“…It was similar to the study conducted by Patel et al, 2011, Riechelmann et al, 2007, Riechelmann et al, 2008, Dinesh et al, 2007 Of the pDDIs (n=390) observed, majority were of pharmacodynamic (n=202, 51.80%) in nature followed by pharmacokinetic (n=188, 48.20%). These findings were contrast to the study reported by Vonbach et al, 2008 andAparasu et al, 2007. Most frequent DDI was seen between Metformin + Ranitidine (moderate interaction) in 70 prescriptions (50%) and between Ranitidine + Acetaminophen (minor interaction) in 48 prescriptions (34.29%). The common major interactions were seen between Rabeprazole + Clopidogrel in 4 prescriptions (2.86%), Enalapril + Spironolactone and Ciprofloxacin + Tramadol in 3 prescriptions (2.14%).…”