Onsior for Cats, 6 mg

Fast Postoperative Pain Relief for Cats 

Product Description

Onsior tablets for cats contain robenacoxib, a COX-2 selective non-steroidal anti-inflammatory drug designed to control postoperative pain and inflammation following orthopedic surgery, spaying, or neutering procedures. It is approved for cats weighing at least 5.5 pounds and four months of age, with once daily dosing for up to three days to support short-term recovery.

Please note: Your product may arrive in a HardyPaw Pharmacy vial, manufacturer packaging is shown for reference.

Benefits

• Rapid Onset: Reaches peak blood concentrations in about 0.5 hours for quick postoperative pain control.
• COX 2 Selective: Targets COX 2 enzymes to reduce inflammation while sparing most COX 1 activity.
• Proven Effectiveness: Demonstrated 83.5 percent treatment success compared to 53.8 percent with placebo.
• Short Term Use: Approved for once daily dosing for a maximum of three total days.
• Flexible Administration: May be given with or without food and can be interchanged with injection when prescribed.

Ingredients

Active Ingredients

Robenacoxib 6 mg per tablet

How to Use

Recommended-Dosage Chart

Dosage & Administration Instructions

• Prescription Required: Federal law restricts this medication to licensed veterinarians or their order.
• Weight Limitations: Use only in cats at least 5.5 pounds and four months of age.
• Pre Surgery Dose: Administer the first dose approximately 30 minutes before surgery with pre-anesthetic agents.
• Maximum Duration: Do not exceed one dose daily or three total doses over three days.
• Tablet Handling: Tablets are not scored and must not be broken before administration.
• Food Flexibility: May be given with or without food based on veterinarian guidance.
• Daily Limit: Administer once daily for a maximum of three total days, not exceeding one dose per day.

Disclaimer: This dosage information is provided by the manufacturer. Always consult your veterinarian before administering or adjusting any supplement for your pet.

Additional Information

Precautions

• Baseline Testing: Conduct hematology and serum biochemistry testing before starting NSAID therapy.
• Avoid NSAID Combination: Do not administer alongside other NSAIDs or corticosteroids.
• Monitor Appetite: Discontinue use if decreased appetite or lethargy develops during treatment.
• Cardiac Consideration: Use caution in cats with cardiac disease, as QT prolongation may occur.
• Renal Support: Fluid therapy during surgery is recommended to reduce potential kidney complications.

Possible Side Effects

• Gastrointestinal Signs: Vomiting, diarrhea, or inappetence have been reported in treated cats.
• Lethargy Reports: Depression or lethargy may occur during or after treatment.
• Renal Changes: Elevated BUN, creatinine, renal insufficiency, or renal failure have been reported.
• Weight Loss: Weight loss and dehydration have been observed in post-approval reports.
• Serious Outcomes: In rare cases, death has been reported following adverse reactions.

Storage Information

• Room Temperature: Store at room temperature, between 59°F and 77°F.
• Original Packaging: Do not remove the tablets from the blister pack until it is time to give them.

Shipping & Return

We offer ground, express, priority, and international delivery; see our shipping policy for details.

For return instructions or product concerns, please refer to our detailed refund policy. 

Prescription items are NON-RETURNABLE and NON-REFUNDABLE.  

Frequently Asked Questions

Q1: What is Onsior for cats used for?

Ans: Onsior tablets are prescribed to control pain and reduce inflammation in cats after procedures like orthopedic surgery, spaying, or neutering. The medication is approved for short term use in cats that meet the age and weight requirements listed on the label.

Q2: How long can I give Onsior to my cat?

Ans: Onsior tablets are approved for once daily administration for a maximum of three total days. Treatment should not exceed one dose per day or three doses overall, as stated in the FDA-approved label for postoperative pain management in cats.

Q3: Can Onsior be given with food?

Ans: Yes, Onsior tablets may be administered with or without food. The manufacturer states that oral doses can be given regardless of meals, allowing flexibility based on your veterinarian’s instructions and your cat’s normal feeding routine.

Q4: Is Onsior safe for all cats?

Ans: Onsior is approved only for cats at least four months of age and weighing 5.5 pounds or more. It should not be used in cats with known hypersensitivity to robenacoxib or intolerance to NSAIDs, according to the approved label.

Q5: Does Onsior require a prescription?

Ans: Yes, Onsior is available by prescription only. Under federal regulations, it can be dispensed solely by a licensed veterinarian or given under their direct authorization. The medication should be used strictly under veterinary guidance and supervision.