ERYTHROCIN has many potential drug-drug interactions. Tell your doctor about every medication you are taking before starting ERYTHROCIN. Some examples of frequent drug-drug interactions include: Antibiotics, Anticoagulant medications, Antineoplastic agents (chemotherapy), Calcium channel blockers, Carbamazepine, Cilostazol, Cobicistat, Colchicine, Eplerenone, Everolimus, Fentanyl, Guanfacine, Ibrutinib, Lurasidone, Methadone, Sleep medications, Statin medications, Theophylline Fact Table Formula C37H67NO13 License AU, US FDA Bioavailability Depends on the ester type; between 30% and 65% Legal status RX Only Chemical Name Erythromycin Elimination half-life 1.5 hours Dosage (Strength) 250mg (100 tablets) Pregnancy Consult a doctor Brands Aktipak, Apo-Erythro-S, Benzamycin, E.E.S., Ery, Ery-tab, Eryc, Erygel, Eryped, Erythro, Erythrocin, Erythrocin Stearate Protein binding 90% PubChem CID 12560 MedlinePlus a682381 ChEBI 42355 ATC code A01AC03, A07EA02, C05AA01, D07AA0, H02AB09, S01BA02, S02BA01 DrugBank DB00199 KEGG D00140 Routes of administration By mouth, intravenous (IV), intramuscular (IM), topical, eye drops