II. Epidemiology: Most common allergans
- Dust mites (27%)
- Perennial rye (27%)
- Short ragweed (26%)
- German cockroach (26%)
- Bermuda grass (18%)
- Cat (17%)
- Russian Thistle (15%)
- White oak (13%)
- Alternaria alternata (13%)
- Salo (2014) J Allergy Clin Immunol 134(2): 350-9 [PubMed]
III. General: Screen with 8 Antigen panel
IV. Regions: All areas
V. Regions: Northeast and Mid-Atlantic (Maine to West Virginia)
- Trees: Oak, Maple, Birch (Elm in Mid-Atlantic)
- Grasses: Orchard, Meadow Fescue, Perennial Rye, Blue
- Weeds:
- Ragweed (short and tall), Cocklebur, Lamb's Quarters
- Rough pigweed
VI. Regions: Southern (Virginia to Louisiana)
- Trees: Oak, Pecan
- Grasses: Orchard, Bermuda, Blue
- Weeds:
- Ragweed (short, tall, and southern)
- Rough marsh elder
VII. Regions: Southern Florida and Hawaii
- Trees: Australian Pine
- Grasses: Bermuda, Johnson, Brome
- Weeds:
- Ragweed (short and tall), Cocklebur, Lamb's Quarters
- Rough pigweed
VIII. Regions: Midwest (Ohio to Minnesota south to Missouri)
- Trees: Oak, Maple, Birch, Elm
- Grasses: Timothy, Blue, Red Top, Orchard
- Weeds: Ragweed (short and tall)
IX. Regions: Central Texas and Oklahoma
- Trees: Mountain cedar, Pecan
- Grasses: Bermuda, Johnson, Brome
- Weeds:
- Russian thistle, Kochia, Sagebrush
- Ragweed (Western and False)
X. Regions: Desert Southwest (New Mexico to Eastern California)
- Trees: Olive, Mulberry
- Grasses: Perennial Rye
- Weeds:
- Russian thistle, Kochia, Sagebrush
- Ragweed (Western and False)
XI. Regions: Southern California
- Trees: California Live Oak
- Grasses: Johnson, Bermuda, Timothy, Blue
- Weeds:
- Cocklebur, Rough pigweed, English plantain
- Lamb's Quarters
XII. Regions: Pacific Northwest (Northern California to Washington)
- Trees: California Live Oak (south), White oak (north)
- Grasses:
- Timothy, Orchard, Blue, Red top, Meadow fescue
- Perennial rye
- Weeds: Sage
XIII. Regions: High Plains and Intermountain
- Location
- Western Washington to North Dakota south to
- Nevada to Kansas
- Trees: Juniper, Cottonwood
- Grasses: Perennial rye
- Weeds:
- Russian thistle, Kochia, Ragweed (False, Western)
- Sagebrush
- Ragweed (short and tall) in KS, NE, SD, ND