Norovirus infection - Symptoms & causes - Mayo Clinic
Apr 30, 2025 · Diarrhea, stomach pain and vomiting typically begin 12 to 48 hours after exposure. Norovirus infection symptoms usually last 1 to 3 days. Most people recover completely without …
Recognizing Norovirus: The Initial Symptom To Watch For
Jan 24, 2026 · The first sign of norovirus infection typically appears within 12 to 48 hours after exposure and is usually sudden onset of nausea or vomiting. This initial symptom is often followed by watery …
Norovirus symptoms: How to spot the signs and start your path ...
Dec 19, 2025 · When norovirus hits, it hits fast. The sudden nausea, vomiting and stomach cramps can feel overwhelming, especially if you’re not sure what’s causing them.
Norovirus: Symptoms, Causes & Treatment - Cleveland Clinic
Feb 3, 2023 · When norovirus enters your body, it’s present in your stool (poop) before you experience symptoms. It can also stay in your system for up to two weeks after your symptoms go away.
What Are The Earliest Symptoms of Norovirus?
Symptoms of norovirus typically appear within 12 to 48 hours after exposure to the virus. The early onset is often sudden, and symptoms can escalate rapidly, leaving affected individuals weak and unwell.
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About Norovirus | Norovirus | CDC
Apr 24, 2024 · If you have norovirus illness, you can feel extremely ill, and vomit or have diarrhea many times a day. This can lead to dehydration (loss of body fluids), especially in young children, older …
Norovirus: Signs and Symptoms - Health
Dec 14, 2025 · Signs and symptoms of norovirus include diarrhea, vomiting, and stomach pain. Most people recover within three days without treatment.