What does 'mg' signify in medical prescriptions?

In medical prescriptions, 'mg' represents milligram, which is a metric unit of mass equal to one-thousandth of a gram. This unit is commonly used in prescribing medications because it allows for precise dosing, especially for substances that are potent in small amounts. The milligram is a standard measurement in pharmacology, enabling healthcare providers to ensure accurate administration of drugs.

Understanding the significance of 'mg' is crucial in medication administration, as it directly impacts patient safety and effectiveness of treatment. By using milligrams, healthcare providers can avoid errors that might occur with less precise measurements, ensuring that patients receive the appropriate amount of medication tailored to their specific needs.