Question

The 5 most common signs of serious illness are:

Answer 1

Symptoms of a serious illness include:
Severe neck stiffness or pain.
Confusion or extreme irritability.
Extreme sleepiness.
Persistent nausea or vomiting.
Severe sensitivity to light (photophobia).
Unsteadiness that prevents standing or walking (ataxia or vertigo).
New double vision, blurred vision, or blind spots.

Answer 2

Severe neck stiffness or pain.

Confusion or extreme irritability.

Extreme sleepiness.

Persistent nausea or vomiting.

Severe sensitivity to light (photophobia).

Step-by-step explanation: