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Since these are prescription medications, you will need a valid authorization from your veterinarian before the order can be shipped.

If you are looking for or Sentinel Spectrum , these are prescription-only oral medications for dogs that prevent heartworms and control other parasites like fleas, hookworms, and roundworms. buy sentinel online

: Offers the same protection as Flavor Tabs but adds Praziquantel to also treat and control tapeworms. Since these are prescription medications, you will need

Sentinel Heartworm Flavor Tablets for Dogs - Oral Tabs - Allivet Since these are prescription medications

: Offers various weight-based boxes (e.g., White for 51–100 lbs).