Lefamulin

443 interactions 322 cited references
Also sold as: Xenleta Xenleta®
About Lefamulin

Lefamulin is used to treat community acquired pneumonia (a lung infection that developed in a person who was not in the hospital) caused by certain types of bacteria. Lefamulin is in a class of medications called pleuromutilin antibiotics. It works by slowing the growth or killing bacteria that cause infections. Antibi… Read the full Lefamulin drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Contraindicated

Lefamulin Dasatinib Phyrago Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Entrectinib Rozlytrek Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, increased entrectinib exposure, an increas... Details Lefamulin Ivabradine Corlanor Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Ketoconazole Topical Extina® Foam Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions and an increased risk of QT interval prolon... Details Lefamulin Atazanavir Reyataz Increased lefamulin and atazanavir exposure and an increased risk of QT interval prolongation Details Lefamulin Bepridil An increased risk of QT interval prolongation Details Lefamulin Ceritinib Zykadia Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, an increased sensitive CYP3A4 substrate ex... Details Lefamulin Cisapride Propulsid® Increased risk of QT interval prolongation Details Lefamulin Dronedarone Multaq Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, an increased dronedarone exposure, an incr... Details Lefamulin Ensitrelvir Increased CYP3A/P-gp substrate exposure and an increased risk of adverse reactions Details Lefamulin Fluconazole Diflucan Increased CYP3A4 substrate exposure and an increased risk of QT interval prolongation Details Lefamulin Ivosidenib Tibsovo Reduced lefamulin exposure, reduced efficacy of lefamulin, an increased ivosidenib exposure, an increased risk of ivosidenib-relat... Details Lefamulin Ketoconazole Extina Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions and an increased risk of QT interval prolon... Details Lefamulin Levoketoconazole Recorlev An increased risk of QT interval prolongation and torsades pointes, an increased CYP3A4 substrate exposure and an increased risk o... Details Lefamulin Lomitapide Increased lomitapide exposure Details Lefamulin Mesoridazine An increased risk of QT interval prolongation Details Lefamulin Mobocertinib Exkivity Increased risk of QT interval prolongation Details Lefamulin Nilotinib Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, an increased sensitive CYP3A4 substrate ex... Details Lefamulin Pimavanserin Nuplazid Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Pimozide Increased pimozide exposure, an increased risk of pimozide-related adverse reactions and an increased risk of QT interval prolonga... Details Lefamulin Piperaquine An increased risk of QT interval prolongation Details Lefamulin Posaconazole Noxafil Increased CYP3A4 substrate exposure and an increased risk of QT interval prolongation Details Lefamulin Quetiapine Seroquel Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Quinidine Cardioquin® Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, increased sensitive CYP3A4 substrate expos... Details Lefamulin Quinine Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, increased sensitive CYP3A4 substrate expos... Details Lefamulin Repotrectinib Augtyro Reduced lefamulin exposure, reduced efficacy of lefamulin, an increased repotrectinib exposure and an increased risk of repotrecti... Details Lefamulin Ribociclib Kisqali Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, an increased sensitive CYP3A4 substrate ex... Details Lefamulin Saquinavir Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, an increased saquinavir exposure, an incre... Details Lefamulin Sparfloxacin An increased risk of QT interval prolongation Details Lefamulin Tacrolimus Astagraf Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Tamoxifen Nolvadex® Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Terfenadine An increased risk of QT interval prolongation Details Lefamulin Thioridazine Reduced lefamulin exposure, reduced efficacy of lefamulin and an increased risk of QT interval prolongation Details Lefamulin Vardenafil Levitra Increased sensitive CYP3A4 substrates exposure and an increased risk of QT interval prolongation Details Lefamulin Voclosporin Lupkynis Increased lefamulin exposure, an increased risk of lefamulin-related adverse reactions, increased voclosporin exposure, an increas... Details Lefamulin Ziprasidone Geodon An increased risk of QT interval prolongation Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.