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Mezlocillin

Penicillin · Antibiotic

Also known as Mezlocillin sodium

PenicillinAntibiotic
CDSCO approvedSchedule H1
EXCRETION
not curated
INTERACTIONS
1 major
SEVERE in our sources
PREGNANCY
not curated
Top interactions
  • MethotrexateSevereDatabaseDDInter

Mechanism

Mezlocillin is a β-lactam antibiotic that inhibits bacterial cell wall synthesis by interfering with penicillin-binding proteins (PBPs). Its β-lactam ring is crucial for its activity. Resistance can occur through bacterial β-lactamases or altered PBPs which prevent penicillin binding.

Indications

Serious infections caused by gram-negative bacteriaBacteremiasPneumoniasInfections following burnsUrinary tract infections due to microorganisms resistant to penicillin G and ampicillinInfections caused by P. aeruginosaInfections caused by indole-positive strains of ProteusInfections caused by Enterobacter spp.Infections caused by KlebsiellaInfections caused by E. faecalis

Dosing

Adult
streptococcal pharyngitis, sinusitis, otitis media, Dose: 0.25–0.5 g orally every 6 hours; for severe infections prophylaxis of rheumatic fever (when an oral 0.25–1 g may be injected i.m. or i.v.—higher blood levels are drug has to be selected), less serious pneumo- produced. KLOX, BIOCLOX, 0.25, 0.5 g cap; 0.25, 0.5 g/vial inj., CLOPEN coccal infections and trench mouth. 0.25, 0.5 g cap.…

Pharmacokinetics

Excretion
High biliary concentrations are achieved

Contraindications

  • Known hypersensitivity to penicillins

Side effects

Common
Hypersensitivity reactionsMild allergic manifestations
Serious
  • Anaphylaxis
  • Fatal episodes of anaphylaxis

Drug interactions

Methotrexate
Severe
Database

Clinical effect not specified

Source: DDInter

11 additional low-confidence interactions hidden — those rows lack a documented mechanism or management plan in our sources.

Related guidelines

Other Penicillin drugs

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