Simparica (sarolaner) Chewables for Dogs
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35-Day Tick & Flea Defense: Simparica is a tasty, once-a-month chewable that protects your dog from ticks and fleas for 35 days1, ensuring your dog stays protected, even if the next dose is a few days late.
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Kills 6 Types of Ticks: A monthly flea and tick chewable approved to kill 6 types of ticks including the Gulf Coast tick, Brown dog tick, Deer tick, American dog tick, Lone Star tick, and Asian longhorned tick.
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FDA-Approved to Prevent Lyme Infections: FDA-approved to block infections that may cause Lyme disease by killing deer ticks.
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Works Fast: Studies show that Simparica starts killing fleas in 3 hours and ticks in 8 hours.2 Simparica kills adult fleas before they can lay eggs providing much-needed, fast relief for dogs with fleas and dogs with flea allergies.
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Confidence in Every Dose: Simparica is a tasty pork-liver flavored chewable. Approved for dogs 6+ months of age, weighing 2.8 pounds or more and backed by a 100% satisfaction guarantee on prevention.
Ticks and fleas don’t slow down at the end of the month. Your dog’s tick and flea protection shouldn’t either. Simparica starts—and stays—strong all month long1. Approved for dogs 6+ months old, weighing more than 2.8 lbs., Simparica is a tasty, pork liver-flavored monthly chewable that protects dogs from ticks and fleas for 35 days1. It is approved to kill 6 types of ticks including the Gulf Coast tick, Brown dog tick, Deer tick, American dog tick, Lone Star tick, and Asian longhorned tick. It’s FDA-approved to block infections that may cause Lyme disease, by killing deer ticks. Treatment may begin at any time of the year and should continue monthly, year-round without interruption. Feed one chewable; administer at monthly intervals. Simparica comes with a 100% satisfaction guarantee on prevention. If you feel that Simparica isn’t providing sufficient protection, please call Zoetis’ medical support team to discuss the satisfaction guarantee at 1-888-ZOETIS1. Enrolling in auto ship provides savings, convenience, and the peace of mind that your dog never misses a dose. Simparica is eligible for Zoetis Petcare Rewards Program. Sign up for free to earn points on every dollar spent on eligible purchases that can be redeemed for services at your vet. Learn more by visiting ZoetisPetcare.com/Rewards.
IMPORTANT SAFETY INFORMATION:
Simparica is for use only in dogs 6 months of age and older. Simparica, which contains sarolaner, a member of the isoxazoline class, may cause neurologic signs such as tremors, unsteadiness and/or seizures in dogs with or without a history of neurologic disorders. Simparica has not been evaluated in pregnant, breeding, or lactating dogs. The most common adverse reactions in clinical trials were vomiting and diarrhea. See full Prescribing Information at
SimparicaPI.com.
References:
1. Six RH, Everett WR, Young DR, et al. Efficacy of a novel oral formulation of sarolaner (Simparica®) against five common tick species infesting dogs in the United States. Vet Parasitol. 2016;222:28-32.
2. Six RH, Geurden T, Carter L, et al. Evaluation of the speed of kill of sarolaner (Simparica®) against induced infestations of three species of ticks (Amblyomma maculatum, Ixodes scapularis, Ixodes ricinus) on dogs. Vet Parasitol. 2016;222:37-42.
Product sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.
For
Dogs (6 months of age and older)
Active ingredient(s)
Sarolaner
Product class
Parasite preventative, Chewable tablet
Product flavoring
Simparica Chewable tablets are pork liver flavored.*
*Contains ingredients derived from pork, soy, lactose, corn, and wheat.
Product strength & size
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Body Weight
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Sarolaner (per tablet)
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2.8 to 5.5 lbs
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5 mg
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5.6 to 11 lbs
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10 mg
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11.1 to 22 lbs
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20 mg
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22.1 to 44 lbs
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40 mg
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44.1 to 88 lbs
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80 mg
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88.1 to 132 lbs
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120 mg
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>132 lbs
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Administer the appropriate combination of tablets to cover the dog’s full body weight.
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Please ensure the selected product and quantity are appropriate for your pet, as recommended by your veterinarian. For current availability, please refer to the product selection above.
Usage
Simparica Chewables should be administered as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.
If a dose is missed, administer Simparica immediately to resume monthly dosing and notify your veterinarian. Do not give two doses at once.
If multiple doses have been missed, consult your veterinarian prior to restarting the monthly dosing schedule. If you have questions about your pet’s prescribed dosing schedule (e.g., timing, interval), please contact your veterinarian.
Manufacturer Directions for Use*
Simparica is given once a month, with or without food, as directed by your veterinarian.
*Additional information may be provided within the manufacturer’s full Prescribing Information. Always follow the specific instructions provided by your veterinarian regarding your pet's care.
Storage
Store in a cool, dry place at a controlled room temperature (at or below 86°F), with excursions permitted up to 104°F. Keep this and all other medications in a secure location out of the reach of children and animals. Tablets should remain sealed in their original packaging and should only be taken out of the blister pack at the time of dosing.
Exposure to extreme temperatures, light, or moisture can affect the integrity and effectiveness of medications. Always store this medication properly (e.g., away from the bathroom, kitchen sink, or other damp places).
Side effects
The most common side effects of this medication are vomiting and diarrhea.
Contact your veterinarian immediately if you notice your pet has a seizure, tremors, extreme weakness, or decreased coordination (e.g., stumbling, difficulty walking).
The information provided above may not encompass all possible side effects. Please notify your veterinarian if your pet experiences any side effects, including those listed above, or if you notice anything unusual.
Precautions
Before using this product, please review the manufacturer’s full Prescribing Information for any relevant warnings and safety precautions.
For oral use in dogs only. Do not use Simparica in cats.
Not for use in humans. Keep this and all medications out of reach of children and animals to prevent accidental ingestion or overdose.
Use with caution in dogs with a history of seizures or neurologic disorders.
Do not administer this medication to animals with a known or suspected allergy/hypersensitivity to it or any of its ingredients. Allergic reactions to medications may occur. Please inform Vetsource and your veterinarian if your pet has any known sensitivities or allergies, especially to medications and supplements.
If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways; difficulty breathing; agitation; profuse salivation; and widespread hives or itching.
Drug and food interactions
While there are no documented drug or food interactions reported for Simparica Chewables, potential interactions may still be possible. As with all medications, please consult your veterinarian if you have any questions or concerns prior to use. Contact your veterinarian if your pet experiences any unusual reactions when multiple medications and/or supplements are given together.
Please ensure your veterinarian is aware of all medications, supplements, and over-the-counter (OTC) products that your pet is currently using. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.
Adverse reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Zoetis at 1-888-963-8471 or Vetsource Pet Owner Care at 877-738-4443.
Overdose
If you have any reason to suspect accidental consumption or overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.
For humans:
The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.
For animals:
The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.
Pet Poison Helpline also provides a 24/7 animal poison control service at 855-764-7661.
*Please note: The contact information provided above is for third-party services in the event of a potential poison-related emergency. Consultation fees may apply for these services.
Disclaimer
The content provided on this page is NOT medical advice.
All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.
For additional information about this product and how it fits into your pet's individual treatment plan, please consult your veterinarian.
Last revised: 6/12/2026