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Western Ragweed

NDC 22840-5328 · Greer Laboratories, Inc.

Generic nameAmbrosia psilostachya
Dosage formSOLUTION
RouteINTRADERMAL, PERCUTANEOUS, SUBCUTANEOUS
Active ingredient(s)AMBROSIA PSILOSTACHYA POLLEN
Strength.05 g/mL
Pharmacologic classAllergens [CS], Cell-mediated Immunity [PE], Increased Histamine Release [PE], Non-Standardized Pollen Allergenic Extract [EPC], Pollen [CS]
Marketing categoryBLA

Packages

22840-5328-2 — 10 mL in 1 VIAL, MULTI-DOSE (22840-5328-2)

22840-5328-4 — 50 mL in 1 VIAL, MULTI-DOSE (22840-5328-4)

22840-5328-5 — 5 mL in 1 BOTTLE, DROPPER (22840-5328-5)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0268-1445 — Ragweed Western, 0268-1446 — Ragweed Western, 0268-6752 — Western Ragweed, 22840-1393 — Ambrosia psilostachya, 22840-1394 — Ambrosia psilostachya, 22840-1395 — Ambrosia psilostachya, 22840-1396 — Ambrosia psilostachya, 22840-1398 — Ambrosia psilostachya, 22840-9339 — Ambrosia acanthicarpa, Ambrosia psilostachya, 22840-9340 — Ambrosia acanthicarpa, Ambrosia psilostachya, 22840-9341 — Ambrosia acanthicarpa, Ambrosia psilostachya, 22840-9342 — Ambrosia acanthicarpa, Ambrosia psilostachya, 22840-9344 — Ambrosia acanthicarpa, Ambrosia psilostachya, 22840-9355 — Ambrosia acanthicarpa, Ambrosia psilostachya, 49643-316 — Ambrosia psilostachia, 65044-2308 — Ragweed. Western Ambrosia psilostachya, 65044-2309 — Ragweed. Western Ambrosia psilostachya, 65044-2311 — Ragweed. Western Ambrosia psilostachya, 65044-2318 — Giant, Short, Western Ragweed Mix, 65044-2320 — Giant, Short, Western Ragweed Mix

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