made and owned contains Ivermectin which is the most widely used drug used to prevent heartworm administered once a month, making sure they swallow it, and you’re done! Whether ingested broken or whole, the tablet will be absorbed in the stomach releasing the full dose of the active ingredient please consult a veterinarian before commencing any form of heartworm prevention consult your veterinarian if any adverse reactions occur do not use on puppies under 6 weeks of age for dogs over 40kg you will need to give 1 Valuheart Large 21-40kg, plus half a tablet for every additional 20kg.
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