Pain Relief in Dogs

See your vet immediately if your dog has sudden severe pain, trouble breathing, collapse, a swollen abdomen, cries out when touched, cannot stand, or may have eaten human pain medicine. Pain in dogs is a symptom, not a diagnosis. The right treatment depends on the cause, how long the pain has been present, your dog’s age, and whether there are kidney, liver, stomach, bleeding, or heart concerns.

In dogs, pain relief often means a treatment plan rather than one single drug. Your vet may use an anti-inflammatory medication for joint or surgical pain, a nerve-pain medication such as gabapentin, an add-on drug such as amantadine for chronic pain, or a monthly injectable monoclonal antibody such as bedinvetmab for osteoarthritis. Rest, weight management, rehabilitation, joint support, and home changes like rugs or ramps may also help.

The most common first-line prescription pain relievers for dogs are veterinary NSAIDs. In the United States, FDA-approved NSAIDs for dogs include carprofen, deracoxib, firocoxib, grapiprant, and meloxicam. Librela, which contains bedinvetmab, is FDA-approved for control of pain associated with osteoarthritis in dogs. These medications can improve comfort and mobility, but they are not interchangeable and they are not safe for every dog.

Human over-the-counter pain relievers are a major risk. Ibuprofen, naproxen, acetaminophen, and aspirin can cause serious toxicity in dogs unless your vet specifically instructs their use. If your dog seems painful, avoid reaching for a home medicine cabinet. A fast call to your vet is safer and usually leads to better options.

Pain medicines work in different ways, which is why your vet may combine them. NSAIDs reduce pain and inflammation by blocking cyclooxygenase pathways and lowering prostaglandin production. These drugs are commonly used for osteoarthritis, soft tissue injury, and pain after orthopedic or soft tissue surgery. Grapiprant works a little differently from traditional NSAIDs because it blocks the EP4 receptor involved in osteoarthritis pain signaling.

Other medications target the nervous system rather than inflammation alone. Gabapentin is often used when nerve pain, spinal pain, or chronic pain sensitization is suspected. Amantadine is usually an add-on medication, not a solo treatment, and may help when chronic pain has become harder to control. Merck notes that amantadine appears most useful in chronic neuropathic pain and hyperalgesia.

For some dogs with osteoarthritis, your vet may discuss bedinvetmab, sold as Librela. This is a monoclonal antibody given by injection about every 28 days. It targets nerve growth factor, a key part of osteoarthritis pain signaling, rather than working like a traditional anti-inflammatory. That makes it a useful option for some dogs that need an alternative route or a different mechanism.

Because pain can involve inflammation, nerve signaling, muscle guarding, and reduced mobility all at once, multimodal care is common. A dog with arthritis may do best with medication plus weight control, controlled exercise, physical rehabilitation, traction support at home, and regular rechecks. The goal is not only less pain, but better daily function.

Side effects depend on the medication used. With NSAIDs, the most common concerns are vomiting, diarrhea, reduced appetite, and lethargy. More serious problems can include stomach ulceration, black or bloody stool, kidney injury, liver injury, and changes in clotting. FDA and Cornell both advise stopping the medication and contacting your vet right away if you notice vomiting, diarrhea, poor appetite, dark stool, yellowing of the eyes or gums, increased thirst, or increased urination.

Gabapentin commonly causes sleepiness, wobbliness, or mild weakness, especially when first started or when the dose changes. Dogs on multiple sedating medications may seem more tired than usual. Amantadine can cause stomach upset or agitation in some dogs. With any pain medication, behavior changes matter. Restlessness, confusion, or sudden worsening should be reported.

Librela has helped many dogs with osteoarthritis, but monitoring still matters. The FDA has issued safety communications and encouraged reporting of adverse events in dogs treated with bedinvetmab. That does not mean every dog will have a problem, but it does mean pet parents and vets should watch closely after injections and discuss any new neurologic, urinary, gastrointestinal, or mobility changes.

Never double a dose if one is missed unless your vet tells you to. Never combine prescription pain medicines, steroids, aspirin, or human anti-inflammatory drugs on your own. Many serious reactions happen when well-meaning pet parents stack medications that should not be used together.

Dosing varies widely by drug, body weight, age, and medical history, so your vet should set the plan. Some medications are given once daily, some twice daily, and some by monthly injection. NSAIDs are often labeled for once-daily use, though exact schedules differ by product. Librela is given as an injection by a veterinary professional about every 28 days. Gabapentin and amantadine schedules can vary based on the pain type and how your dog responds.

Give medications exactly as prescribed. Some drugs may be given with food to reduce stomach upset, while others have label-specific instructions that matter for absorption. Grapiprant, for example, has label considerations around feeding. If your dog vomits after a dose, refuses food, or seems much more sedated than expected, contact your vet before giving the next dose.

Long-term pain control usually needs follow-up, not a one-time prescription. FDA guidance for chronic NSAID use recommends regular rechecks and periodic blood and urine testing to make sure the medication remains a safe fit. This is especially important in senior dogs and in dogs with kidney, liver, stomach, or endocrine disease.

Pain scores at home are useful. Keep notes on limping, stiffness after rest, ability to climb stairs, appetite, sleep, and interest in walks. That information helps your vet adjust the plan toward conservative, standard, or advanced care without guessing.

The biggest interaction rule is this: do not combine pain medications unless your vet tells you to. NSAIDs should generally not be used with other NSAIDs, aspirin, or corticosteroids such as prednisone or dexamethasone because the risk of stomach ulceration, bleeding, and organ injury goes up. This is one of the most important safety points for pet parents.

Other interactions are more individualized. Sedating drugs can have stronger effects when used with gabapentin. Dogs taking kidney-affecting medications, certain diuretics, or other highly protein-bound drugs may need closer review before starting an NSAID or grapiprant. FDA labeling for Galliprant notes that concomitant use with other protein-bound drugs has not been studied in dogs, so medication review matters.

Supplements and nonprescription products also count. CBD products, aspirin, herbal blends, and leftover medications from another pet can change safety or make side effects harder to interpret. Bring a full list to your appointment, including flea and tick products, supplements, and anything given after surgery.

If your dog has kidney disease, liver disease, a history of stomach ulcers, dehydration, clotting problems, or is very young, very old, pregnant, or nursing, your vet may choose a different pain-control route. That is not a setback. It is part of matching the plan to the patient.