Diphtheria
A bacterial infection that can affect the throat and airways or, less commonly, the skin.
Symptoms and what to notice
Sore throat, mild fever, swollen neck glands, weakness, and a thick gray coating in the nose or throat.
How long can it last?
Symptoms usually begin two to five days after exposure; illness and recovery can last weeks.
How serious is Diphtheria?
The toxin can damage the heart and nerves and may be fatal. Suspected respiratory diphtheria is an emergency.
Treatment and management
Diphtheria antitoxin and antibiotics are used promptly, with isolation and management of close contacts.
Is there a vaccine—and who should receive it?
Protection is included in DTaP for children and Tdap/Td for older children and adults. CDC recommends age-appropriate primary doses and boosters.
Official U.S. guidance
Read the current CDC guidance for Diphtheria →
Cost: Patient cost varies by insurance, provider, location, and eligibility. Many recommended vaccines are covered with no out-of-pocket cost under qualifying plans, and eligible children may receive vaccines through the Vaccines for Children program. CDC price lists are purchasing benchmarks—not guaranteed patient prices. CDC price context.