define potency of the drug

Potency of a drug refers to the strength or effectiveness of the drug in producing its desired effects. It is a measure of the amount of the drug needed to achieve a specific therapeutic response or desired effect. The potency of a drug can vary depending on factors such as the dosage, formulation, mode of administration, and individual patient factors. Generally, a more potent drug requires a smaller dose to produce the desired effect compared to a less potent drug.