A 9-year-old boy from Tennessee was taking theophylline for his asthma. On numerous occasions he received erythromycin without any ill effects. Then his theophylline dose was increased and he received erythromycin. This time he lapsed into a coma.
In a Maryland case, a young man was taking Tegretol and theophylline. After the pediatric neurologist noted that the man had not had any seizures for some time, he discontinued the Tegretol. The man developed nausea, vomiting and seizures (a