Theophylline

Theophylline is an airway dilator drug used such as in asthma or chronic obstructive pulmonary disease (COPD) The use of theophylline requires monitoring of the drug's blood concentration, because once its serum concentration exceeds 20 ug/ml, toxic symptoms significantly toxic symptoms intensify - nausea, vomiting, headache, diarrhea, insomnia, irritability. Exceeding a concentration of 30 ug/ml causes convulsions and life-threatening arrhythmia. Determination of Theophylline in the blood can also be performed when poisoning with the of the drug.