digoxin vs rabeprazole

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Side-by-side comparison of digoxin and rabeprazole. 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

Conivaptan 33% 43% Diltiazem 20% NA Indomethacin 40% NA Mirabegron 29% 27% Nefazodone 27% 15% Nifedipine 45% NA Propantheline 24% 24% Quinine NA 33% Rabeprazole 29% 19% Saquinavir 27% 49% Spironolactone 25% NA Telmisartan 20 to 49% NA Tricagrelor 31% 28% Tolvaptan 30% 20% Trimethoprim 22 to 28% NA Digoxin concentrations increased, but magnitude is unclear Alprazolam, azithromycin, cyclosporine, diclofenac, diphenoxylate, epoprostenol, esomeprazole, ibuprofen, ketoconazole, lansoprazole, metformin, omeprazole Measure serum digoxin concentrations before initiating concomitant drugs.

Drug Class
digoxin Cardiac Glycoside
rabeprazole Proton Pump Inhibitor (PPI)
Type
digoxin Prescription
rabeprazole Prescription
Summary
digoxin

Digoxin (Lanoxin) is a medicine that helps your heart pump better. It is used to treat heart failure and control irregular heartbeats.

rabeprazole

Rabeprazole (Aciphex) is a medicine that reduces the amount of acid your stomach makes. It belongs to a class of drugs called proton pump inhibitors (PPIs).

What It Treats
digoxin

Digoxin is used to treat mild to moderate heart failure in adults. It helps the heart pump more blood with each beat. Digoxin is also used in children with heart failure to help their heart work better. In adults, it can control a fast and irregular heartbeat called atrial fibrillation.

rabeprazole

This medicine can treat several conditions caused by too much stomach acid. It can heal damage to your esophagus from acid reflux (GERD). It also treats heartburn, stomach ulcers, and conditions like Zollinger-Ellison syndrome where the body makes too much acid. Rabeprazole can also be used with antibiotics to get rid of a bacteria called H. pylori that can cause ulcers.

How It Works
digoxin

Digoxin belongs to a class of drugs called cardiac glycosides. It works by making the heart muscle contract more strongly. It also slows down the electrical signals in the heart, which can help control irregular heartbeats.

rabeprazole

Rabeprazole works by blocking the enzyme in your stomach that produces acid. This helps to lower the amount of acid in your stomach. Lowering stomach acid helps to heal damage and relieve symptoms.

Common Side Effects
digoxin
  • Nausea
  • Vomiting
  • Diarrhea
  • Dizziness
  • Headache
rabeprazole
  • Pain
  • Sore throat
  • Gas
  • Infection
  • Constipation
FAERS Reports
digoxin
  • Dyspnoea 6,065
  • Nausea 4,754
  • Dizziness 4,439
  • Fatigue 4,175
  • Atrial Fibrillation 3,974
rabeprazole
  • Nausea 1,541
  • Diarrhoea 1,319
  • Pain 1,314
  • Headache 1,284
  • Dyspnoea 1,276
Serious Warnings
digoxin

Digoxin can cause serious side effects, including dangerous heart rhythms. You are at higher risk if you have certain heart conditions or kidney problems. Tell your doctor right away if you have nausea, vomiting, vision changes, or an irregular heartbeat.

rabeprazole

Taking PPIs like rabeprazole may hide signs of stomach cancer, so tell your doctor if your symptoms don't improve. This medicine may also increase your risk of bone fractures, especially if you take it for a long time or at high doses. Long-term use may also cause low vitamin B12 or magnesium levels. Contact your doctor right away if you experience signs of hypersensitivity.

Pregnancy
digoxin

It is not known if digoxin can harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. The medicine passes into breast milk, but it is unlikely to harm the baby.

rabeprazole

It is not known if rabeprazole is safe to use during pregnancy. Talk to your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.

Also Compare, Nearby Drugs

How to Read This digoxin vs rabeprazole Comparison

digoxin is classified in the Cardiac Glycoside drug class, while rabeprazole sits within the Proton Pump Inhibitor (PPI) 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, digoxin has 23,407 submissions while rabeprazole has 6,734. 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 rabeprazole can increase the amount of digoxin in your blood by changing how your body absorbs the medicine.. 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 digoxin or rabeprazole.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.