Crossword Genius

Some medicine making us drowsier, oddly (4)

Ross

I believe the answer is:

dose

'some medicine' is the definition.
(dose is a kind of medicine)

'drowsier oddly' is the wordplay.
'oddly' means one should take alternating letters (letters in the odd-numbered positions are used).
The alternating letters of 'drowsier' are 'DOSE'.

'making us' acts as a link.

(Other definitions for dose that I've seen before include "Helping of medicine" , "Give drugs to (a person)" , "Measure of medicine" , "Medicinal quantity" , "Measure (med.)" .)

I've seen this clue in The Guardian.
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