question: A 25 year old asthmatic patient on theophylline is given ciprofloxacin by his dentist. He developed dyspnea and palpitations. Probable cause is:
opa: Ciproﬂoxacin reduces plasma protein binding of theophylline
opb: Ciproﬂoxacin inhibits metabolism of theophylline
opc: Ciproﬂoxacin increases metabolism of theophylline
opd: Ciproﬂoxacin displaces receptor binding of theophylline