Generic name: Sucralfate.

Carafate is an anti-ulcer medication. It works by forming a chemical barrier over an exposed ulcer, protecting it from stomach acid. 

Quick Facts About Carafate


Used to treat active duodenal ulcers. Also used to treat ulcers in the mouth and esophagus caused by cancer therapy, digestive tract irritation caused by stomach ulcer drugs, and pain relief after tonsil removal.

Carafate Dosage

Take on an empty stomach. Avoid taking antacids 1/2 hour before or after taking Carafate. Take exactly as prescribed.

  • Usual adult dose: for active duodenal ulcer — 1 gram (1 tablet or 2 teaspoonfuls of suspension) 4 times per day on an empty stomach. Should continue 4 to 8 weeks. Maintenance therapy — 1 gram (1 tablet) 2 times per day.
  • Usual child dose: not generally prescribed for children.
  • Missed dose: take as soon as possible, unless almost time for next dose. In that case, do not take missed dose; go back to regular schedule. Do not double doses.

Carafate Side Effects

Overdose symptoms:

no specific information available. If you suspect an overdose, immediately seek medical attention.

More common side effects: constipation.

Less common or rare Carafate side effects: back pain, diarrhea, dizziness, dry mouth, gas, headache, indigestion, insomnia, itching, nausea, possible allergic reactions including hives and breathing difficulty, rash, sleepiness, stomach upset, vertigo, vomiting.


Inform your doctor before combining Carafate with:

antacids such as Maalox; blood-thinning drugs such as Coumadin; Cimetidine (Tagamet); Digoxin (Lanoxin); drugs for controlling spasms such as Bentyl; Ketoconazole (Nizoral); Phenytoin (Dilantin); Quinidine (Quinidex); Quinolone antibiotics such as Cipro and Floxin; Ranitidine (Zantac); Tetracycline (Achromycin V); Theophylline (Theo-Dur).

No known food/other substance interactions.

Special Cautions

If pregnant or planning to become pregnant, inform your doctor immediately. May appear in breast milk, could affect a nursing baby.

No special precautions apply to seniors.

Not generally prescribed for children.

  • Use with caution if you have kidney failure or are on dialysis.

Note: provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Carafate side effects, please contact your healthcare provider.