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D-034

Diphtheria

Infectious

Symptoms

Sore throat, fever, a thick grey coating in the throat, difficulty breathing/swallowing, swollen neck glands.

Cause

Bacterial infection (Corynebacterium diphtheriae), spread through respiratory droplets; largely preventable by vaccination.

Prevention

Vaccination (DPT) is highly effective and the primary prevention method.

Treatment

Requires urgent antitoxin and antibiotic treatment in hospital; isolation to prevent spread. Commonly used medicines: diphtheria antitoxin plus erythromycin, given in hospital.

See a doctor if

Any suspected case needs immediate hospital care — this is a medical emergency.

Frequently Asked Questions

What are the early symptoms of Diphtheria?

Sore throat, fever, a thick grey coating in the throat, difficulty breathing/swallowing, swollen neck glands.

What causes Diphtheria?

Bacterial infection (Corynebacterium diphtheriae), spread through respiratory droplets; largely preventable by vaccination.

How can Diphtheria be prevented?

Vaccination (DPT) is highly effective and the primary prevention method.

What is the treatment for Diphtheria?

Requires urgent antitoxin and antibiotic treatment in hospital; isolation to prevent spread. Commonly used medicines: diphtheria antitoxin plus erythromycin, given in hospital.

When should I see a doctor for Diphtheria?

Any suspected case needs immediate hospital care — this is a medical emergency.
Reviewed by the Swasthya Suchi pharmacy team for general accuracy · Last updated: 2026-08-10
This information is for general awareness only. It does not replace a doctor's diagnosis or prescription. For any symptoms, please consult a qualified physician.