Health & Wellbeing

Dosing Meloxicam for Dogs: Safe Dosage, Side Effects & Vet Guide

Complete guide to dosing meloxicam for dogs — covers mg/kg dosage by weight, side effects, drug interactions, contraindications, and vet monitoring requirements.

By Dr. Hannah Wickes · Published 11 September 2026
Dosing Meloxicam for Dogs: Safe Dosage, Side Effects & Vet Guide
⚠️ PRESCRIPTION-ONLY NOTICE: Meloxicam (brand name Metacam®) is a prescription-only nonsteroidal anti-inflammatory drug (NSAID). This medication requires a veterinarian prescription and should only be used under veterinary supervision. Never administer meloxicam without a current prescription, and never adjust your dog's dose without consulting your veterinarian. If you suspect an overdose, contact the ASPCA Animal Poison Control Center at (888) 426-4435 (24/7, consultation fee applies) or your emergency veterinary clinic immediately.

If your dog was recently prescribed meloxicam after surgery, an injury, or for chronic osteoarthritis pain, you likely have questions about proper dosing, what side effects to watch for, and how long your dog will need the medication. Meloxicam — sold under the brand name Metacam® by Boehringer Ingelheim and available as multiple generics — is one of the most commonly prescribed veterinary NSAIDs in the United States. According to the FDA's Center for Veterinary Medicine, meloxicam is approved for controlling pain and inflammation associated with osteoarthritis in dogs, as well as post-operative pain management.

This guide walks through everything you need to know about dosing meloxicam for dogs — from the initial loading dose protocol to long-term monitoring blood work — so you can partner effectively with your veterinarian on your dog's pain management plan.

What Is Meloxicam and How Does It Work in Dogs?

Drug Class & Mechanism of Action

Drug class: Nonsteroidal anti-inflammatory drug (NSAID) — specifically, an oxicam-type NSAID and preferential COX-2 inhibitor.

How it works: Meloxicam inhibits cyclooxygenase (COX) enzymes — primarily COX-2 — which are responsible for converting arachidonic acid into prostaglandins. Prostaglandins are lipid compounds that drive inflammation, pain signaling, and fever. By preferentially blocking COX-2 over COX-1, meloxicam reduces inflammatory prostaglandins at the site of injury or joint damage while attempting to preserve COX-1-derived prostaglandins that protect the gastric mucosa, support kidney blood flow, and maintain platelet function.

Key distinction: Unlike non-selective NSAIDs (such as aspirin or ibuprofen, which are NOT safe for dogs at therapeutic doses), meloxicam's COX-2 preference is designed to lower — though not eliminate — the risk of gastrointestinal ulceration and renal complications. This selectivity is dose-dependent; at higher doses, COX-1 inhibition increases, which is why exceeding prescribed doses is dangerous.

The Merck Veterinary Manual classifies meloxicam among the preferential COX-2 inhibitors approved for canine use. Its half-life in dogs is approximately 24 hours, which is why it's typically dosed once daily — a significant convenience advantage over older NSAIDs that required twice-daily administration.

FDA-Approved Uses and Common Off-Label Applications

Meloxicam carries FDA approval for two specific canine indications:

  • Osteoarthritis management: Control of pain and inflammation associated with chronic osteoarthritis (OA) in dogs. This is the most common long-term use.
  • Post-operative pain and inflammation: Management of pain and inflammation following soft tissue and orthopedic surgeries. Typically used for a short course of 3–7 days post-surgery.

Your veterinarian may also prescribe meloxicam off-label for:

  • Acute musculoskeletal injuries — sprains, strains, or soft tissue trauma
  • Intervertebral disc disease (IVDD) — as part of conservative medical management alongside strict rest
  • Dental pain — following extractions or periodontal surgery
  • Cancer-related pain — as part of a multimodal pain protocol, sometimes combined with the observation that COX-2 inhibitors may have adjunctive anti-neoplastic properties in certain tumor types (e.g., transitional cell carcinoma)
  • Fever reduction — though this is less common given safer alternatives

Any off-label use should only occur under direct veterinary instruction with appropriate monitoring.

Dosing Meloxicam for Dogs: Dosage by Condition and Weight

Understanding the dosing protocol for meloxicam is critical because the margin between a therapeutic dose and a toxic dose is narrower than many owners realize. Your veterinarian will calculate the exact dose based on your dog's weight, condition being treated, and individual risk factors.

Standard Dosing Protocol

The FDA-approved dosing protocol for canine osteoarthritis follows a two-phase approach:

  • Day 1 (Loading Dose): 0.09 mg/lb (0.2 mg/kg) body weight — administered once
  • Day 2 onward (Maintenance Dose): 0.045 mg/lb (0.1 mg/kg) body weight — administered once daily

For post-operative pain, the loading dose is typically administered before or at the time of surgery (often as a subcutaneous injection by the veterinary team), followed by the maintenance dose orally starting the next day.

Meloxicam Dosage Chart for Dogs by Weight (Osteoarthritis Protocol)
Dog Weight (lb / kg) Day 1 Loading Dose (0.2 mg/kg) Daily Maintenance Dose (0.1 mg/kg) Metacam® 1.5 mg/mL Suspension Volume (Maintenance)
10 lb / 4.5 kg 0.9 mg 0.45 mg 0.3 mL
25 lb / 11.3 kg 2.26 mg 1.13 mg 0.75 mL
50 lb / 22.7 kg 4.54 mg 2.27 mg 1.5 mL
75 lb / 34 kg 6.8 mg 3.4 mg 2.27 mL
100 lb / 45.4 kg 9.08 mg 4.54 mg 3.0 mL

Important: The Metacam® oral suspension comes in two concentrations — 1.5 mg/mL for dogs and 0.5 mg/mL for cats. Never use the feline concentration for dogs or vice versa. The product includes a graduated dosing syringe marked in weight increments; always use this syringe rather than a kitchen measuring spoon for accuracy.

Some veterinarians may prescribe meloxicam tablets (available as 1 mg, 2.5 mg, 5 mg, and 7.5 mg scored tablets from generic manufacturers) for larger dogs where the liquid suspension is less practical. Tablet dosing follows the same mg/kg protocol but may require splitting tablets to achieve the exact dose.

How to Administer Meloxicam to Your Dog

Proper administration technique directly affects both the drug's safety profile and your dog's comfort:

  • Always give with food. Meloxicam should be administered with or immediately after a meal. NSAIDs reduce protective prostaglandins in the stomach lining, and giving the medication on an empty stomach significantly increases the risk of gastric ulceration. Even a small meal or several treats counts.
  • Shake the oral suspension well before each dose. The active ingredient can settle, leading to inconsistent dosing if not mixed.
  • Administer at the same time each day to maintain steady drug levels. The 24-hour half-life makes once-daily dosing effective, but timing consistency matters.
  • Do not double up. If you miss a dose and it's within 12 hours of the scheduled time, give it with food. If it's closer to the next scheduled dose, skip the missed dose entirely and resume the normal schedule. Never give two doses at once.
  • Duration varies by condition. Post-operative courses typically last 3–7 days. Osteoarthritis management may be ongoing for months or years, but requires regular veterinary monitoring (see monitoring section below).

Side Effects of Meloxicam in Dogs: What to Watch For

Like all NSAIDs, meloxicam carries a risk of adverse effects. Most dogs tolerate the medication well at prescribed doses, but vigilance is essential — especially during the first two weeks of treatment and after any dose change.

Meloxicam Side Effects in Dogs — Frequency and Severity
Side Effect Estimated Frequency Severity Action Required
Decreased appetite ~5–10% Mild Monitor; ensure food is given with dose
Vomiting ~3–8% Mild to Moderate If persistent (>2 episodes), contact vet
Diarrhea / soft stools ~3–7% Mild Monitor; add probiotic; contact vet if bloody
Lethargy / behavioral change ~2–5% Moderate Contact vet if lasting >24 hours
Vomiting blood or coffee-ground material <1% Severe — Emergency STOP medication; emergency vet immediately
Black, tarry stools (melena) <1% Severe — Emergency STOP medication; emergency vet immediately
Increased thirst and urination <2% Moderate to Severe STOP medication; contact vet same day
Yellowing of gums/eyes (icterus) Rare Severe — Emergency STOP medication; emergency vet immediately
Seizures or incoordination Rare Severe — Emergency STOP medication; emergency vet immediately

🚨 Stop Meloxicam and Contact Your Veterinarian Immediately If You Observe:

  • Vomiting blood or material resembling coffee grounds
  • Black, tarry, or bloody stools
  • Sudden increase in water consumption and urination (possible kidney injury)
  • Yellow discoloration of gums, whites of eyes, or skin (liver injury)
  • Seizures, severe lethargy, collapse, or inability to stand
  • Pale gums (possible internal bleeding)
  • Facial swelling, hives, or difficulty breathing (allergic reaction)

These symptoms may indicate gastrointestinal perforation, acute kidney injury, hepatotoxicity, or anaphylaxis — all of which require emergency intervention. Keep the ASPCA Animal Poison Control number (888) 426-4435 saved in your phone for overdose situations.

Contraindications: Dogs Who Should NOT Receive Meloxicam

Meloxicam is contraindicated or requires extreme caution with enhanced monitoring in the following situations:

  • Known hypersensitivity to meloxicam or other NSAIDs — dogs with a prior allergic reaction to meloxicam, carprofen, deracoxib, or any NSAID should not receive this drug
  • Pre-existing kidney disease — NSAIDs reduce renal blood flow by inhibiting prostaglandins that dilate the afferent arterioles; in dogs with chronic kidney disease (CKD), this can precipitate acute-on-chronic renal failure
  • Pre-existing liver disease — meloxicam is metabolized hepatically; impaired liver function increases the risk of toxicity and prolongs drug clearance
  • Active gastrointestinal ulceration or bleeding — NSAIDs worsen existing ulcers and can cause perforation
  • Dehydrated or hypovolemic dogs — reduced circulating blood volume makes the kidneys more dependent on prostaglandin-mediated vasodilation; administering an NSAID in this state is dangerous
  • Concurrent use of corticosteroids (e.g., prednisone, dexamethasone) — combining steroids with NSAIDs dramatically increases the risk of GI ulceration and perforation; this combination is contraindicated
  • Concurrent use of other NSAIDs — never give meloxicam alongside aspirin, carprofen (Rimadyl), deracoxib (Deramaxx), firocoxib (Previcox), or any other NSAID; a washout period of 5–7 days is typically required when switching between NSAIDs
  • Pregnant or lactating dogs — safety has not been established; NSAIDs can affect fetal development and parturition
  • Puppies under 6 months of age — safety in very young dogs has not been fully established; your veterinarian will weigh risks and benefits
  • Dogs with bleeding disorders — NSAIDs inhibit platelet aggregation to varying degrees

Before starting meloxicam, your veterinarian should perform a thorough physical examination and baseline blood work (see monitoring section) to identify any hidden contraindications.

Drug Interactions: What Other Medications Conflict with Meloxicam?

Meloxicam Drug Interactions in Dogs
Drug / Drug Class Interaction Type Risk Level Clinical Significance
Corticosteroids (prednisone, dexamethasone, prednisolone) Synergistic GI toxicity High — Contraindicated Dramatically increased risk of GI ulceration, hemorrhage, and perforation. Never combine.
Other NSAIDs (aspirin, carprofen, deracoxib, firocoxib, piroxicam) Additive toxicity High — Contraindicated Increased risk of GI ulceration, renal injury. Requires 5–7 day washout period when switching.
ACE inhibitors (enalapril, benazepril) Reduced renal perfusion Moderate to High Both drug classes affect renal hemodynamics. Combination increases risk of acute kidney injury. Close monitoring required.
Diuretics (furosemide, spironolactone) Reduced diuretic efficacy + renal risk Moderate NSAIDs can blunt the effect of diuretics and compound dehydration-related renal risk. Monitor kidney values.
Aminoglycoside antibiotics (gentamicin, amikacin) Additive nephrotoxicity Moderate to High Both classes carry nephrotoxic risk. Avoid concurrent use when possible.
Methotrexate Decreased methotrexate clearance Moderate NSAIDs can reduce renal clearance of methotrexate, increasing toxicity risk. Rarely used in dogs but relevant in oncology protocols.
SSRIs / tricyclic antidepressants (fluoxetine, clomipramine, amitriptyline) Increased bleeding risk Low to Moderate Both affect platelet function. Monitor for unusual bruising or prolonged bleeding.

Always provide your veterinarian with a complete list of every medication, supplement, and over-the-counter product your dog is currently receiving — including flea/tick preventives, joint supplements, and herbal remedies — before meloxicam is prescribed.

Monitoring Requirements: Blood Work and Follow-Up Schedule

Long-term NSAID therapy requires structured veterinary monitoring to catch subclinical organ damage before it becomes symptomatic. The American Veterinary Medical Association (AVMA) and veterinary internal medicine specialists recommend the following monitoring protocol:

Recommended Monitoring Protocol for Dogs on Meloxicam

Timepoint Tests Recommended Estimated Cost Purpose
Before starting (baseline) Complete blood count (CBC), serum chemistry panel (kidney + liver values), urinalysis $150–$250 Establish baseline organ function; identify hidden contraindications
2 weeks after starting Serum chemistry (BUN, creatinine, ALT, ALP, albumin), clinical exam $80–$150 Early detection of adverse renal or hepatic changes
Every 6 months (long-term use) CBC, serum chemistry, urinalysis, blood pressure check $150–$250 Ongoing organ surveillance for chronic NSAID patients
Annually Full wellness panel + urinalysis + veterinary exam to reassess need for continued therapy $200–$350 Comprehensive annual review; dose adjustment or medication change if needed

Senior dogs (over 7–8 years) or dogs with pre-existing mild renal or hepatic compromise may need more frequent monitoring — every 3–4 months — at your veterinarian's discretion.

Cost of Meloxicam for Dogs and Generic Availability

Meloxicam is available as both the brand-name Metacam® oral suspension and as multiple generic formulations, which significantly reduces cost for long-term use:

  • Metacam® brand oral suspension (1.5 mg/mL, 32 mL bottle): $35–$65 per bottle at most veterinary clinics. A 32 mL bottle at the maintenance dose lasts approximately 42 days for a 50 lb dog.
  • Generic meloxicam oral suspension (1.5 mg/mL): $15–$35 per 32 mL bottle. Available through online veterinary pharmacies (e.g., Chewy Pharmacy, 1-800-PetMeds) with a valid prescription.
  • Generic meloxicam tablets (various strengths): $10–$30 for a 30-count supply depending on tablet strength. Tablets may be more economical for large dogs.
  • Injectable meloxicam (administered in-clinic): $15–$40 per injection, typically used only for the initial loading dose or peri-operative administration.

When you factor in baseline and monitoring blood work, the total first-year cost of meloxicam therapy for a medium-sized dog with osteoarthritis typically ranges from $400–$800 (medication + lab work + recheck exams). Subsequent years generally cost $300–$600 with semi-annual monitoring.

Many pet insurance plans cover prescription medications like meloxicam when prescribed for a covered condition, which can offset long-term costs significantly.

What to Do If You Miss a Dose or Suspect an Overdose

Missed Dose

If you forget to give your dog's meloxicam dose:

  • Within 12 hours of the scheduled time: Give the dose with food as soon as you remember, then resume the normal schedule.
  • More than 12 hours late: Skip the missed dose entirely. Give the next dose at the regular scheduled time. Do not double the dose to "catch up."
  • Multiple missed doses: Contact your veterinarian. They may recommend restarting the loading dose protocol or reassessing whether NSAID therapy is still appropriate.

Suspected Overdose

Meloxicam overdose is a veterinary emergency. Signs of overdose include severe vomiting (potentially with blood), profuse diarrhea, black tarry stools, extreme lethargy, collapse, seizures, and increased or decreased urination.

🚨 OVERDOSE — ACT IMMEDIATELY

  1. Stop administering meloxicam immediately.
  2. Call your veterinarian or emergency veterinary clinic. If after hours, go to the nearest 24-hour emergency hospital.
  3. Call ASPCA Animal Poison Control: (888) 426-4435 (available 24/7; a consultation fee of approximately $95 applies). They will provide specific guidance and communicate with your treating veterinarian.
  4. Bring the medication bottle with you to the vet — the concentration and volume remaining help the veterinary team calculate the ingested dose.
  5. Do NOT induce vomiting unless specifically instructed to do so by a veterinarian or poison control specialist.

Treatment for overdose may include induced emesis (if within 2 hours of ingestion), activated charcoal, aggressive IV fluid therapy to protect the kidneys, gastroprotectants (such as misoprostol, omeprazole, or sucralfate), and hospitalization with serial blood work monitoring for 48–72 hours.

How Long Does My Dog Need to Be on Meloxicam?

The duration of meloxicam therapy depends entirely on the condition being treated:

  • Post-surgical pain: Typically 3–7 days, sometimes up to 10–14 days for major orthopedic procedures (e.g., TPLO, total hip replacement). Your veterinarian will specify the course length at the time of surgery.
  • Acute injuries (sprains, strains): Usually 5–14 days, reassessed at a follow-up exam.
  • Osteoarthritis: Often long-term or lifelong. However, your veterinarian should reassess the need for continued NSAID therapy at each 6-month monitoring visit. Some dogs can be tapered to the lowest effective dose or transitioned to multimodal pain management that reduces NSAID dependence.
  • Cancer pain management: Duration varies based on the cancer type, prognosis, and overall treatment plan.

Your veterinarian may periodically attempt a "drug holiday" — temporarily reducing or stopping the medication under supervision — to assess whether your dog still requires NSAID therapy or whether pain can be managed with adjunctive therapies alone.

Alternatives to Meloxicam for Dogs

If meloxicam isn't suitable for your dog — due to contraindications, side effects, or inadequate pain control — your veterinarian may consider these alternatives:

Other Veterinary NSAIDs

  • Carprofen (Rimadyl®, Novox®): One of the most widely used veterinary NSAIDs; similar efficacy to meloxicam with a comparable side effect profile. Available as chewable tablets, which some dogs accept more readily.
  • Deracoxib (Deramaxx®): A COX-2 selective inhibitor; may be preferred in dogs that experienced GI side effects on meloxicam, though GI risk still exists.
  • Firocoxib (Previcox®): Highly COX-2 selective; available as a chewable tablet. Often used for osteoarthritis and post-surgical pain.
  • Grapiprant (Galliprant®): An EP4 receptor antagonist (not technically an NSAID) that blocks a specific prostaglandin receptor involved in pain signaling. May have a lower risk of GI and renal side effects. Approved for osteoarthritis pain in dogs.

Non-NSAID Pain Management Options

  • Gabapentin: An anticonvulsant with neuropathic pain-modulating properties; commonly used as an adjunct for chronic pain, especially IVDD and cancer-related pain.
  • Amantadine: An NMDA receptor antagonist used as an adjunct for chronic pain that has developed central sensitization ("wind-up" pain).
  • Tramadol: A weak opioid agonist; evidence for its efficacy as a sole analgesic in dogs is mixed, but it may have value as part of a multimodal protocol.
  • Adequan® (polysulfated glycosaminoglycan): An injectable disease-modifying osteoarthritis drug (DMOAD) that may slow cartilage degradation and reduce inflammation; often used alongside or instead of NSAIDs for OA.
  • Librela® (bedinvetmab): A monoclonal antibody targeting nerve growth factor (NGF), administered as a monthly subcutaneous injection. Approved for canine osteoarthritis pain and represents a non-NSAID, non-opioid approach with a different side effect profile.

Adjunctive and Non-Pharmaceutical Therapies

  • Weight management (reducing body condition score to ideal range of 4–5/9 significantly decreases joint loading)
  • Physical rehabilitation / canine physical therapy
  • Therapeutic laser (photobiomodulation)
  • Omega-3 fatty acid supplementation (EPA/DHA at anti-inflammatory doses of 50–100 mg/kg combined EPA+DHA daily)
  • Acupuncture
  • Assisi Bot® or other pulsed electromagnetic field (PEMF) devices

A multimodal approach — combining lower-dose NSAID with adjunctive medications and non-pharmaceutical therapies — often provides superior pain control while minimizing the side effect burden of any single drug.

Frequently Asked Questions About Meloxicam for Dogs

Can I give my dog human meloxicam (Mobic®)?

No. Human meloxicam tablets (brand name Mobic®) come in 7.5 mg and 15 mg strengths — far too concentrated for most dogs. A 15 mg tablet would represent a severe overdose for a 25 lb dog. Additionally, human formulations may contain excipients not tested for canine safety. Always use veterinary-specific meloxicam products prescribed by your veterinarian.

How quickly does meloxicam start working in dogs?

Most dogs show noticeable pain relief within 3–4 hours of the first (loading) dose. Peak blood concentration is reached in approximately 7–8 hours in dogs. For chronic osteoarthritis, the full anti-inflammatory effect may take 3–5 days of consistent daily dosing to become apparent. If you don't observe improvement within 7 days, contact your veterinarian — the dose may need adjustment or the diagnosis may need re-evaluation.

Can meloxicam be given with gabapentin?

Yes. Meloxicam and gabapentin work through completely different mechanisms and are commonly prescribed together as part of a multimodal pain management plan. There is no known significant drug interaction between the two. However, both can cause mild sedation, so monitor your dog for excessive drowsiness, especially during the first few days of combined use.

Is meloxicam safe for long-term use in dogs?

Meloxicam can be used long-term in dogs with appropriate veterinary monitoring. Many dogs with osteoarthritis remain on meloxicam for years with good quality of life and no significant adverse effects. The key is consistent semi-annual blood work to monitor kidney and liver function, maintaining the lowest effective dose, and ensuring the dog stays well-hydrated. Dogs that develop kidney or liver abnormalities on monitoring blood work may need to be transitioned to an alternative pain management protocol.

What happens if I accidentally give my dog a double dose of meloxicam?

Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 immediately. A single double dose may cause GI upset (vomiting, diarrhea) in many dogs, but the risk of serious complications (ulceration, kidney injury) increases with the degree of overdose. Your vet may recommend monitoring at home with gastroprotectants or may advise bringing your dog in for IV fluids and blood work, depending on the amount ingested relative to your dog's weight.

Can I use meloxicam with joint supplements like glucosamine?

Yes. Glucosamine, chondroitin, MSM, and green-lipped mussel supplements do not interact with meloxicam and are commonly used together for osteoarthritis management. In fact, combining joint supplements with NSAID therapy may allow for dose reduction over time. Always inform your veterinarian of all supplements your dog receives.

Meloxicam remains one of the most effective and well-studied NSAIDs for canine pain management when used responsibly under veterinary supervision. The keys to safe, effective therapy are precise weight-based dosing, consistent administration with food, vigilant observation for side effects, and adherence to the recommended monitoring schedule. Always consult your veterinarian before making any changes to your dog's medication regimen.

Written by

Dr. Hannah Wickes

All our authors care for dogs every day — read more of their work on the authors page.