I am a bit worried about this drug. The active medication is theophylline which according to the link below, suggests it causes convulsions.
Convulsive effect of theophylline in conscious and anaesthetized guinea-pigs. - PubMed - NCBI
Thanks for the link - I won't pretend that I understand it all, having read it a couple of times. What I think it's saying is that a dosage of 250mg/kg can cause convulsions - is that right?