Table 3 Health Canada approved sublingual immunotherapy tablets [23,24,25,26]

Oralair^®

Five grass pollens:

• Cocksfoot

• Sweet vernal grass

• Rye grass

• Meadow grass

• Timothy

5–50 years

3 day escalation (from 100 to 300 IR)

16 weeks

300 IR

Grastek^®

Timothy grass pollen

≥ 5 years

Full dose

At least 8 weeks

2800 BAU

Ragwitek^®

Short ragweed pollen

18–65 years

Full dose

At least 12 weeks

12 Amb a 1-U

Acarizax™

Standardized allergen extract, house dust mites (D. farinae and D. pteronyssinus)

18–65 years

Full dose

Any time during the year

1 sublingual tablet (12 SQ-HDM*) daily