Drug dosing and mathematics.

Drug Drug dosing Measurement dosing is the administration of a particular amount of medication according to a specific schedule. There are two kinds of drugs: prescription drugs and nonprescription drugs (over-the-counter medicine). For prescription drugs, medical doctors normally prescribe the amount and time to take the medication. For over-the-counter drugs, information of drug dosing is usually recommended on the label of the medicine. Drug dosing is common in everyday life, but an error in drug dosing may claim lives or create serious medical burdens. According to a conservative estimate in 2006, drug errors injure more than 2 million Americans per year.