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Gastrointestinal protectant · For Dogs

Sucralfate dosage reference for dogs (Carafate)

This page's standard weight-based reference is 50 mg per kg (22.68 mg per lb), with Every 8-12 hours on an empty stomach recorded as the reference frequency. Use the calculator to see the arithmetic for your dog's weight, then confirm the indication, product, and actual dose with a veterinarian.

Onset
30 minutes to form protective barrier
Duration
6-8 hours
Class
Gastrointestinal protectant

Weight-based calculator estimate from the references listed on this page. This page has not been independently DVM-reviewed — see our methodology .

This information is for educational purposes only. Always consult your veterinarian before giving medication to your pet. Do not use this calculator for emergencies, overdoses, pregnancy, very young animals, very old animals, pets with liver/kidney disease, or pets taking multiple medications.

Each medication page lists the references recorded for its data. The calculator math and editorial presentation are maintained by PetDosageChart; a page is independently DVM-reviewed only when a named reviewer byline appears. See our methodology and limitations.

Sucralfate (often known by brand names such as Carafate and Sulcrate) is a gastrointestinal protectant commonly used in veterinary medicine for Gastric ulcers, Duodenal ulcers, Esophagitis, NSAID-induced GI erosion, and Stress-related mucosal damage. Understanding the correct dosage, administration, and potential side effects of Sucralfate is critical for your dog’s safety and well-being.

A typical Sucralfate dose for dogs is around 50 mg/kg Every 8-12 hours on an empty stomach, within a usual range of 40-60 mg/kg. Available forms include Tablet and Oral suspension.

Calculator Warning: Use this only as an educational estimate. Your veterinarian may prescribe a different dose based on your pet’s condition, age, weight, other medications, and medical history.

Sucralfate Dosage Calculator for Dogs

Enter your dog’s weight below to estimate the Sucralfate dose from the 50 mg/kg guideline. Your veterinarian may adjust it for your dog’s age, condition, and other medications, so treat the result as an educational starting point, not a prescription.

Dosage Calculator · 01

Enter your dog's weight

Quick Dosage Chart

Typical Sucralfate amounts for common dog weights, for quick reference:

Dosage Chart · 02

Carafate weight-based reference chart for dogs

Scroll sideways to see full table

Weight Lower Reference Standard Reference Upper Reference Frequency
5 lbs (2.3 kg) 92.0 mg 115.0 mg 138.0 mg Every 8-12 hours on an empty stomach
10 lbs (4.5 kg) 180.0 mg 225.0 mg 270.0 mg Every 8-12 hours on an empty stomach
15 lbs (6.8 kg) 272.0 mg 340.0 mg 408.0 mg Every 8-12 hours on an empty stomach
20 lbs (9.1 kg) 364.0 mg 455.0 mg 546.0 mg Every 8-12 hours on an empty stomach
25 lbs (11.3 kg) 452.0 mg 565.0 mg 678.0 mg Every 8-12 hours on an empty stomach
30 lbs (13.6 kg) 544.0 mg 680.0 mg 816.0 mg (1000mg tablet) Every 8-12 hours on an empty stomach
40 lbs (18.1 kg) 724.0 mg 905.0 mg (1000mg tablet) 1086.0 mg (1000mg tablet) Every 8-12 hours on an empty stomach
50 lbs (22.7 kg) 908.0 mg (1000mg tablet) 1135.0 mg (1000mg tablet) 1362.0 mg Every 8-12 hours on an empty stomach
60 lbs (27.2 kg) 1088.0 mg (1000mg tablet) 1360.0 mg 1632.0 mg Every 8-12 hours on an empty stomach
70 lbs (31.7 kg) 1268.0 mg 1585.0 mg 1902.0 mg (2 × 1000mg) Every 8-12 hours on an empty stomach
80 lbs (36.3 kg) 1452.0 mg 1815.0 mg (2 × 1000mg) 2178.0 mg (2 × 1000mg) Every 8-12 hours on an empty stomach
90 lbs (40.8 kg) 1632.0 mg 2040.0 mg (2 × 1000mg) 2448.0 mg Every 8-12 hours on an empty stomach
100 lbs (45.4 kg) 1816.0 mg (2 × 1000mg) 2270.0 mg 2724.0 mg Every 8-12 hours on an empty stomach
120 lbs (54.4 kg) 2176.0 mg (2 × 1000mg) 2720.0 mg 3264.0 mg Every 8-12 hours on an empty stomach
150 lbs (68 kg) 2720.0 mg 3400.0 mg 4080.0 mg (4 × 1000mg) Every 8-12 hours on an empty stomach

Parenthetical tablet amounts are arithmetic comparisons only. They do not account for scoring, release type, concentration, product labeling, or whether this medication is appropriate for an individual animal.

By Weight

Carafate reference by dog weight

Choose a common weight to open its optional reference page. Use the main medication calculator for a different exact weight.

Common-weight pages are convenience views of the same educational reference, not separate medical recommendations.

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How to Give Sucralfate to Your Dog

Give sucralfate on an empty stomach, at least 1 hour before feeding and 2 hours apart from other medications. Tablets can be given whole or dissolved in a small amount of warm water to create a slurry for easier administration via syringe. For small dogs, your vet will advise on the appropriate fraction of a tablet. Do not give at the same time as other oral medications.

It may interact with Reduces absorption of many oral medications — give other drugs 2 hours before or after sucralfate, Decreases absorption of fluoroquinolone antibiotics, Reduces absorption of tetracycline antibiotics, and May reduce effectiveness of phenytoin and digoxin.

Side Effects and Safety

Common side effects include Constipation, Dry mouth, Mild nausea, and Decreased appetite. More serious side effects can occur, such as Aluminum toxicity with prolonged use in renal patients, Severe constipation or bowel obstruction, Bezoar formation (rare), and Hypophosphatemia with chronic use.

Cautions · 12

When Carafate should be used with caution or avoided

Some dogs should not take Carafate, or need a different dose and closer monitoring. Tell your veterinarian about your pet's full health history and every other medication or supplement they take before giving Carafate.

  • Known hypersensitivity to sucralfate
  • Severe renal impairment (risk of aluminum accumulation)
  • GI obstruction

Interactions · 13

Carafate drug interactions

Carafate can interact with other drugs. This list is not complete — always give your veterinarian a full list of your dog's medications and supplements.

Reduces absorption of many oral medications — give other drugs 2 hours before or after sucralfate
Decreases absorption of fluoroquinolone antibiotics
Reduces absorption of tetracycline antibiotics
May reduce effectiveness of phenytoin and digoxin

Calculator Limits · 14

When not to use this calculator

This calculator gives a general educational estimate for a healthy adult dog at a known weight. Do not rely on it in these situations — talk to your veterinarian instead:

  • In an emergency, or after accidental ingestion or a suspected overdose
  • For pregnant or nursing pets
  • For very young or very old dogs
  • For pets with liver disease, kidney disease, or another chronic illness
  • For pets taking several medications at once
  • When you are not sure of your dog's current, accurate weight
  • For combination products that contain additional active ingredients

Overdose · 15

Suspected overdose: what to do

If you think your dog had too much Carafate, or swallowed any medication by accident, act right away. Do not wait for symptoms to appear.

  • Call your veterinarian or the nearest emergency animal hospital.
  • ASPCA Animal Poison Control Center: (888) 426-4435
  • Pet Poison Helpline: (855) 764-7661

A consultation fee may apply to the poison hotlines. Have the medication packaging ready, and note how much your pet may have taken and when. Do not try to make your pet vomit unless a veterinarian tells you to.

When to Call the Vet

If your dog experiences any of the following, contact your veterinarian or an emergency clinic immediately:

Frequently Asked Questions

Frequently Asked · 07

Questions about this medication

Why must sucralfate be given on an empty stomach?
Sucralfate works by forming a paste-like protective coating over ulcerated tissue in the stomach and intestines. It needs direct contact with the damaged mucosa to adhere properly. Food in the stomach prevents this adhesion, greatly reducing the drug's effectiveness.
Can sucralfate be given with other medications?
Sucralfate should be given at least 2 hours before or after other medications. It can bind to and reduce the absorption of many drugs, including antibiotics, heart medications, and antacids. Always space it out from other oral medications.
How do I give sucralfate tablets to a small dog?
Sucralfate tablets can be dissolved in a small amount of warm water to form a slurry, which can then be syringed into the dog's mouth. This is especially helpful for small dogs that cannot take a full 1000 mg tablet. Ask your vet for the correct portion of the dissolved tablet.
How long does it take for sucralfate to heal an ulcer in dogs?
Sucralfate typically helps relieve symptoms within a few days as the protective barrier forms. Complete ulcer healing usually takes 2-8 weeks depending on the severity and underlying cause. It is often used alongside acid-reducing medications like omeprazole for best results.
Is sucralfate safe for dogs with kidney disease?
Sucralfate contains aluminum, which can accumulate in dogs with impaired kidney function and potentially cause toxicity. Dogs with kidney disease should use sucralfate with caution and only under veterinary supervision with regular monitoring.

Use This Guide Safely · 08

What weight alone cannot tell you

The calculator performs one narrow job: it multiplies your dog's weight by the lower, standard, and upper mg/kg values recorded for Carafate. It cannot decide whether this drug, indication, formulation, or schedule is appropriate for an individual animal.

Context in this medication record

Commonly listed uses
Gastric ulcers, Duodenal ulcers, Esophagitis, NSAID-induced GI erosion, Stress-related mucosal damage
Recorded forms
Tablet, Oral suspension
Reference timing
Every 8-12 hours on an empty stomach; onset 30 minutes to form protective barrier; duration 6-8 hours

Individual checks a calculator cannot perform

  • Confirm the diagnosis and the reason this medication is being considered.
  • Match the exact product, concentration, route, and whether a tablet may be split.
  • Account for age, pregnancy, organ function, genetics, allergies, and prior reactions.
  • Review every prescription, over-the-counter product, and supplement your pet takes.

Recorded cautions

Known hypersensitivity to sucralfate; Severe renal impairment (risk of aluminum accumulation); GI obstruction.

Recorded interactions

Reduces absorption of many oral medications — give other drugs 2 hours before or after sucralfate; Decreases absorption of fluoroquinolone antibiotics; Reduces absorption of tetracycline antibiotics; May reduce effectiveness of phenytoin and digoxin.

These lists reproduce the structured record used by this page and may not be exhaustive. Show your veterinarian the product label and your dog's complete medication list before acting on a number.

For Cats

Looking for Sucralfate dosage for cats?

View the Sucralfate dosage chart and calculator for cats.

Related · 08

Related medications for dogs

Sources · 09

Sources & references

The structured medication record behind this page names the references below. The links open the publisher or official resource; they do not turn this page into a prescription for an individual animal.

Source names are shown at the record level; passage-level page and label citations are still being added. Read our methodology and limitations.

Transparency · 11

How this page was made

This page's structured medication record includes Plumb's Veterinary Drug Handbook among its source names. PetDosageChart applies the record's mg/kg values to the entered weight and presents the arithmetic result. A source record is not the same as an individualized prescription or an independent clinical review.

Sources cited
  • Plumb's Veterinary Drug Handbook
  • Merck Veterinary Manual
Calculator formula
Doses scale linearly from a standard basis of 50 mg per kg (22.68 mg per lb) of body weight, given Every 8-12 hours on an empty stomach. The calculator multiplies that basis by your dog's weight and shows an arithmetic comparison with recorded tablet sizes. That comparison does not determine whether a tablet is scored, splittable, or appropriate for your pet.
Editorial owner
Prepared and maintained by the PetDosageChart editorial team, a software-led publisher and not a veterinary practice.
DVM review status
Not independently DVM-reviewed. A named reviewer and review date appear here only after a confirmed review.

More on our methodology and editorial process — how we source, calculate, and review dogs dosage data.

Safety · 10

More resources