Significant decrease in serum potassium levels: Significant decreases in serum potassium levels have been reported in patients receiving Procaterol HCl Hemihydrate. If xanthine derivatives, corticosteroids or diuretics are given with this drug in patients with decreased serum potassium levels triggered due to β2-adrenergic agonists. Serum potassium levels must be monitored closely in hypoxic patients because of the possibility of worsening cardiac arrhythmias due to decreased serum potassium levels. See table.
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If symptoms of hypersensitivity occur, stop administering the drug.
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