Cheapest Heartgard Plus for Dogs: Generic Nuheart & Price Comparison
Essential Pricing Takeaways
- • Heartgard Plus costs $48 to $62 per 6-dose box at US veterinary hospitals and retail pet pharmacies ($8 to $10 per monthly chew).
- • The generic alternative Nuheart contains identical active ivermectin and costs just $28.50 for a 6-month supply ($4.75 per monthly dose).
- • International dispensaries provide genuine Boehringer Ingelheim Heartgard Plus for $38.99 with free shipping, saving 35% compared to domestic clinic prices.
Boehringer Ingelheim's Heartgard Plus has served as the veterinarian-recommended benchmark for canine heartworm prevention for over three decades. Its real-beef chewable formulation makes monthly administration effortless for pet owners with finicky dogs.
However, recurring clinic markups quickly add up, especially in multi-dog households. In this 2026 price guide, we compare verified costs for name-brand Heartgard Plus and generic alternatives across Chewy, Walmart PetRx, and international dispensaries to help you protect your dog on any budget.
Heartgard Plus & Generic Alternatives: 2026 Pricing Comparison (Medium Dogs 26–50 lbs)
| Dispensary Platform | Medication Name | 6-Month Supply | Per-Dose Cost | Prescription Required? | Best Value Deal | Action |
|---|---|---|---|---|---|---|
| Canada Pet Care | Heartgard Plus (Boehringer Ingelheim) | Real-beef chewable (6-pk) | $54.99 | $49.98 | $38.99 ($6.50/dose) + Free Tracked Shipping | Check Price → |
| Best Vet Care | Nuheart Generic Ivermectin | Soluble flavored tablet (6-pk) | N/A | N/A | $28.50 ($4.75/dose) - Absolute Lowest Cost | Check Price → |
| Walmart PetRx | Heartgard Plus (Boehringer Ingelheim) | Real-beef chewable (6-pk) | $54.99 | $49.98 | $47.48 on AutoShip with Vet Script | Check Price → |
| Chewy Pharmacy | Heartgard Plus (Boehringer Ingelheim) | Real-beef chewable (6-pk) | $54.99 | $49.98 | $52.24 on AutoShip with Free Shipping on $35+ | Check Price → |
*Prices below were checked on retailer sites in November 2026 and change often.
Top Recommended Options & Discounts
Heartgard Plus for Dogs (Green Box 26–50 lbs)
Best For: Dogs that eagerly accept real-beef soft chewables
- ✓ Proven 100% effective against heartworm larvae at recommended dosage
- ✓ Contains pyrantel pamoate to eradicate hookworms and roundworms
- ✓ Authentic manufacturer packaging with clear batch verification
Nuheart Generic Ivermectin (Green Box 26–50 lbs)
Best For: Budget-conscious pet parents seeking pure ivermectin savings
- ✓ Exact 136 mcg ivermectin bioequivalent to Heartgard Medium
- ✓ Small micro-tablet dissolves easily in a spoonful of wet food or peanut butter
- ✓ Saves over $50 annually per dog compared to clinic retail counters
Calculate Exact Dose & Cost-Per-Day by Pet Weight
Adjust the weight slider to determine the required clinical dose tier, monthly supply costs, and annual mail-order savings.
*Prices checked across licensed dispensaries in November 2026. Direct electronic prescription transfer supported.
Is Generic Nuheart as Safe and Effective as Name-Brand Heartgard?
Both medications deliver 136 micrograms of active ivermectin for dogs between 26 and 50 lbs, destroying microfilariae in the tissue phase before they can reach the heart. Pharmacologically, the active therapeutic compound is indistinguishable.
The primary difference is formulation: Heartgard Plus features a soft, chewable beef cube formulated with pyrantel pamoate (an intestinal dewormer). Nuheart is a compact soluble tablet containing pure ivermectin without pyrantel. If your dog already receives intestinal worm coverage from a separate broad-spectrum flea/tick treatment, paying a premium for Heartgard Plus is often unnecessary.
How to Prevent Missed Doses in High-Mosquito Seasons
Heartworms require an intermediate mosquito host to develop into infective L3 larvae. In warm, humid climates, transmission occurs year-round. Missing a single monthly dose by even 15 days can allow larvae to advance past the stage susceptible to macrocyclic lactones, creating a window for mature worm development.
We recommend setting recurring calendar alerts or enrolling in a scheduled auto-delivery program to guarantee seamless monthly administration.