The most common and most likely answer to this crossword clue is the 6 letter word SEPSIS
S
E
P
S
I
S
More clues leading to the result SEPSIS
- Rotting snake found on island
- Mum’s new partner’s daughter taking temperature – it’s an infection
- Record kept aboard ship — one’s showing presence of deadly bacteria
- Spies awful southern corruption
- Sibling backs procedure to remove bone for medical condition
- Toxic condition of an Oriental with second thoughts on one employed by the Secret Service
- Snake is showing evidence of harmful bacteria
- Nurse only half pens records for medical problem
Buddy explains!

The straight part
We know that "Toxic condition" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case toxic condition = sepsis.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 SEPSIS mean?
SEPSIS noun- A serious medical condition in which the whole body is inflamed, causing injury to its own tissues and organs as a response to infection.