Oxtriphylline

The following adverse reactions have been observed with choline theophyllinate, but there has not been enough systematic collection of data to support an estimate of their frequency. The most consistent adverse reactions are usually due to overdosage.

Adverse reactions reported with theophylline preparations include:

Gastrointestinal Tract Nausea, vomiting, upper abdominal discomfort, epigastric pain, anorexia, reactivation of peptic ulcers, abdominal cramps, diarrhea, intestinal bleeding, hematemesis. Central Nervous System Headache, nervousness, insomnia, dizziness, lightheadedness, excitement, irritability, restlessness, reflex hyperexcitability, muscle twitching, clonic and tonic generalized convulsions.

Cardiovascular System Palpitation, sinus tachycardia, increased pulse rate, peripheral vascular constriction and/or collapse, extrasystoles, flushing, hypotension, circulatory failure, ventricular arrhythmias. Urinary Tract Albuminuria, diuresis.