Lumateperone and Posaconazole interaction
Lumateperone and Posaconazole: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Lumateperone (CAPLYTA) label · effective 2025-06-20
Strong CYP3A4 inhibitors: Recommended dosage is 10.5 mg once daily.
Moderate CYP3A4 inhibitors: Recommended dosage is 21 mg once daily.
Moderate or Strong CYP3A4 Inhibitors* Prevention or Management Reduce the CAPLYTA dosage when used concomitantly with moderate or strong CYP3A4 inhibitors [see Dosage and Administration ( 2.2 ) ].
Clinical Impact Concomitant use of CAPLYTA with moderate or strong CYP3A4 inhibitors increases lumateperone exposure [see Clinical Pharmacology ( 12.3 ) ] , which may increase the risk of adverse reactions.
…interactions with adjunctive SSRI/SNRIs in MDD were observed in CAPLYTA clinical trials, CAPLYTA’s moderate serotonin transporter (SERT) activity may increase the risk of SRI-associated adverse reactions (e.g., serotonin syndrome, hyponatremia). * See www.fda.gov/CYPandTransporterInteractingDrugs for examples of CYP3A4 Inducers and Moderate or Strong CYP3A4 Inhibitors
From the Posaconazole (NOXAFIL) label · effective 2026-02-13
Concomitant Use with Midazolam : Noxafil can prolong hypnotic/sedative effects.
Increased plasma midazolam concentrations could potentiate and prolong hypnotic and sedative effects.
Benzodiazepines that are CYP3A4 Substrates Mechanism and Clinical Effect(s) Concomitant use of posaconazole with midazolam increased midazolam plasma concentrations which could potentiate and prolong hypnotic and sedative effects [see Clinical Pharmacology (12.3) ] .
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.