From: Canine atopic dermatitis: detailed guidelines for diagnosis and allergen identification
Allergen | Recommended allergen dilution for IDT [49] | |
---|---|---|
Histamine | 1: 100,000Â w/v | 1:10,000Â w/v |
Pollens and moulds | 1,000 PNU/mL | 1000 to 8000 PNU/mL |
Individual DM | 250 PNU/mL or 1:50,000 w/v | 100–200 PNU/mL (D. pteronyssinus) |
75 PNU/mL (D. farina, Tyrophagus putrescentiae, and Lepidoglyphus destructor) | ||
50 PNU/mL (Acarus siro and Blomia tropicalis) | ||
Epidermal extracts | 250–500 PNU/mL | At least 1,250 PNU/mL |
300 PNU/mL (human dander) | ||
Insects | 1,000 PNU/mL | At least 1,750 PNU/mL |
Whole flea extract | 1:1,000Â w/v | 1:500Â w/v |