Led Zeppelin singer Robert Plant appeared to be moved to tears as he and his two surviving band mates watched Heart perform a soaring rendition of the band's 1971 hit Stairway To Heaven at the 2012 Kennedy Center Honors ceremony, which featured a star-studded tribute to his iconic 1960s and 1970s rock group.
These side effects are most common in dogs that possess a mutation in the multidrug resistance gene, which is often referred to as the MDR1 gene. Potential ivermectin side effects include the following: 1  Vomiting. 2  Diarrhea. 3  Decreased appetite.  Dilated pupils.
Moxidectin, the active ingredient in Quest, and ivermectin, the active ingredient in many brand name equine dewormers can be very toxic to dogs and cats. The equine products contain levels of these compounds that are unsafe for small animals. It only takes a very small amount to be toxic to small animals.