FAQs
What are the first signs of norovirus in adults?
Most adults notice sudden nausea and stomach cramps within 12‑48 hours after exposure, often followed quickly by vomiting or watery diarrhea.
How long do norovirus symptoms usually last for an adult?
Typical illness resolves in 1‑3 days, though some people may feel fatigue or occasional loose stools for up to a week.
When is an adult with norovirus no longer contagious?
You remain contagious from the start of symptoms until at least 48 hours after they completely stop; the virus can stay in stool for up to two weeks.
What home‑care steps help speed recovery from norovirus?
Frequent rehydration with oral rehydration solutions, a bland BRAT diet, ample rest, and avoiding dairy, caffeine, and alcohol are key supportive measures.
What red‑flag symptoms require medical attention?
Seek help if you develop severe dehydration, a fever above 38.5 °C (101.3 °F), blood in stool or vomit, or if symptoms persist longer than four days.
