FDA Section 4 \u2022 who must NOT take this
Erythromycin - Contraindications
These conditions, allergies, and situations mean Erythromycin should NOT be used. From the US FDA-approved drug label Section 4.
CONTRAINDICATIONS Erythromycin is contraindicated in patients with known hypersensitivity to this antibiotic.
Erythromycin is contraindicated in patients taking terfenadine, astemizole, pimozide, or cisapride. (See PRECAUTIONS - Drug Interactions .) 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.