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Drug Safety-related Labeling Changes (SrLC)

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E.E.S. (NDA-050207)

(ERYTHROMYCIN ETHYLSUCCINATE)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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04/23/2018 (SUPPL-74)

Approved Drug Label (PDF)

4 Contraindications

(Additions and/or revisions are underlined)

Do not use erythromycin concomitantly with HMG CoA reductase inhibitors (statins) that are extensively metabolized by CYP 3A4 (lovastatin or simvastatin), due to the increased risk of myopathy, including rhabdomyolysis.

5 Warnings and Precautions

PRECAUTIONS

(Additions and/or revisions are underlined)

When indicated, incision and drainage or other surgical procedures should be performed in conjunction with antibiotic therapy. Observational studies in humans have reported cardiovascular malformations after exposure to drug products containing erythromycin during early pregnancy.

7 Drug Interactions

(Additions and/or revisions are underlined)

Hypotension, bradyarrhythmias, and lactic acidosis have been observed in patients receiving concurrent verapamil, belonging to the calcium channel blockers drug class.

Concomitant administration of erythromycin and digoxin has been reported to result in elevated digoxin serum levels.

There have been reports of increased anticoagulant effects when erythromycin and oral anticoagulants were used concomitantly. Increased anticoagulation effects due to interactions of erythromycin with various oral anticoagulants may be more pronounced in the elderly.