Flea & tick prevention what to use? Help Breeder prefers revolution vet just prescribed Nexgaurd & heart guard. (The vet liked Revolution until Casey's wt just changed- he is 1 yr and weighs 5 & 3/4. The Revolution I was using was for under 5 lbs.) revolution does cover all & is topical I see there are side effects for all flea & tick - Nexgaurd only had minor tummy issues |