PORPHYROCIN Film-coated tablet Ref.[28314] Active ingredients: Erythromycin

Source: Υπουργείο Υγείας (CY)  Revision Year: 2020  Publisher: MEDOCHEMIE LTD, 1-10 Constantinoupoleos street, 3011 Limassol, Cyprus

5.1. Pharmacodynamic properties

Pharmacotherapeutic group: Antibacterials for systemic use; Macrolides, lincosamides and streptogramins
ATC code: J01FA01

Erythromycin exerts its antimicrobial actions by binding to the 50S ribosomal sub-unit of susceptible microorganisms and suppresses protein synthesis. Erythromycin is usually active against most strains of the following organisms both in vitro and in clinical infections:

Gram positive bacteria - Listeria monocytogenes, Corynebacterium diphtheriae (as an adjunct to antitoxin) Staphylococci spp, Streptococci spp (including Enterococci).

Gram negative bacteria - Haemophilus influenzae, Neisseria meningitides, Neisseria gonorrhoeae, Legionella pneymophila, Moraxella (Branhamella) cararrhalis, Bordetella pertussis, Campylobacter spp.

Mycoplasma - Mycoplasma pneumoniae, Ureaplasma urealyticum.

Other organisms - Treponema pallidum, Chlamydia spp, Clostridia spp, L-forms, the agents causing trachoma and lymphogranuloma venereum.

Note: The majority of strains of Haemophilus influenzae are susceptible to the concentrations reached after ordinary doses.

5.2. Pharmacokinetic properties

In the presence of normal hepatic function, erythromycin is concentrated in the liver and is excreted in the bile. After oral administration, less than 5% of the administered dose can be recovered in the active form in the urine.

5.3. Preclinical safety data

There are no pre-clinical data of relevance to the prescriber which are additional to that already included in other sections of the SPC.

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