Benzimidazoles

Question 1

What are some of the most commonly used and most effective antiparasitics?

Answer 1

Benzimidazoles

Question 2

Examples of Benzimidazoles

4

Answer 2

1. fenbendazole (panacure)
2. oxfenbendazole
3. febantel
4. mebendazole

Question 3

What does Febantel get metabolized into?

Answer 3

1. fenbendazole

2. oxyfenbendazole

Question 4

How does Benzimidazoles control parasites?

Answer 4

kills parasites by interfering with energy metabolism

Question 5

What is Benzimidazoles effective against in horses?

3

Answer 5

1. strongyles
2. pinworms
3. ascarids

Question 6

What is Benzimidazoles effective against in cattle?

3

Answer 6

1. trichostrongyles
2. ascarids
3. stomach worms

Question 7

What is Albendazole effective against in cattle?

Answer 7

liver flukes

Question 8

What is Fenbendazole effective against in cattle?

Answer 8

lungworms

Question 9

What is Benzimidazoles effective against in dogs and cats? (4)

Answer 9

1. ascarids
2. hookworms
3. whipworms
4. some tapeworms (taenia spp.)

Question 10

What are the precautions for using Benzimidazoles?

Answer 10

1. vomiting, diarrhea rarely observed

2. mebendazole/oxibendazole can be toxic to the liver