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warnings
Warnings LUFYLLIN 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.
Adverse Reactions To report SUSPECTED ADVERSE REACTIONS, contact Meda Pharmaceuticals Inc. at 1-800-526-3840 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . Adverse reactions with the use of LUFYLLIN have been infrequent, relatively mild, and rarely required reduction in dosage or withdrawal of therapy. 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, 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, ventricular arrhythmias. Respiratory: tachypnea. Renal: albuminuria, gross and microscopic hematuria, diuresis. Other: hyperglycemia, inappropriate ADH syndrome.