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						 Heartworm Comparison 
  
Confused about Heartworm prevention options? These two charts compare current heartworm preventive products side by side to assist you in determining which is right for your situation. 
   
| 
   
 | 
 For Dogs or Cats 
 | 
 Heartworm Preventing Ingredient 
 | 
 Other Ingredients for Control of Other Parasites 
 | 
 Other Parasites Controlled 
 | 
 Mode of Application 
 | 
 Youngest Age to Start Using 
 | 
 
| 
 Heartgard for Dogs 
 | 
 Dogs 
 | 
 Ivermectin 
 | 
 None 
 | 
 None 
 | 
 oral 
 | 
 6 weeks 
 | 
 
| 
 Heartgard Plus, Iverhart Plus, Iverhart Max, Triheart Plus, Pet Trust Plus 
 | 
 Dogs 
 | 
 Ivermectin 
 | 
 Pyrantel Pamoate Iverhart Max also has Praziquantel 
 | 
 Hookworms, Roundworms Iverhart Max also covers Tapeworms 
 | 
 oral 
 | 
 6 weeks 
 | 
 
| 
 Heartgard for Cats 
 | 
 Cats 
 | 
 Ivermectin 
 | 
 None 
 | 
 Hookworms 
 | 
 oral 
 | 
 6 weeks 
 | 
 
| 
 Interceptor, Milbeguard, Milbehart
  
 | 
 Dogs and Cats 
 | 
 Milbemycin Oxime 
 | 
 None 
 | 
 Hookworms, Roundworms, Whipworms 
 | 
 oral 
 | 
 4 weeks for puppies 6 weeks for kittens 
 | 
 
| 
 Interceptor Plus
  
 | 
 Dogs 
 | 
 Milbemycin Oxime 
 | 
 Praziquantel 
 | 
 Hookworms, Roundworms, Whipworms, Tapeworms 
 | 
 oral 
 | 
 6 weeks (and at least 2 lbs) 
 | 
 
| 
 Sentinel, Sentinel Spectrum 
 | 
 Dogs 
 | 
 Milbemycin Oxime 
 | 
 Lufenuron Sentinel Spectrum also has Praziquantel 
 | 
 Hookworms, Roundworms, Whipworms, sterilizes Fleas Sentinel Spectrum also covers Tapeworms 
 | 
 oral 
 | 
 6 weeks (and at least 2 lbs) 
 | 
 
| 
 Revolution, Paradyne, Revolt, Senergy
  
 | 
 Dogs and Cats 
 | 
 Selamectin 
 | 
 None 
 | 
 For dogs: Fleas, Ticks, Ear Mites, For Cats: Fleas, Ear Mites, Hookworms, Roundworms 
 | 
 topical 
 | 
 6 weeks for puppies 8 weeks for kittens 
 | 
 
| 
 Advantage Multi, Imoxi Topical, Parasedge, Midamox, Barrier
  
 | 
 Dogs and Cats 
 | 
 Moxidectin 
 | 
 Imidocloprid 
 | 
 For dogs: Fleas, Hookworms, Roundworms, Whipworms  For Cats: Fleas, Ear Mites, Hookworms, Roundworms 
 | 
 topical 
 | 
 7 weeks for puppies 9 weeks for kittens 
 | 
 
| 
 Proheart6, Proheart12
  
 | 
 Dogs 
 | 
 Moxidectin 
 | 
 None 
 | 
 Hookworms 
 | 
 injectable 
 | 
 6 months for Proheart6, 12 months for Proheart12 (and no older than 7 years) 
 | 
 
| 
 Trifexis 
 | 
 Dogs 
 | 
 Milbemycin Oxime 
 | 
 Spinosad 
 | 
 Fleas, Hookworms, Roundworms, Whipworms 
 | 
 oral 
 | 
 8 weeks 
 | 
 
| Coraxis | 
 Dogs 
 | 
 Moxidectin 
 | 
 None 
 | 
 Roundworms, Hookworms, Whipworms 
 | 
 topical 
 | 
 7 weeks and at least 3 lbs 
 | 
 
Simparica Trio
  | 
 Dogs 
 | 
 Moxidectin 
 | 
 Sarolaner, pyrantel pamoate 
 | 
 fleas, ticks, roundworms, hookworms 
 | 
 oral 
 | 
 8 weeks, 2.8 lbs 
 | 
 
| Bravecto Plus | 
 Cats 
 | 
 Moxidectin 
 | 
 Fluralaner (for fleas and ticks) 
 | 
 ticks, fleas, hookworms, roundworms 
 | 
 topical 
 | 
 6 months 
 | 
 
 
  
| 
   
 | 
 How Often Used 
 | 
 Approved for Pregnancy and Lactation? 
 | 
 Water-proof? 
 | 
 Safe to Give to Heartworm Positive Animal? 
 | 
 Manufacturer Website 
 | 
 LD50 what’s this? 
 | 
 
| 
 Heartgard for Dogs 
 | 
 monthly 
 | 
 yes 
 | 
 yes 
 | 
 yes 
 | 
 Heartgard 
 | 
 10 mg/kg in rats orally according to MSDS sheet for Parade Equine Gel 
 | 
 
| 
 Heartgard Plus, Iverhart Plus, Triheart Plus, Pet Trust Plus 
 | 
 monthly 
 | 
 yes 
 | 
 yes 
 | 
 yes 
 | 
 Heartgard Plus Iverhart Plus Triheart Plus PetTrustPlus 
 | 
 10 mg/kg in rats orally for ivermectin; >690 mg/kg in dogs orally for Pyrantel Pamoate according to The Elephant Formulary by Mikota and Plumb 
 | 
 
| 
 Heartgard for Cats 
 | 
 monthly 
 | 
 yes 
 | 
 yes 
 | 
 yes 
 | 
 Heartgard 
 | 
 10 mg/kg in rats orally 
 | 
 
| 
 Interceptor, Milbeguard, Milbehart 
 | 
 monthly 
 | 
 yes 
 | 
 yes 
 | 
 In most cases yes but if microfilariae numbers are high then no 
 | 
 Interceptor Milbeguard 
 | 
 LD50 information unavailable Symptoms of tremors and incoordination result at 19 times recommended dose 
 | 
 
| 
 Interceptor Plus 
 | 
 monthly 
 | 
 not tested for lactation, consult your vet regarding use in pregnancy 
 | 
 yes 
 | 
 In most cases yes but if microfilariae numbers are high then no 
 | 
 Interceptor Plus 
 | 
 LD50 information unavailable Symptoms of tremors and incoordination result at 19 times recommended dose 
 | 
 
| 
 Sentinel, Sentinel Spectrum 
 | 
 monthly 
 | 
 yes 
 | 
 yes 
 | 
 In most cases yes but if microfilariae numbers are high then no 
 | 
 Sentinel 
 | 
 LD50 information unavailable Symptoms of tremors and incoordination result at 19 times recommended dose 
 | 
 
| 
 Revolution, Paradyne, Revolt, Senergy
  
 | 
 monthly 
 | 
 yes 
 | 
 yes 
 | 
 yes 
 | 
 Revolution 
 | 
 >1600 mg/kg in the rat orally 
 | 
 
| 
 Advantage Multi, Imoxi Topical, Parasedge, Midamox, Barrier
  
 | 
 monthly 
 | 
 no 
 | 
 no 
 | 
 yes 
 | 
 Advantage Multi 
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 Moxidectin: 106 mg/kg orally; Imidocloprid: 450 mg/kg in the rat orally 
 | 
 
| 
 Proheart6, Proheart12
  
 | 
 every 6 months for Proheart6, every 12 months for Proheart12 
 | 
 yes 
 | 
 yes 
 | 
 No, in fact owner must agree to pre-treatment labwork including heartworm testing 
 | 
 Proheart6 
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 263 mg/kg in the rat when given by injection (the dose used therapeutically is 0.17mg/kg) 
 | 
 
| 
 Trifexis 
 | 
 monthly 
 | 
 Manufacturer cautions use, says to discuss with your veterinarian 
 | 
 yes 
 | 
 In most cases yes but if microfilariae numbers are high then no 
 | 
 Trifexis 
 | 
 Milbemycin Oxime: LD50 information unavailable  Spinosad: >3,000 mg/kg in rats; >2,000 mg/kg in rabbits (translates to over 30 times recommended dose) 
 | 
 
| 
 Coraxis 
 | 
 monthly 
 | 
 no 
 | 
 no 
 | 
 yes 
 | 
 BayerDVM 
 | 
 106 mg/kg orally 
 | 
 
| 
 Simparica Trio 
 | 
 monthly 
 | 
 no 
 | 
 yes 
 | 
 no 
 | 
 Zoetis 
 | 
 783 mg/kg for rats (oral) 
 | 
 
| 
 Bravecto Plus 
 | 
 every 2 months 
 | 
 no 
 | 
 no 
 | 
 manufacturer recommends use with caution 
 | 
 Merk Animal Health 
 | 
 Fluralaner: Dermal LD50: >2000 mg/kg (rat), Oral LD50: >2000 mg/kg (rat) Moxidectin: 106 mg/kg orally 
 | 
 
 
  
  
  
For a comparison of the anti-flea products (Comfortis, Vectra 3D, Vectra for Cats, Promeris Feline, Revolution, Advantage, K9 Advantix, Advantage Multi, Frontline, Frontline Plus, Program, Sentinel and Capstar), click here. 
For comparison of the anti-tick products (K9 Advantix, Revolution, Promeris, Preventic Collar, Frontline and Vectra 3D) click here.
  
  
Page last updated: 5/18/2024 
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