[Treating diphtheria in the 21st century]

Area of Science:

• Infectious Diseases
• Microbiology
• Pharmacology

Background:

• Current diphtheria treatment relies on antitoxin and penicillin.
• Diphtheria antitoxin is unavailable in the Czech Republic, necessitating a treatment strategy change.
• Penicillin's efficacy is limited as it does not neutralize diphtheria toxin.

Purpose of the Study:

• To propose an alternative treatment strategy for diphtheria in the absence of antitoxin.
• To identify suitable antibiotic alternatives to penicillin for diphtheria treatment.

Main Methods:

• Literature review of existing and alternative diphtheria treatments.
• Analysis of antibiotic mechanisms of action relevant to diphtheria pathogens.
• Evaluation of antibiotic classes for efficacy against diphtheria.

Main Results:

• Antibiotics inhibiting bacterial protein synthesis, such as clindamycin and linezolid, are proposed alternatives.
• Macrolides may be effective for mild to moderate diphtheria cases.
• The absence of diphtheria antitoxin requires a shift from toxin neutralization to pathogen eradication.

Conclusions:

• A revised diphtheria treatment protocol is essential due to antitoxin scarcity.
• Clindamycin and linezolid represent promising alternatives for diphtheria treatment.
• Further research into optimal antibiotic regimens for diphtheria is warranted.