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The Reality of Heartworm Medicine: Why a Prescription is Mandatory

Heartworm medication is highly weight-specific. A veterinarian ensures your pet receives the exact dose necessary to be effective without being toxic. This is especially important for certain breeds, like Collies or Border Collies, which can have a genetic sensitivity (the MDR1 mutation) to ingredients like ivermectin commonly found in these drugs. Heartworm Basics where can i buy heartworm medicine over the counter

The primary reason for a prescription is the . If a dog already has adult heartworms, administering a standard preventative can be life-threatening. Heartworm preventatives work by killing immature larvae; if they are introduced to a body filled with adult worms, the sudden "die-off" of these worms can cause a shock-like reaction or severe blockages in the heart and lungs. 2. Precision in Dosing The Reality of Heartworm Medicine: Why a Prescription

Below is an essay covering why these restrictions exist, the risks of "OTC" alternatives, and how you can legally and safely obtain medication for your pet. Heartworm Basics The primary reason for a prescription