Duck Feathers

NDC 22840-5112 · Greer Laboratories, Inc.

Generic nameAnas platyrhynchos

Dosage formSOLUTION

RouteINTRADERMAL, PERCUTANEOUS, SUBCUTANEOUS

Active ingredient(s)ANAS PLATYRHYNCHOS FEATHER

Strength.05 g/mL

Pharmacologic classAllergens [CS], Cell-mediated Immunity [PE], Feathers [CS], Increased Histamine Release [PE], Increased IgG Production [PE], Non-Standardized Feather Allergenic Extract [EPC]

Marketing categoryBLA

Packages

22840-5112-2 — 10 mL in 1 VIAL, MULTI-DOSE (22840-5112-2)

22840-5112-5 — 5 mL in 1 BOTTLE, DROPPER (22840-5112-5)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0268-0723 — GALLUS GALLUS FEATHER, ANAS PLATYRHYNCHOS FEATHER, ANSER ANSER FEATHER, 0268-8040 — ANAS PLATYRHYNCHOS FEATHER, ANSER ANSER FEATHER and GALLUS GALLUS FEATHER, 0268-8042 — GALLUS GALLUS FEATHER, ANAS PLATYRHYNCHOS FEATHER, ANSER ANSER FEATHER, 22840-1157 — Anas platyrhynchos, 22840-1176 — Anas platyrhynchos, 22840-9100 — Gallus gallus, Anas platyrhynchos and Anser anser, 22840-9101 — Gallus gallus, Anas platyrhynchos and Anser anser, 22840-9102 — Gallus gallus, Anas platyrhynchos and Anser anser, 22840-9103 — Gallus gallus, Anas platyrhynchos and Anser anser, 22840-9104 — Gallus gallus, Anas platyrhynchos and Anser anser, 22840-9105 — Gallus gallus, Anas platyrhynchos and Anser anser, 22840-9107 — Gallus gallus, Anas platyrhynchos and Anser anser, 58264-0305 — GALLUS GALLUS FEATHER, ANAS PLATYRHYNCHOS FEATHER, and ANSER ANSER FEATHER, 65044-4349 — Feather Mix, 65044-4350 — Feather Mix, 65044-4352 — Feather Mix

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.