1 doctor weighed in:

What is the difference between efficacy and potency of a drug or is it same?

1 doctor weighed in
Dr. Alan Ali
Psychiatry

In brief: Drug efficacy

Efficacy is the ability to produce a desired effect.
Potency is the amount required to produce an effect. Both are used interchangeably in medicine, as well as affinity.

In brief: Drug efficacy

Efficacy is the ability to produce a desired effect.
Potency is the amount required to produce an effect. Both are used interchangeably in medicine, as well as affinity.
Dr. Alan Ali
Dr. Alan Ali
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