caspofungin vs phenytoin
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of caspofungin and phenytoin. 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
Other Inducers of Hepatic CYP Enzymes Adults : When caspofungin is co-administered to adult patients with other inducers of hepatic CYP enzymes, such as efavirenz, nevirapine, phenytoin, dexamethasone, or carbamazepine, administration of a daily dose of 70 mg of caspofungin should be considered [see Dosage and Administration ( 2.5 ) and Clinical Pharmacology ( 12.3 )] . Pediatric Patients : When caspofungin is co-administered to pediatric patients with other inducers of hepatic CYP enzymes, such as efavirenz, nevirapine, phenytoin, dexamethasone, or carbamazepine, administration of a daily...
Cancidas
Dilantin
Caspofungin is an antifungal medicine. It fights fungal infections in your body.
Phenytoin injection is used to treat certain types of seizures. It can also prevent seizures during or after neurosurgery.
Caspofungin treats several types of fungal infections. It is used for presumed fungal infections in patients with fever and low white blood cell counts. Caspofungin also treats infections caused by Candida, such as infections in the blood, abdomen, and esophagus. It can also treat invasive aspergillosis when other medicines don't work or can't be tolerated.
This medicine treats generalized tonic-clonic status epilepticus, a type of prolonged seizure. It also helps prevent and treat seizures that may happen during or after brain surgery. Sometimes, it can be used for a short time instead of the oral form of phenytoin when you cannot take the medicine by mouth.
Caspofungin stops fungi from growing. It does this by blocking a key part of the fungal cell wall. This causes the fungal cells to die.
Phenytoin works by slowing down the signals in the brain that cause seizures. It stabilizes nerve cell membranes, reducing excessive electrical activity. This helps to prevent seizures from starting or spreading.
- • Diarrhea
- • Fever
- • Increased liver enzyme levels
- • Decreased potassium levels
- • Rash
No common side effects listed.
- Death 223
- Lung infection 200
- Fever 196
- Blood infection 193
- Severe blood infection leading to organ damage 175
- Drug Interaction 1,547
- Seizure 1,382
- Toxicity To Various Agents 1,353
- Convulsion 1,262
- Status Epilepticus 791
Caspofungin can cause serious allergic reactions, including anaphylaxis. If you have signs of an allergic reaction, stop taking caspofungin right away. Caspofungin can also affect your liver. Your doctor will monitor your liver function with blood tests.
This medicine can cause serious heart problems if given too quickly. The injection rate should not be faster than 50 mg per minute for adults, and 1 to 3 mg/kg/min (or 50 mg per minute, whichever is slower) for children. Your heart will be monitored closely during and after the injection.
Caspofungin may harm your unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. It is not known if caspofungin passes into breast milk, so talk to your doctor about breastfeeding while taking this medicine.
Taking phenytoin during pregnancy may increase the risk of birth defects. If you are pregnant or plan to become pregnant, talk to your doctor about the risks and benefits of this medicine.
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How to Read This caspofungin vs phenytoin Comparison
caspofungin is classified in the Echinocandin Antifungal drug class, while phenytoin sits within the Anticonvulsant (Hydantoin) 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, caspofungin has 987 submissions while phenytoin has 6,335. 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 phenytoin speeds up the way your liver processes caspofungin, which may reduce the medicine's ability to fight infection.. 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 caspofungin or phenytoin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.