What is Onsior?
Onsior contains robenacoxib, a non-steroidal anti-inflammatory drug (NSAID) designed to target inflamed tissues more selectively. It is commonly prescribed for short-term treatment, particularly in cases of acute or post-operative pain.
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What is Onsior used for?
Onsior is used in dogs and cats for:
- acute pain and inflammation
- post-surgical pain
- short-term inflammatory flare-ups
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Dosage
Onsior is available as oral tablets in the following strengths:
- 5 mg
- 6 mg
- 10 mg
- 20 mg
- 40 mg
The tablet strength and duration of treatment are determined by the veterinarian.
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How and how often should I give Onsior to my pet?
Onsior is administered orally, once daily, usually as a short treatment course.
It is important to follow the prescribed duration exactly.
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What are the side effects and precautions associated with Onsior?
Onsior is generally well tolerated, but mild and temporary side effects may occur:
- vomiting
- diarrhea
- temporary loss of appetite
Precautions:
- do not combine with other NSAIDs or corticosteroids
- strictly follow the prescribed treatment duration
- inform your veterinarian if digestive signs persist
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Frequently asked questions aboutOnsior
Can I buy Onsiorwithout a prescription?
How long does it take forOnsiorto work
What should I do if I miss a dose ofOnsior?
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Warning

Any medication or natural health product may cause serious side effects or interact with other medications. It is essential to carefully reads the labels, warnings, and brochures provided by the manufacturer, and consult your pharmacist or veterinarian when purchasing products. Always keep medications and natural health products out of reach of children.
The medications and pharmaceutical services presented on anipharm.ca are exclusively provided by the pharmacists of Maël Robert-Lamarre pharmacien Inc., affiliated with AniPharm.
These services are offered solely under the responsibility of Maël Robert-Lamarre Pharmacist Inc. Specific conditions may apply – please consult your pharmacist.
The pharmacy owner, Maël Robert-Lamarre, is solely responsible for the operation of the pharmacy.
In case of emergency or for any questions regarding your pet’s health, please consult your veterinarian.

