Metacam must ALWAYS be administered with or immediately after food. NEVER combine with other NSAIDs (Rimadyl, Galliprant) or Steroids (Prednisone) without a 5–7 day washout period.
Calculate safe canine meloxicam dosages in milligrams (mg) and liquid volume (mL). Supports 1.5 mg/mL standard oral suspension, Day 1 loading doses (0.2 mg/kg), Day 2+ maintenance doses (0.1 mg/kg), chewable tablets, and NSAID washout checks.
The 1.5 mg/mL suspension is the standard canine formulation worldwide.
Standard daily maintenance dose given once every 24 hours with or after food.
Dose to "30 lbs" mark on the 1.5mg/mL measuring syringe
Switching to Metacam without an adequate drug-free washout interval can cause severe gastric ulcer perforation or acute renal failure.
Severe gastric ulceration and acute renal injury if combined.
Allow a minimum of 5 to 7 days completely free of any NSAID or steroid medications before starting the first dose of Metacam. During this transition, discuss non-NSAID options (like Gabapentin or Tramadol) with your vet for comfort.
Standardized multi-month protocol to taper to the lowest effective dose while safeguarding liver and kidney function.
Day 1 loading dose (0.2 mg/kg) followed by daily maintenance (0.1 mg/kg Q24H) with food. Suppresses joint inflammation and breaks the acute chronic pain cycle.
Veterinarian evaluates joint mobility, pain scores, and runs a follow-up blood chemistry panel (BUN, Creatinine, SDMA, ALT, ALKP) to confirm perfect organ tolerance.
Taper daily dose down to 0.05 mg/kg Q24H or dose every 48 hours. Combine with joint supplements (Omega-3, Glucosamine, Adequan) and re-check bloodwork every 6 months.
Standardized 1.5 mg/mL oral suspension dosages across all common canine body weights.
| Dog Weight | Day 1 Loading Dose (0.2 mg/kg) | Day 1 Volume (1.5 mg/mL) | Day 2+ Maintenance Dose (0.1 mg/kg) | Day 2+ Volume (1.5 mg/mL) |
|---|---|---|---|---|
| 5 lbs (2.3 kg) | 0.45 mg | 0.30 mL | 0.23 mg | 0.15 mL |
| 10 lbs (4.5 kg) | 0.91 mg | 0.61 mL | 0.45 mg | 0.30 mL |
| 20 lbs (9.1 kg) | 1.81 mg | 1.21 mL | 0.91 mg | 0.61 mL |
| 30 lbs (13.6 kg) | 2.72 mg | 1.81 mL | 1.36 mg | 0.91 mL |
| 45 lbs (20.4 kg) | 4.08 mg | 2.72 mL | 2.04 mg | 1.36 mL |
| 60 lbs (27.2 kg) | 5.44 mg | 3.63 mL | 2.72 mg | 1.81 mL |
| 75 lbs (34.0 kg) | 6.80 mg | 4.54 mL | 3.40 mg | 2.27 mL |
| 90 lbs (40.8 kg) | 8.16 mg | 5.44 mL | 4.08 mg | 2.72 mL |
| 110 lbs (49.9 kg) | 9.98 mg | 6.65 mL | 4.99 mg | 3.33 mL |
Overview of FDA-approved canine meloxicam liquids, tablets, and injectables.
| Formulation | Concentration / Strength | Primary Veterinary Indication | Dispenser Mechanism |
|---|---|---|---|
| Metacam Canine Oral Suspension | 1.5 mg / mL | Osteoarthritis, post-op orthopedic pain, soft tissue injury | Weight-calibrated oral dosing syringe |
| Low-Dose Meloxicam Suspension | 0.5 mg / mL | Toy dog breeds (<10 lbs), chronic micro-titration | 0.5 mL / 1.0 mL tuberculin syringe or dropper |
| Metacam Chewable Tablets | 1.0 mg & 2.5 mg | Palatable chewables for medium-to-large dogs | Scored tablets (can be split into halves/quarters) |
| Metacam 5 mg/mL Injectable | 5.0 mg / mL | In-clinic perioperative surgical pain relief (SubQ / IV) | Administered exclusively by veterinary staff |
If you observe any of the following symptoms, STOP Metacam immediately and contact your veterinarian.
Refusing food, drooling, or vomiting within 1 to 4 hours of dosing. Indicates gastric mucosa irritation.
Dark black, tar-like stools or coffee-ground vomit indicates active upper gastrointestinal ulceration and bleeding.
Sudden polydipsia (excessive drinking) and polyuria indicate renal hypoperfusion and potential acute kidney injury.
Yellowing of the whites of the eyes, gums, or skin (jaundice) indicates acute idiosyncratic hepatic toxicity.
Follow these precise veterinary steps to calculate and administer Metacam safely:
Input current weight in lbs or kg. Never estimate your dog's weight, as NSAID margins of safety require precision.
Choose Day 1 Loading Dose (0.2 mg/kg), Day 2+ Maintenance (0.1 mg/kg), or Chronic Titration (0.05 mg/kg).
Select your prescribed formulation: 1.5 mg/mL standard oral liquid, 0.5 mg/mL, or 1.0 mg / 2.5 mg chewable tablets.
Verify that at least 5 to 7 days have passed since any previous NSAID or steroid administration.
Draw the calculated mL volume or align the plunger with your dog's body-weight mark on the official syringe.
Mix directly with food or administer into the mouth immediately following a meal to protect the stomach.
Administering veterinary NSAIDs carries profound clinical responsibility. This calculator eliminates dangerous dosing errors:
The measuring syringe in Metacam packages is graduated in pounds or kilograms rather than milliliters. Owners frequently misinterpret these markings as mL (e.g., drawing "30" on the syringe thinking it means 0.3 mL). Our tool provides both exact mL volume and syringe line markings.
Continuing the Day 1 loading dose ($0.2\text{ mg/kg}$) beyond the first 24 hours doubles the therapeutic concentration and dramatically increases ulceration risk. Our calculator clearly isolates Day 1 from Day 2+ maintenance.
Switching a dog from Rimadyl, Previcox, or Prednisone directly to Metacam without a 5 to 7-day washout causes severe gastrointestinal perforation. The built-in Washout Checker prevents lethal drug collisions.
Meloxicam is an oxicam-class non-steroidal anti-inflammatory drug with preferential enzyme selectivity:
Cyclooxygenase enzymes catalyze the conversion of arachidonic acid into prostaglandins. COX-1 is constitutive, producing protective prostaglandins that maintain gastric mucosal blood flow, cytoprotective mucus, and renal perfusion. COX-2 is inducible, synthesized at sites of tissue inflammation, trauma, and osteoarthritis.
Meloxicam preferentially blocks the pro-inflammatory COX-2 enzyme at therapeutic doses while partially sparing COX-1. This provides potent analgesia and antipyresis with a lower incidence of gastric ulceration compared to older, non-selective NSAIDs like aspirin or indomethacin. However, because COX-1 is not entirely spared, food administration and proper dosing remain mandatory.
Expert veterinary pharmacology answers backed by FDA and Plumb's clinical guidelines.
Metacam (active ingredient: meloxicam) is a prescription non-steroidal anti-inflammatory drug (NSAID) of the oxicam class approved by the FDA for dogs. It works by preferentially inhibiting the cyclooxygenase-2 (COX-2) enzyme, reducing the synthesis of inflammatory prostaglandins. Veterinarians prescribe Metacam to manage pain, inflammation, and stiffness associated with canine osteoarthritis, soft tissue injuries, orthopedic surgery, dental extractions, and musculoskeletal disorders.
Under established FDA and veterinary clinical guidelines, Metacam is administered orally once every 24 hours in a two-phase protocol: Day 1 (Initial Loading Dose): 0.2 mg per kilogram of body weight (0.091 mg/lb), which equals 0.133 mL/kg of 1.5 mg/mL suspension; Day 2 and Onward (Maintenance Dose): 0.1 mg per kilogram of body weight (0.045 mg/lb), which equals 0.067 mL/kg of 1.5 mg/mL suspension. For long-term chronic arthritis therapy, veterinarians frequently taper dogs to the lowest effective dose (often 0.05 mg/kg once daily or every 48 hours).
Meloxicam has an elimination half-life of approximately 12 to 24 hours in dogs. A Day 1 loading dose of 0.2 mg/kg rapidly saturates therapeutic plasma drug concentrations within the dog's bloodstream, providing swift pain and inflammation relief. On Day 2 and subsequent days, the dose is reduced by 50% to 0.1 mg/kg to safely maintain steady-state therapeutic levels while minimizing the risk of gastric mucosal irritation and renal accumulation.
The measuring syringe provided in official Metacam bottles is calibrated in body weight (lbs or kg) rather than milliliters. For maintenance dosing (Day 2+), pull the syringe plunger until the mark corresponds exactly to your dog's current body weight. Note: On Day 1 (loading dose), because the dose is doubled, you must dose to twice the dog's body weight mark (or follow your veterinarian's specific volume instructions). For small dogs under 10 lbs, using a standard 1.0 mL tuberculin syringe to measure exact volume (0.067 mL/kg) is recommended for extreme dosing precision.
Metacam must ALWAYS be administered with food or immediately following a full meal. While food does not alter the overall therapeutic absorption of meloxicam, having food in the stomach acts as a protective buffer for the gastric mucosa, significantly decreasing the risk of NSAID-induced gastrointestinal side effects such as nausea, vomiting, gastritis, and gastric ulcers.
Common mild side effects include transient softening of stool, mild lethargy, or mild nausea. Serious adverse reactions requiring IMMEDIATE drug discontinuation and emergency veterinary care include: persistent vomiting; complete loss of appetite (anorexia); dark, black, tarry stools (melena, indicating upper gastrointestinal bleeding); coffee-ground vomit; increased water consumption and urination (indicating acute renal strain); yellowing of the eyes, gums, or skin (jaundice / liver toxicity); and abdominal pain or collapse.
A washout period is a mandatory drug-free interval (typically 5 to 7 days, and up to 14 days when transitioning from corticosteroids like Prednisone or aspirin) required before switching a dog from one NSAID or steroid to Metacam. Combining multiple NSAIDs or administering Metacam too close to steroids causes synergistic inhibition of protective gastric prostaglandins and renal blood flow, dramatically increasing the risk of severe gastric ulcer perforation, intestinal hemorrhage, and fatal acute kidney failure.
NO. Human meloxicam tablets are formulated in 7.5 mg and 15 mg strengths—enormous doses that will cause catastrophic overdose, gastric rupture, and kidney failure in dogs. Over-the-counter human NSAIDs (Ibuprofen/Advil, Naproxen/Aleve, Acetaminophen/Tylenol, Aspirin) are exceptionally toxic to dogs due to narrow safety margins and slow canine clearance. Only use veterinary-formulated, weight-calibrated Metacam prescribed specifically by your dog's veterinarian.
Metacam is contraindicated in dogs with pre-existing moderate-to-severe chronic kidney disease (CKD), hepatic insufficiency, active gastrointestinal ulcers, or dehydration/hypovolemia. Prostaglandins play a vital role in maintaining renal blood flow during periods of low blood pressure; inhibiting them with Metacam can precipitate acute renal decompensation. Veterinarians always run baseline blood chemistry panels (BUN, Creatinine, SDMA, ALT, ALKP) prior to starting therapy.
Yes, Metacam is frequently and safely combined with non-NSAID multimodal pain medications under veterinary supervision. It is commonly prescribed alongside Gabapentin (for neuropathic and chronic arthritic pain), Adequan (polysulfated glycosaminoglycan joint injections), Tramadol, Amantadine (NMDA receptor antagonist), and Omega-3 fatty acid supplements. However, it must NEVER be combined with other NSAIDs (Rimadyl, Previcox, Galliprant, Deramaxx) or steroids (Prednisone, Dexamethasone).
For dogs on long-term Metacam for chronic arthritis, best-practice veterinary monitoring includes: 1) Baseline pre-treatment blood and urine panels (CBC, Chemistry with BUN/Creatinine/SDMA, liver enzymes, and urinalysis); 2) Follow-up bloodwork 2 to 4 weeks after starting therapy; 3) Re-check blood panels every 6 months for senior dogs; 4) Daily owner monitoring for appetite changes, stool consistency, or vomiting; and 5) Regular veterinary evaluation to taper to the lowest effective dose.
If your dog consumes an accidental overdose of Metacam, treat it as a medical emergency: 1) Immediately contact an emergency veterinary hospital, the ASPCA Animal Poison Control Center (888-426-4435), or Pet Poison Helpline (855-764-7661); 2) If ingestion occurred within 0 to 2 hours, a veterinarian can induce medical emesis and administer multiple doses of activated charcoal; 3) Hospitalization for aggressive IV fluid diuresis (to protect the kidneys) and gastroprotectant therapy (Omeprazole, Sucralfate, Misoprostol) for 48 to 72 hours is typically required.
