Adverse Drug Reactions Classifcations

Classification based on frequency :


a)Very common
 > 1/10 ( > 10%)
b)Common (frequent)
 > 1/100 and < 1/10 ( > 1% and < 10%)
c)Uncommon (infrequent)
 > 1/1,000 and < 1/100 ( > 0.1% and < 1 %)
d)Rare
 > 1/10,000 and < 1,000 ( > 0.01% and < 0.1%)
e)Very rare
 < 1/10,000 (< 0.01%)