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General Medication Fact Sheet for Simparica Trio
| Field | Information |
|---|---|
| Medication Name | Simparica Trio |
| Generic Name | Sarolaner, Moxidectin, Pyrantel |
| Purpose | Prevents heartworm disease, kills fleas and ticks, and treats and controls roundworms and hookworms in dogs. |
| Mechanism of Action | Sarolaner: Blocks insect and acarine ligand-gated chloride channels (GABA-receptors and glutamate-receptors). Moxidectin: Interferes with nerve and muscle function in parasites. Pyrantel: Acts as a depolarizing neuromuscular blocking agent in parasites. |
| Dosage Forms | Oral chewable tablets |
| Available Strengths | Multiple strengths available based on dog’s weight: 2.5-5kg, 5-10kg, 10-20kg, 20-40kg, 40-60kg |
| Dosage Frequency | Once a month |
| Common Side Effects | Vomiting, diarrhea, lethargy, anorexia |
| Serious Side Effects | Seizures, ataxia (wobbly gait), tremors |
| Drug Interactions | No known significant drug interactions; use with caution with other macrocyclic lactones. |
| Important Notes | Use with caution in dogs with a history of seizures. Safe for use in puppies 8 weeks of age or older, weighing 2.5 lbs or greater. |
| Storage | Store at room temperature, between 59°F and 86°F (15°C and 30°C). |
| Missed Dose | Give the missed dose immediately and resume monthly dosing schedule. |
| Alternatives | Heartgard Plus, NexGard, Revolution, Interceptor Plus |
Simparica Trio Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Heartgard Plus (ivermectin/pyrantel) | Ivermectin: Interferes with nerve and muscle function in parasites. Pyrantel: Acts as a depolarizing neuromuscular blocking agent in parasites. | Prevents heartworm and treats/controls roundworms and hookworms. Does not protect against fleas or ticks. |
| NexGard (afoxolaner) | Blocks insect and acarine ligand-gated chloride channels (GABA-receptors and glutamate-receptors). | Kills fleas and ticks. Does not protect against heartworm or intestinal parasites. |
| Revolution (selamectin) | Interferes with nerve and muscle function in parasites. | Prevents heartworm, kills fleas, treats ear mites, and controls some ticks and worms. |
| Interceptor Plus (milbemycin oxime/praziquantel) | Milbemycin oxime: Interferes with nerve transmission in invertebrates. Praziquantel: Alters cell membrane permeability in cestodes. | Prevents heartworm and treats/controls roundworms, hookworms, whipworms, and tapeworms. Does not protect against fleas or ticks. |
Simparica Trio Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Vomiting | Seizures |
| Diarrhea | Ataxia (wobbly gait) |
| Lethargy | Tremors |
Simparica Trio Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Heartworm Prevention, Fleas, Ticks, Roundworms, Hookworms | One chewable tablet based on dog’s weight (2.5-5kg, 5-10kg, 10-20kg, 20-40kg, 40-60kg) | One chewable tablet monthly based on dog’s weight. | Administer orally once a month. Can be given with or without food. Choose the appropriate tablet strength based on the dog’s current weight. |
