Elanco Animal Health

Onsior® Tablets

Elanco Animal Health
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$23.90 - $41.57
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Onsior® Tablets
Product Information
Onsior® is a coxib-type non-steroidal anti-inflammatory drug (NSAID) used to treat inflammation and pain in cats. 
Cats (weighing more than 5.5 lbs and are 4 months of age and older)
Generic Name
Brand Names
Drug Class
Nonsteroidal Anti-inflammatory Drug (NSAID), COX-2 Selective
Product Flavoring
Onsior® Tablets are yeast flavored.
*Contains yeast.
Product Description & Form
Onsior® 6 mg Tablets 3 ct & 6 ct: 6 mm, brown (speckled brown, white, or tan), round tablet, not scored, imprinted with NA;AK. (NDC 58198-4875-01)
  • Used for the relief of pain and inflammation before and after surgical procedures for a maximum of 3 days
  • Can be given with or without food
  • Targets inflamed tissues
  • Comes in blister card with 3 or 6 tablets
Active Ingredients
Inactive Ingredients
Microcrystalline cellulose, povidone, crospovidone, silicon dioxide, magnesium stearate. 
Onsior® Tablets should be given orally as directed by your veterinarian.  Should be given as a whole tablet, tablets are not designed to be broken. Can be given for up to a maximum of three total doses over three days, not to exceed one dose per day. DO NOT give the pet more medicine than directed and do not give more often than directed. 
Missed Doses
Give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give 2 doses at once.
Side Effects
Side effects may include anorexia (lack of appetite), lethargy, depression, vomiting, diarrhea, kidney disease, and kidney failure. Bleeding or infection at the incision site is also possible. Notify your veterinarian if side effects appear and remain troublesome.
Other side effects may occur, if you notice anything unusual, contact your veterinarian.
Drug & Food Interactions
Robenacoxib should not be administered with any other NSAIDs or corticosteroids. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.
Make sure to tell your veterinarian what other medication you are giving to your pet. Quite often your veterinarian may prescribe two different medications, even if a drug interaction may occur. In this case, your veterinarian may vary the dose and/or monitor your pet more closely. 
Keep out of reach of children and pets. Not for human use. DO NOT use tablets intended for dogs in cats. Cats cannot be accurately dosed with the tablets intended for dogs.  Only use tablets intended for cats when needed for cats. 
Robenacoxib should not be used in dogs exhibiting previous hypersensitivity to robenacoxib. 
Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies. If your pet displays symptoms of an allergic reaction, call your veterinarian immediately or go to a veterinary emergency clinic. Symptoms may include but are not limited to: swollen lips, tongue, face, airways; difficulty breathing; agitation; profuse salivation; vomiting; widespread hives and itching.
Adverse Reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact the manufacturer Elanco at 888-545-5973 or Vetsource customer service at 877-738-4443.
Store at 59°F to 77°F in controlled room temperature. Keep this medicine out of reach of children. Store in a childproof container. Store this medicine in a cool, dry place at room temperature. Store away from heat and direct sunlight. Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.
Sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.
$23.90 - $41.57