Pharmacology is the study of how drugs from various sources work inside the body for their intended purpose.
Pharmaceutics is the study of how drugs are introduced into the body.
Medications are grouped by major drug classes according to their mechanism of action. Drugs that work in the same way are put into a particular class and usually given names with a common stem.
Legend or prescription drugs are only available by prescription and are dispensed from the pharmacy upon receipt of a valid prescription from a prescriber.
Over-the-counter (OTC) - are medications that can be purchased without a prescription.
Controlled substances are medications that have been categorized by the Drug Enforcement Agency (DEA) to have the potential for abuse and dependence.
crucial to ensuring good patient care. The 5 "R's" of medication error prevention are:
Right Drug
Right Strength
Right Route
Right Time
Right Patient
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