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warnings
WARNINGS This product is not indicated in the management of status asthmaticus, which is a serious medical emergency. Although the relationship between plasma levels of dyphylline and appearance of toxicity is unknown, excessive doses may be expected to be associated with an increased risk of adverse effects. Do not use this product unless a diagnosis of asthma has been made by a doctor. Do not use this product if you have heart disease, high blood pressure, thyroid disease, diabetes, or difficulty in urination due to enlargement of the prostate gland unless directed by a doctor. Do not use this product if you have ever been hospitalized for asthma or if you are taking any prescription drug for asthma unless directed by a doctor.
Adverse Reactions This formulation may cause nausea, headache, cardiac palpitation and CNS stimulation. Postprandial administration may help avoid gastric discomfort. The following adverse reactions which have been reported with other xanthine bronchodilators, and which have most often been related to excessive drug plasma levels, should be considered as potential adverse effects when dyphylline is administered. Gastrointestinal: nausea, vomiting, epigastric pain, hematemesis, and diarrhea. Central Nervous System: headache, irritability, restlessness, insomnia, hyperexcitability, agitation, muscle twitching, generalized clonic and tonic convulsions. Cardiovascular: palpitation, tachycardia, extrasystoles, flushing, hypotension, circulatory failure, and ventricular arrhythmias. Respiratory: tachypnea. Renal: albuminuria, gross and microscopic hematuria, diuresis. Other: hyperglycemia, inappropriate ADH syndrome.