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Clinical Trial Experience: Adverse events reported in > 1% of patients receiving AccuNeb (albuterol sulfate inhalation solution) and more frequently than in patients receiving placebo in a four-week double-blind study are listed in the following table.

Table 1: Adverse Events with an Incidence of > 1% of Patients Receiving AccuNeb (albuterol sulfate inhalation solution) and Greater than Placebo (expressed as % of treatment group)

  1.25 mg AccuNeb
(N=115)
0.63 mg AccuNeb
(N=117)
Placebo
(N=117)
Asthma Exacerbation 13 11.1 8.5
Otitis Media 4.3 0.9 0
Allergic Reaction 0.9 3.4 1.7
Gastroenteritis 0.9 3.4 0.9
Cold Symptoms 0 3.4 1.7
Flu Syndrome 2.6 2.6 1.7
Lymphadenopathy 2.6 0.9 1.7
Skin/Appendage Infection 1.7 0 0
Urticaria 1.7 0.9 0
Migraine 0.9 1.7 0
Chest Pain 0.9 1.7 0
Bronchitis 0.9 1.7 0.9
Nausea 1.7 0.9 0.9

There was one case of ST segment depression in the 1.25 mg AccuNeb (albuterol sulfate inhalation solution) treatment group.

No clinically relevant laboratory abnormalities related to AccuNeb (albuterol sulfate inhalation solution) administration were seen in this study.

Postmarketing Experience

Metabolic acidosis has been reported after the use of albuterol sulfate inhalation solution. Because this reaction is reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate its frequency or establish a causal relationship to drug exposure..