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Am Fam Physician. 2022;105(1):20-21

Author disclosure: No relevant financial relationships.

Peanut allergen powder (Palforzia) is an allergen extract for oral immunotherapy. It is labeled for the mitigation of allergic and anaphylactic reactions to accidental exposure to small amounts of peanuts in patients with a confirmed diagnosis of peanut allergy. Use of peanut allergen powder may be initiated in children four to 17 years of age and maintained in adults 18 years and older.1

DrugDosageDose formCost of full course*
Peanut allergen powder (Palforzia)Three phases of dosing: initial escalation, up-dosing, and maintenance0.5-mg to 100-mg capsules; 300-mg sachets$3,000
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