Ivermectin and fenbendazole for dogs

Parasitic infections remain a common concern among pet owners. If you have a dog at home, they might get affected by heartworms and mites, which silently affect their health. Due to such infestations, dogs can undergo digestive issues, weight loss, and fur irritation. Delaying treatment may worsen symptoms and complications. And so, pet deworming with trusted medications like Ivermectin and Fenbendazole for dogs is important. They have well-established safety and efficacy for Veterinary-use. With combined use, they target mixed worm infections and support the pet’s recovery. 

What is Ivermectin for Dogs?

Ivermectin is a highly effective anthelmintic commonly prescribed in dogs for preventing and treating several types of parasitic worm infections. This macrocyclic lactone drug works by affecting the nervous system of parasites to stop their growth and spread. In dogs, it is mainly advised for improving: 

• Heartworms 

• Mites (mange) 

• Intestinal worms 

What is Fenbendazole for Dogs?

Fenbendazole is the FDA-approved antiparasitic treatment for Veterinary use. It is commonly prescribed for deworming in pets, including dogs. This benzimidazole anthelmintic agent helps in clearing parasites by disrupting their energy metabolism. The energy-depleted worms fail to survive longer, die eventually, and are discarded from the bloodstream.  

Its broad-spectrum parasite coverage makes it a first choice in clearing: 

• Hookworms 

• Roundworms 

• Whipworms 

• Tapeworms (certain species) 

• Giardia (in some dogs) 

Ivermectin vs Fenbendazole: Key Differences

Let’s check out the key differences between Ivermectin and Fenbendazole for dogs: 

Feature	Ivermectin	Fenbendazole
Primary Use	Prevention and management of Heartworms	Combating several types of intestinal worms
Targeted parasites	Heartworms, mites, and some worm species	Disrupts glucose absorption of parasites for starving, killing, and flushing from the system
Working	Certain breeds are sensitive, especially those with the MDR1 gene mutation	Short-term, used once daily for 3 or 5 consecutive days
Treatment period/frequency	A single dose is mostly enough. For preventive deworming, this medicine can be given once a month.	Impairs the nervous system of parasites
Breed-sensitivity	Safe for most dog breeds	Gets narrower with higher strengths
Safety	Gets narrow with higher strengths	Well-established safety

When Are These Medications Used Together?

Ivermectin and fenbendazole for dogs are used together in specific situations when a single dewormer fails to control the mixed parasitic infestations. Here are some instances for understanding combined dosage preferences: 

• The dog is diagnosed with heartworms and intestinal worms at the same time 

• Several worm species are involved 

• Reliable antiparasitic treatment is needed for shelter/rescue dogs with an unknown history 

Combining these anti-worm therapies offers broad-spectrum coverage but should not be approached without consulting the Vet. 

Dosage Guidelines

Correctness of dosage with Ivermectin and fenbendazole for dogs is extremely important for the desired deworming. Mostly, the Vet determines the exact dosage for any given medication according to the pet’s breed, age, bodyweight, overall fitness, type and complexity of symptoms, etc.  

The general dosage guidelines are as follows: 

• Ivermectin Dosage for Dogs: A low dose is given once a month for preventing heartworms. Adjustments can be made with higher dosages for managing severe symptoms.  

• Fenbendazole Dosage for Dogs: It is usually suggested for once-daily use for 3 or 5 consecutive days according to the severity of parasitic infection. 

How to Administer the Medications?

The veterinarian shall examine the pet’s fitness, type and severity of worm infection through faecal tests, and then suggest a treatment plan with Ivermectin and fenbendazole for dogs. 

Panacur 150 Mg (Fenbendazole) is available in tablet form. 

Tips for smooth administration: 

• Give the exact tablet dose prescribed by your veterinarian 

• Place the tablet directly in the pet’s mouth or hide it in a small amount of food 

• Follow the vet-recommended schedule and complete the full course 

• Do not double the next dose if a dose is missed. Follow your vet’s instructions 

• Monitor your pet for mild side effects like vomiting or diarrhoea 

Possible Side Effects

Ivermectin and Fenbendazole for dogs are generally safe (if prescribed) but cause some temporary side effects like: 

• Lethargy 

• Vomiting 

• Diarrhea 

• Loss of appetite 

These symptoms settle down as the effectiveness of these dewormers reduces in the bloodstream, and so the vet’s help isn’t required. If any unusual side effects are noticed, then seek medical help as soon as possible: 

• Seizures 

• Tremors 

• Dilated pupils 

• Lack of coordination/imbalance 

Safety Precautions

Certain precautionary measures should be considered when using Ivermectin and Fenbendazole for dogs. Here are the ones to not miss out: 

• Record your dog’s weight before starting treatment. This will help you determine if the pet has gained some weight after parasite removal. 

• Inform the Vet regarding medications you’ve given to your pet and those they are allergic to. 

• Run a test for heartworms before attempting this antiparasitic medication. 

• Do not use livestock dewormers unless the Veterinarian suggests. 

• Dogs with a specific gene mutation (MDR1) require extra caution with anti-worm therapies (especially with Ivermectin). 

• Avoid using these drugs for routine deworming unless you’ve availed a schedule from the Vet. Also, don’t alter the treatment schedule, or the risk of major side effects prevails. 

• Ensure hygienic surroundings for the dog and keep their food/water sources clean to prevent contamination. 

• If you have more than one pet, keep them separate while the infected one is recovering. This shall help in preventing infection from spreading. 

Signs the Treatment is Working

Here are a few signs confirming that Ivermectin and fenbendazole for dogs are working: 

• Your dog seems to have more energy now 

• The pet’s stool consistency improves 

• Itchiness reduces (in case mites were present) 

• Healthy weight gain, specifically in underweight dogs 

When to Consult a Veterinarian?

You know it’s necessary to consult a veterinarian now when any of these instances relate: 

• The dog has symptoms of major side effects 

• Parasitic infection prevails after completing treatment 

• An overdose is suspected 

• Your dog is a herding breed and requires Ivermectin 

Prevention Tips for Parasites in Dogs 

“Prevention is better than cure”, they say. This is true when your dog has just been treated with anti-worm medication, and you are concerned about preventing a similar infection anytime soon.  

Here are a few preventive measures to consider for reducing treatment frequency with Ivermectin and fenbendazole for dogs: 

• Conduct faecal tests regularly 

• Get a specific routine for preventing heartworm 

• Ensure that the pet’s surroundings are clean 

• Don’t let the pet search for food in unhygienic spaces 

• Prevent exposure to contaminated water 

FAQs

Conclusion 

Ivermectin and Fenbendazole for dogs are powerful antiparasitic treatments. Both intend to tackle parasitic worms in pets. Ivermectin is effective against heartworms, roundworms, and hookworms. Fenbendazole fights whipworms and tapeworms in addition to the former. Overall, these dewormers help in maintaining a dog’s health with proper dosage under a vet’s supervision. Preventive measures should be adapted to ensure safety and effectiveness after such therapy.