Drug study – Theophylline

Theophylline

Action – bronchodilator by blockkng phosphodiesterase and increasing cAMP concentration

Other actions – cardiac stimulation, diuresis, gastric acid secretion

Indication – Chronic bronchitis and emphysema

Side effect – Fatal – Arrhythmia, Convulsions and Hypotension on rapid infusion

NOTE – Avoid excessive intake of coffee and avoid smoking while using this drug