Sounds like my respiratory problem leads to a bad atmosphere, in a literary sense (6)
I believe the answer is:
miasma
'atmosphere in a literary sense' is the definition.
'miasma' can be an answer for 'atmosphere' (miasma is a kind of atmosphere). I am not certain of the 'in a literary sense' bit.
'sounds like my respiratory problem leads to a bad' is the wordplay.
I cannot really see how this works, but
'like' could be 'as' and 'as' is located in the answer.
'a' is present in the answer.
The remaining letters 'mim' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for miasma that I've seen before include "Unwholesome atmosphere, unhealthy vapors" , "Noxious atmosphere" , "Accomplished" , "Effluvium" , "Oppressive atmosphere" .)