Crossroads Animal Hospital

123 Nashua Road
Londonderry, NH 03053

(603)437-1010

crossroadsanimal-hospital.com

This page is dedicated to the different flea and tick preventatives we offer here at the hospital. Check out this video about the deer tick and keep in mind that your pet needs prevention year-round!

Simparica is a monthly chewable flea and tick treatment that is only safe for dogs. It is a liver flavored chew tablet and is available by prescription so please call ahead for a refill. We strongly recommend flea and tick control year-round. 

Current Offers: If you buy 6 doses of Simparica, receive a $15 rebate. If you buy 12 doses of Simparica, receive a $35 rebate. Combine 6 months of Simparica with one 6-month injection of ProHeart 6, receive a $20 rebate. Combine 12 months of Simparica with one 6-month injection of ProHeart 6, receive a $45 rebate. We will submit your rebate online for you! 


Frontline Gold is safe for both dogs and cats. It is a monthly topical flea and tick treatment. You can purchase this right in our hospital, over the counter. We strongly recommend flea and tick control year-round.

Current Offers: If you buy 3 doses, you get 1 dose free. If you buy 6 doses, you get 2 doses free. All doses have to be of the same size. Also, if you buy 12 doses of Heartgard and 12 doses of Frontline, there is a $50 mail-in rebate. You will fill out the rebate form in the hospital and we will mail it in for you.


Nexgard is a monthly chewable flea and tick treatment that is only safe for dogs. Flea and tick treatment is recommended year-round. Due to the fact that it is absorbed through the blood stream, Nexgard is a prescription so please call ahead for a refill.

Current Offers: If you buy 12 doses of Heartgard and 6 doses of Nexgard, there is a $25 mail-in rebate.  If you buy 12 doses of Heartgard and 12 doses of Nexgard, there is a $50 mail-in rebate. You will fill out the rebate form in the hospital and we will mail it in for you.

Seresto Collars for cats and dogs is a collar that kills and repels fleas and ticks and is worn for 8 continuous months of protection. This is an over-the-counter product, so you can come in any time to pick it up.

Current offers: While Seresto Collars can be purchased elsewhere, there is a $15 mail-in rebate when purchased here. You will need the rebate form (we will give that to you) as well as the original receipt. There is a number on the Seresto tin that you will also need to write on the rebate form.