Final answer:
An acute condition is a sudden onset or worsening of a condition.
Step-by-step explanation:
A condition that is of sudden onset or that suddenly becomes much worse is considered an acute condition.
Acute conditions typically develop rapidly and have severe symptoms. They can range from minor illnesses like the common cold to more serious conditions like a heart attack.
For example, anaphylaxis is an acute reaction to allergens that can lead to life-threatening symptoms.