Research Article

Sublingual Immunotherapy with a Five-Grass Pollen Tablet in Adult Patients with Allergic Rhinitis: An Open, Prospective, Noninterventional, Multicenter Study

Table 3

Adverse events (in general and those related to treatment, i.e., adverse drug reactions) having occurred in at least 1% of the 808 patients during the first year of SLIT.

MedDRA system organ class and preferred term (PT)Number of patients (%)Number of events

AEs (total)297 (36.8)758
Treatment-related AEs (=ADRs) (total)285 (35.3)720
Ear and labyrinth disorders17 (2.1)18
 Ear pruritus15 (1.9)16
Eye disorders14 (1.7)19
 Eye pruritus8 (1.0)9
Gastrointestinal disorders222 (27.5)411
 Paresthesia oral88 (10.9)118
 Oral pruritus56 (6.9)74
 Edema mouth43 (5.3)52
 Oral discomfort20 (2.5)24
 Nausea16 (2.0)18
 Lip swelling12 (1.5)13
 Glossodynia11 (1.4)15
 Tongue edema11 (1.4)11
 Hypoesthesia oral10 (1.2)10
 Dyspepsia9 (1.1)11
 Dysphagia9 (1.1)11
Nervous system disorders26 (3.2)31
 Paresthesia9 (1.1)12
Respiratory, thoracic, and mediastinal disorders110 (13.6)163
 Throat irritation62 (7.7)80
 Pharyngeal edema14 (1.7)16
 Dyspnea10 (1.2)12
 Sneezing9 (1.1)9
 Cough8 (1.0)8
Skin and subcutaneous tissue disorders25 (3.1)35
 Pruritus15 (1.9)17

MedDRA: Medical Dictionary for Regulatory Activities, Version 11.1.
%: percentage of patients; AE: adverse event; ADR: adverse drug reaction.