Acute diseases Adult & adolescent ≥12 yr 200 mg tds or 600 mg once daily. Childn 2-12 yr 100 mg tds or 200 mg bd. Long-term treatment 400-600 mg daily for max: 3-6 mth. Mucoviscidosis Childn from 6 yr 200 mg tds or 600 mg once daily.
Discontinue use if bronchospasm occurs. Bronchial asthma; patients w/ or history of peptic ulcer; histamine intolerance. Not to be mixed w/ other drugs. Pregnancy. Not to be used during lactation.