Sucralfate (Carafate) is a prescription medicine used to treat ulcers of the upper gastrointestinal tract. Drug Class and Mechanism: Furosemide is a powerful diuretic, i.e. a water pill which is drawn on to reduce the salt and water from a person’s body. Check with your doctor immediately if any of the following side effects occur while taking sucralfate: Incidence Not Known. Blue lips and fingernails Sucralfate (Carafate) is a drug prescribed to treat stomach ulcers. Common side effects are dizziness, insomnia, diarrhea, nausea, and vertigo. Dosage, drug interactions, and pregnancy and breastfeeding safety information are provided. SIDE EFFECTS. Adverse reactions to sucralfate tablets in clinical trials were minor and only rarely led to discontinuation of the drug. In studies involving over 2700 patients treated with sucralfate, adverse effects were reported in 129 (4.7%). SIDE EFFECTS. Adverse reactions to sucralfate tablets in clinical trials were minor and only rarely led to discontinuation of the drug. In studies involving over 2700 patients treated with sucralfate, adverse effects were reported in 129 (4.7%). Dachshunds being treated for disc disease, either with surgery or conventional treatment, are likely to be administered some of the medications discussed here. Sucralfate may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away: constipation; Some side effects can be serious. Side Effects. Constipation, dry mouth, upset stomach, gas, and nausea may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Sucralfate is an anti-ulcer medication. Sucralfate is not greatly absorbed into the body through the digestive tract. It works mainly in the lining of the stomach by adhering to ulcer sites and protecting them from acids, enzymes, and bile salts.