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Diphtheria Antitoxin Dosage

Applies to the following strengths: 20000 units

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Diphtheria Prophylaxis

<= 48 hours duration:
Pharyngeal/laryngeal disease: 20000 to 40000 units.
Nasopharyngeal lesions: 40000 to 60000 units.

>= 3 days duration: 80000 to 120000 units.

Usual Pediatric Dose for Diphtheria Prophylaxis

<= 48 hours duration:
Pharyngeal/laryngeal disease: 20000 to 40000 units.
Nasopharyngeal lesions: 40000 to 60000 units.

>= 3 days duration: 80000 to 120000 units.

Other Comments

Units refers to International Units (IU).

Patients with suspected diphtheria infection should receive diphtheria antitoxin as quickly as possible. A bacteriologic confirmation is not warranted prior to administration in such instances.

Continue and complete the basic immunization schedule for children after administration of diphtheria antitoxin.

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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.