itraconazole vs rabeprazole
Side-by-side comparison of itraconazole 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
Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole, itraconazole) Clinical Impact: Rabeprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity.
Recommendation: Your doctor may need to adjust your treatment or check that the itraconazole is still working as it should.
Sporanox
Aciphex
Itraconazole capsules are an antifungal medicine. They treat fungal infections in your body.
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).
Itraconazole treats fungal infections like blastomycosis, histoplasmosis, and aspergillosis. It can help both people with healthy immune systems and those with weakened immune systems. It also treats onychomycosis, a fungal infection of the toenails or fingernails.
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.
Itraconazole stops fungi from growing. It does this by interfering with the production of a substance fungi need to build their cell membranes. This eventually kills the fungus and clears the infection.
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.
- • Nausea
- • Rash
- • Headache
- • Pain
- • Sore throat
- • Gas
- • Infection
- • Constipation
- Interaction with another medicine 1,118
- Fever 570
- Difficulty breathing 472
- Lung infection 462
- Feeling sick to your stomach 446
- Feeling sick to your stomach 1,543
- Loose, watery stools 1,318
- Aches or soreness 1,314
- Pain in your head 1,284
- Difficulty breathing 1,276
Itraconazole can cause congestive heart failure. You should not take this medicine if you have heart problems. Itraconazole can also interact with many other medicines. Some of these interactions can be dangerous or even fatal. Check with your doctor about all the medicines you take.
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.
You should not take itraconazole if you are pregnant or plan to become pregnant. It can harm your unborn baby. Talk to your doctor about safe alternatives.
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.
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How to Read This itraconazole vs rabeprazole Comparison
itraconazole is classified in the Azole Antifungal 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, itraconazole has 3,068 submissions while rabeprazole has 6,735. 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 lowers stomach acid, which makes it harder for your body to absorb itraconazole correctly.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between itraconazole and rabeprazole - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.