Study Campus life About us Research Alumni & giving News & opinion / / / / / News_ Explainer: how do drugs work? 29 April 2016 For something that seems so incredible, drug mechanics are wonderfully simple.  Share Whether a drug is prescribed by the doctor, bought over the counter or obtained illegally, we mostly take their mechanism of action for granted and trust they will do what they’re supposed to. But how does the ibuprofen pill turn off your headache? And what does the antidepressant do to help balance your brain chemistry? For something that seems so incredible, drug mechanics are wonderfully simple. It’s mostly about receptors and the molecules that activate them. Receptors Receptors are large protein molecules embedded in the cell wall, or membrane. They receive (hence “receptors”
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