The most common and most likely answer to this crossword clue is the 7 letter word CATARRH
I've seen this crossword clue in The Times
C
A
T
A
R
R
H
More clues leading to the result CATARRH
- Problem with cold vehicle needing to keep Jack hot
- Sailor in saloon, maybe, beginning to hope for discharge
- A short delay in Switzerland leads to complaint
- Gulf state picked up ENT problem
- Complaint from a bishop during awkward chat
- Country discussed problem with hooters
- Gulf state heard discharge complaint
- Regularly avoided coast’s air or she would get kind of cold
- A sailor runs into church, showing evidence of cold
- Sailor in vehicle’s hot and cold
Buddy explains!

The straight part
We know that "discharge" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case discharge = catarrh.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CATARRH mean?
CATARRH noun- Inflammation of the mucous membranes of the nose and throat.
- A discharge of fluid associated with this condition.