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Buying Previcox for Dogs: How to Save & Important Facts

pet medications

April 9, 2025
An old dog lying on floor

Watching your four-legged best friend deal with joint pain, stiffness, or inflammation as a result of surgery or arthritis can be heartbreaking.

Fortunately, with the miracles of modern medicine, you don’t have to just watch. Instead, you and your vet can do something about it. One medication that your veterinarian may mention is Previcox—a prescription-only drug.

Previcox is an NSAID, or a nonsteroidal anti-inflammatory medication. When used properly, Previcox can help your dog enjoy reduced swelling and pain. As a result, your dog can enjoy more mobility and the comfort they truly deserve.

That may sound great—and it is!—but there’s a little more information about Previcox that all dog owners should know.

For example: How much does Previcox for dogs cost? What are the side effects? And is there a cheaper generic version you can try?

We believe that the best possible thing you can do for your dog’s health (and your own mental health!) is to be the most informed pet owner possible. Here’s a comprehensive, easy-to-understand guide on Previcox to help you be just that.

First Things First: What Is Previcox for Dogs?

Previcox is a brand-name medication that leverages the active ingredient “firocoxib.”

Firocoxib, itself, is a selective COX-2 inhibitor. These types of pharmaceutical terms can sound impenetrable—and they often are—but when you break down that term, it becomes a little simpler. Firocoxib stops the action of something called COX-2, in some specific circumstances.

COX-2 is a major part of the tissue inflammation pathway.

When a patient, canine or otherwise, is suffering from arthritis, that’s largely due to overactive inflammation in their bodies.

Shutting down the pathways associated with inflammation can help.

However, that’s very general. (A lot of problems with a dog’s body can be traced back to inflammation.)

Previcox was designed specifically for dogs, and particularly in cases of:

  • Osteoarthritis (a common, chronic joint condition)
  • Post-operative pain (especially after orthopedic surgery)
  • Soft tissue injuries or trauma

After a pet starts taking Previcox under the supervision of a veterinarian, the medication can help reduce the production of prostaglandins, or the compounds that help spread inflammation throughout your dog’s body.

For your dog, that means more comfort.

And for you, as a pet owner, that might mean more walks, less disrupted sleep, and more memories created between you and a dog who’s more interested in daily activities.

What Is Previcox for Dogs Used For?

If you’ve noticed your dog slowing down or yelping with pain when walking, it’s a good idea to take them to the vet.

This is true whenever it happens, but if your dog has recently sustained some sort of physical trauma or has been through surgery, it’s definitely time to call your vet.

Your vet will examine your dog. Then, they may decide to prescribe Previcox if:

  • Your dog has been diagnosed with canine osteoarthritis
  • Your dog has recently undergone surgery on their spine, knees, or hips
  • Your dog is experiencing significant issues with mobility or discomfort that impacts their daily life

Usually, taking Previcox will help your dog enjoy an improved ability to walk, stand, and rest without pain.

Is Previcox Safe for Dogs?

Yes, usually Previcox is safe for dogs when it’s used as prescribed and under veterinary supervision.

That doesn’t mean there aren’t side effects to be aware of—or that you don’t need to be careful about giving your dog the right dosage.

Here’s everything you need to know about dosing, side effects, and other key Previcox information (like how much it costs—and how to save).

Previcox Dosage for Dogs: What You Need to Know

Much of the procedure for using Previcox correctly and safely boils down to using the correct Previcox dosage.

Luckily, this won’t be something you need to figure out on your own. Your veterinarian will review all the information at hand and give you the right dosage for your dog.

Here’s a quick breakdown of the way they’ll arrive at that dosage:

  • The correct Previcox dose for your dog will depend on your dog’s health history weight, and the specific condition you’re hoping to use Previcox to treat.
  • Generally speaking, the correct Previcox dosage is 5mg of the medication per kg of your dog’s body weight. Your dog will take this amount of medication once per day.
  • If we do the math, that means a 20-pound dog would usually receive a 57mg dose, and a 40-pound dog would receive a 114mg dose.

This isn’t always the case, of course.

If your dog has another underlying condition, for example, your vet may want to go with a stronger or weaker dose (to boost efficacy or keep your dog safe).

It’s always important to follow your specific veterinarian’s unique-to-your-dog instructions very carefully. Then, even if it’s clear that your dog needs a change (say, if your dog isn’t responding well to the medication), you need to speak with your vet before making any changes.

Suddenly stopping a prescription medication can be dangerous, so just make sure you’re doing everything with the explicit approval of your dog’s healthcare provider.

Dog lying beside food bowl

Previcox Side Effects in Dogs

Even though Previcox is a safe medication when used responsibly, there are a few side effects that dog owners should be aware of before administering it.

Common side effects associated with Previcox include:

  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Lethargy or changes in activity level

These should be mild and should go away as your dog’s body gets used to the drug.

There are a few rarer, potentially more serious side effects that can occur when a dog starts taking Previcox.

While there should be a very small chance of these happening, it’s best to be prepared These risks include:

  • Stomach ulcers or gastrointestinal bleeding
  • Changes in urination (a potential sign of kidney issues)
  • Yellowing of the eyes or gums (a potential sign of liver damage)
  • Unusual bruising or bleeding

If you notice that any of these happen after your dog starts taking Previcox, call your vet immediately for further instructions.

Is There a Generic Previcox for Dogs?

There is a generic Previcox for dogs available, but it can be hard to find.

The generic version of Previcox leverages the same ingredient as the brand-name version and works in exactly the same way. The only difference should be a few different filler ingredients.

There is a chance that your dog will react to some of the fillers in either the generic or the branded variant, so it’s a good idea to have access to both affordably priced Previcox and firocoxib just in case you need to switch.

That said—one big difference between Previcox and firocoxib is, typically, their prices.

Previcox for Dogs Price: What to Expect

Brand-name Previcox can be extremely expensive.

For a box of 180 tablets of Previcox, United States pet owners may pay as much as $660.00. For a medication your dog may need to use daily over the long-term, that adds up—fast.

Looking for lower prices?

NorthWestPharmacy.com is here to assist. Here, you can buy brand-name Previcox starting at around $1.30 per tablet.

By working with an online and international Canadian pharmacy website, you can take advantage of convenient online ordering and simple to-your-front-door shipping—while benefiting from savings up to 63% when compared to the traditional American retail price.

Tips for Using Previcox Effectively

Excited to get the most out of your dog’s treatment?

After you get a valid, updated prescription for Previcox from your dog’s healthcare provider, consider following these best practices to have the best possible experience for you both.

Administer the drug on a consistent schedule. Try to give your dog their medication at about the same time each day. This will do a couple of things for you—first, it’ll help you both build this into your daily routine, so you’re less likely to miss a day.

It’ll also help keep your dog’s blood concentration of their new medication relatively stable, which can help you avoid unwanted side effects.

Be proactive about logging potential side effects. Your dog will not be able to directly tell you if they’re suffering from side effects, so, as you start the medication, start a log on your phone or a physical note on a go-to surface in your home. This will make it easier for you to jot down any side effects as they happen.

(Don’t assume you’re going to remember anything; decide upfront that you’ll write down anything you notice in the moment!)

Store the medication safely. Once you bring your Previcox home, keep the medication bottle in a clean, dry, cool(ish) place. Don’t put it in direct sunlight or right next to your oven, if that’s workable for your home.

Try to keep it high enough that any other pets or young children in your living space won’t have access to it.

Don’t split the tablets (unless your doctor tells you otherwise). When you open up your new medication, you may notice that Previcox’s tablets are scored. This can make it easier to split them in half and may even make it seem like that’s the intended use.

Unless your doctor tells you to specifically, avoid splitting the tablets. Doing so can alter the amount of active medication you’re getting and result in an unplanned experience.

Consider scheduling check-ins for your dog. After your dog starts taking Previcox, you might want to work with your vet to run periodic bloodwork tests. This may seem like just an extra appointment, at first, but the detailed information you’ll get about your dog’s health will be invaluable for making sure they are as comfortable and happy as possible.

Can Previcox Be Combined With Other Medications?

Previcox can be combined with other medications, but you should only do this if your veterinarian has very specifically recommended doing so for your unique pet.

There are certain circumstances in which Previcox in concert with other drugs can enhance pain relief and support your dog’s health.

However, this isn’t always the case. In other circumstances, combining Previcox with other drugs can result in poor interactions and unintended side effects.

The key, here, is always to listen to your dog’s veterinarian and to be 100% open with them about any other medications your dog may be taking.

That said, generally speaking, here’s a quick guide to the drug combinations that may or may not be safe to consider:

Possibly Safe Previcox Drug Combinations

As long as you’re operating under veterinary guidance, you may be able to consider combining:

  • Previcox and joint supplements. Your veterinarian may direct you to administer Previcox alongside products that contain chondroitin or glucosamine, as these ingredients can all work together to manage joint health.
  • Previcox and antibiotics. If your dog is being treated for an active infection or taking antibiotics after undergoing surgery, your dog should be able to take those medications and Previcox at the same time.

Drug Combinations To Be Wary Of

Unless your doctor explicitly recommends taking Previcox with these drugs, it’s probably a good idea to consider other options.

  • Other NSAIDs. If your dog is taking Previcox, avoid giving them ibuprofen, aspirin, or other prescription NSAIDs. Doubling up on anti-inflammatory action in this way will not help, and it could instead hurt your dog’s stomach lining.
  • Corticosteroids. While taking Previcox, your dog will probably need to stay away from medications like prednisone or dexamethasone.
Person holding her dog browsing internet

Buying Previcox for Dogs? Here’s Where to Save (Big)

If your canine best friend is struggling after an orthopedic surgery, dealing with a serious case of arthritis, or otherwise dealing with pain and inflammation, you may find that Previcox offers the relief that your pet deserves.

Talking with a veterinarian can help you determine what the best medicinal match is for your situation (and the best dosage, administration protocol, and more).

Interested in seeing how much you can save by purchasing your Previcox through an online and international Canada pharmacy website? We’re here to help.

Here, through NorthWestPharmacy.com, you can buy many kinds of prescription medications, brand-name and generic, for both pets and their owners. Start with our Previcox page to learn more, and contact our team with any questions you may have. Your dog’s comfort is worth it—and so is your peace of mind.

The team at NorthWestPharmacy.com looks forward to supporting you and your healthcare journey.

The information provided on the NorthWestPharmacy.com website is intended to facilitate awareness about healthcare products and medical conditions generally but it is not a substitute for professional medical attention or advice. You should always speak with a qualified healthcare practitioner before taking any prescription or non-prescription drug.
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