When persistent nausea or vomiting occurs along with another serious illness, immediate medical care is needed. Signs of serious illness include:

• Severe neck stiffness or pain.
• Confusion or extreme irritability.
• Extreme sleepiness.
• Severe sensitivity to light (photophobia).
• Unsteadiness that prevents standing or walking (ataxia or vertigo).
• New double vision, blurred vision, or blind spots.
• Very rapid, difficult breathing.
• Severe pain.
• New and different skin rash or bruises that appear without an injury.

Call your doctor right away if you are vomiting and have other signs of a serious illness.