Simparica PRODUCT REVIEWS PAGE 1 OF 1 Simparica is a fast-acting liver flavored chewable tablet for flea and tick preventative that begins killing fleas and ticks within hours of administering and remains effective for one month to prevent re-infestations. Quantity Options 2.8 - 5.5 lbs 3-dose 2.8 - 5.5 lbs 6-dose 2.8 - 5.5 lbs 12-dose 5.6 - 11 lbs 3-dose 5.6 - 11 lbs 6-dose 5.6 - 11 lbs 12-dose 11.1 - 22 lbs 3-dose 11.1 - 22 lbs 6-dose 11.1 - 22 lbs 12-dose 22.1 - 44 lbs 3-dose 22.1 - 44 lbs 6-dose 22.1 - 44 lbs 12-dose 44.1 - 88 lbs 3-dose 44.1 - 88 lbs 6-dose 44.1 - 88 lbs 12-dose 88.1 - 132 lbs 3-dose 88.1 - 132 lbs 6-dose 88.1 - 132 lbs 12-dose ADD TO CART Rated 5 out of 5 by 6 reviewers. Smooth process I did not have to do anything. PetCareRx took care of everything for prescription order. by Nisha on 07/02/2020 great medicine I tried various medicine for my dogs so far Simparica is the best by Mia Kok on 04/23/2020 Simparica I love this product! It has worked great for my 9 year old Shih Tzu and it is cheaper than the other brands. by Rissa on 10/27/2019 Great Price great price on the simparica by Janis on 09/10/2019 great! our dogs have been using these oral meds for years and we haven't had any issues. by Kim on 04/18/2019 Great product Haven't seen a Flea all Summer (or at least the last 2 months) We have 2 dogs and the just gobble the pills down......Thanks Simparica and our Vet who recommended them.... by Cliff on 08/04/2018 Page 1 of 1 1 Shop This Product