sucralfate vs tetracycline
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Side-by-side comparison of sucralfate and tetracycline. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Drug Interactions Some studies have shown that simultaneous sucralfate administration in healthy volunteers reduced the extent of absorption (bioavailability) of single doses of the following: cimetidine, digoxin, fluoroquinolone antibiotics, ketoconazole, l-thyroxine, phenytoin, quinidine, ranitidine, tetracycline, and theophylline.
Carafate
Sumycin
Sucralfate is a medicine that helps heal and protect ulcers in your small intestine. It creates a coating over the ulcer to shield it from stomach acid.
Tetracycline is an antibiotic medicine. It fights bacteria in your body to treat different types of infections.
Sucralfate is used to treat active duodenal ulcers, which are sores in the first part of your small intestine. It can help heal these ulcers over a period of 4 to 8 weeks. Sucralfate can also be used as maintenance therapy at a lower dose to prevent ulcers from coming back after they have healed.
Tetracycline treats many kinds of infections caused by bacteria. This includes infections of the lungs, skin, urinary tract, and some sexually transmitted infections. It can also treat acne and other less common infections like brucellosis, tularemia, or cholera. Your doctor will decide if tetracycline is right for your infection.
Sucralfate works by forming a protective layer over the ulcer. This coating acts like a bandage, shielding the ulcer from stomach acid and enzymes. This protection helps the ulcer heal.
Tetracycline works by stopping bacteria from growing and multiplying. It prevents the bacteria from making proteins they need to survive. This helps your body's immune system fight off the infection.
- • Constipation (2%)
- • Nausea
- • Vomiting
- • Diarrhea
- • Loss of appetite
- • Stomach upset
- Nausea 2,262
- Fatigue 1,733
- Diarrhoea 1,700
- Pain 1,481
- Headache 1,381
- Drug Hypersensitivity 151
- Hypersensitivity 123
- Pneumonia 103
- Pain In Extremity 93
- Arthralgia 90
Inadvertent injection of sucralfate has led to fatal complications, including blood clots in the lungs and brain. Sucralfate is not intended for intravenous administration.
Tetracycline can cause permanent tooth discoloration if used during tooth development. This means it should not be used in pregnant women or children under 8 years old. Tetracycline can also make your skin more sensitive to the sun, so avoid prolonged sun exposure.
It is not known if sucralfate can harm an unborn baby. Talk to your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
Tetracycline can harm an unborn baby. You should not take tetracycline if you are pregnant. Tetracycline can also pass into breast milk and may affect the baby. Talk to your doctor about safe alternatives if you are breastfeeding.
Also Compare, Nearby Drugs
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How to Read This sucralfate vs tetracycline Comparison
sucralfate is classified in the Mucosal Protective Agent drug class, while tetracycline sits within the Tetracycline Antibiotic class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, sucralfate has 8,557 submissions while tetracycline has 560. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to sucralfate can block your body from absorbing tetracycline if they are taken together. this could prevent the antibiotic from treating your infection effectively.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for sucralfate or tetracycline.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.