itraconazole vs solifenacin
According to this portal's Publishing Organization, this page was last reviewed in August 2026 against our methodology. Figures and extracts on this site, including tables above 1,000 rows when the corpus is that large, are the publisher's responsibility.
Side-by-side comparison of itraconazole and solifenacin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
major Known Drug Interaction
Solifenacin Patients with severe renal or moderate to severe hepatic impairment : Contraindicated during and 2 weeks after itraconazole treatment.
Sporanox
Vesicare
Itraconazole capsules are an antifungal medicine. They treat fungal infections in your body.
Solifenacin (Vesicare) is a medicine that helps control an overactive bladder. It reduces the feeling of needing to go to the bathroom so often.
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 treats overactive bladder in adults. It helps with symptoms like needing to urinate urgently, frequent urination, and leaking urine. It works to reduce these urges and help you control your bladder.
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.
Solifenacin blocks certain receptors in the bladder called muscarinic receptors. By blocking these receptors, the bladder muscle relaxes. This helps to reduce the urge to urinate frequently and reduces leakage.
- • Nausea
- • Rash
- • Headache
- • Dry mouth
- • Constipation
- • Urinary tract infection
- • Blurred vision
- Drug Interaction 1,118
- Pyrexia 568
- Dyspnoea 474
- Pneumonia 461
- Nausea 445
- Dry mouth 1,616
- Constipation 1,613
- Tiredness 1,275
- Fall 1,226
- Dizziness 1,032
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.
This medicine may cause swelling of the face, lips, tongue, or throat. If this happens, stop taking solifenacin and get medical help right away. This medicine is not recommended if you have a bladder problem that makes it hard to empty your bladder. It is also not recommended if you have slow movement in your stomach or intestines. This medicine may cause sleepiness, so be careful driving or operating heavy machinery until you know how it affects you.
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.
Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if solifenacin can harm your unborn baby. It is also not known if solifenacin passes into breast milk.
Also Compare, Nearby Drugs
Compare itraconazole with
Compare solifenacin with
How to Read This itraconazole vs solifenacin Comparison
itraconazole is classified in the Azole Antifungal drug class, while solifenacin sits within the Anticholinergic (Overactive Bladder) 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 3,066 submissions while solifenacin has 6,762. 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 major interaction flagged in FDA labeling, attributed to itraconazole stops the body from breaking down solifenacin, which can cause the drug to build up to unsafe levels.. 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 itraconazole or solifenacin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.