different between erythromycin vs azithromycin

English

Etymology

From (Streptomyces) erythr(eus) +? -o- +? -mycin (“antibiotic from a Streptomyces strain”).

Pronunciation

• (Received Pronunciation) IPA^(key): /?????.??(?)?m??.s?n/
• (General American) IPA^(key): /?????.???ma?.sn?/

Noun

erythromycin (countable and uncountable, plural erythromycins)

1. (pharmacology) A broad-spectrum macrolide antibiotic C₃₇H₆₇NO₁₃ produced by an actinomycete Saccharopolyspora erythraea (formerly Streptomyces erythreus) and similar in its effects to penicillin, administered orally or topically in the treatment of infections caused by Gram-positive bacteria.

Translations

Derived terms

References

• “erythromycin”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• “erythromycin”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

English

Etymology

From az- +? (er)ythromycin.

Pronunciation

• (General American) IPA^(key): /??z??.?o??ma?.sn?/

Noun

azithromycin (uncountable)

1. (pharmacology) A semisynthetic macrolide antibiotic C₃₈H₇₂N₂O₁₂ (trademarks Zithromax, Z-PAK) that is derived from erythromycin and is used especially as an antibacterial agent.

References

• “azithromycin”, in Merriam–Webster Online Dictionary, (Please provide a date or year).