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Anthrax Vaccine Adsorbed Dosage

Medically reviewed on November 10, 2016.

Usual Adult Dose for:

Additional dosage information:

Usual Adult Dose for Anthrax Prophylaxis

Less than 65 years: 0.5 mL subcutaneously every 2 weeks for 3 doses, followed by 0.5 mL at 6, 12, and 18 months. Annual booster injections are recommended thereafter.

Renal Dose Adjustments

No adjustment recommended

Liver Dose Adjustments

No adjustment recommended


Pregnant women should not be vaccinated unless the potential benefit outweighs potential risk to the fetus.

Individuals with a history of Guillain-Barre syndrome should not be vaccinated unless the benefit outweighs the potential risk or recurrence.

Immunosuppressed or immunodeficient patients may not achieve adequate immune response. Consider deferring vaccination for 3 months after chemotherapy, immunosuppressive corticosteroid therapy, or radiation therapy.

Defer vaccination in patients with moderate or severe illness until after recovery. Vaccination is not contraindicated in mildly ill patients with or without a low grade fever.

Patients with a history of anthrax disease may have an increased risk of severe local reactions.

Caution is recommended in patients with latex sensitivity (the stopper contains natural rubber).

Epinephrine should be immediately available in case of an anaphylactic reaction.

Safety and effectiveness have not established in pediatric patients (less than 18 years).


No adjustment recommended

Further information

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