8.12.2016

Dose or dosage?

Dose - 5mg ( This 5mg is called dose) 
Dosage - 5mg b.i.d or BD ( this BD or b.i.d. is dosage i.e., no. of times the drug is to be taken)
Medical definition: 
Dose: The amount of medicine to be administered at one time.
Dosage: quantity per unit of time ( regimen).