Which diet should be followed for recovery from norovirus?

Question

Hello doctor,

I became very ill after a cruise, and they told me I contracted norovirus antiviral). However, the symptoms lasted much longer than just a day or two. Is it normal for symptoms to persist for weeks, or does this suggest another issue? Could norovirus trigger irritable bowel syndrome (IBS) or another post-viral condition?

Also, is there anything more effective than just hydration for treating or preventing norovirus? Should I consider being tested again to determine if it is something else, such as a bacterial infection? I have never been this sick from food before.

How long can norovirus stay in your system?

Kindly guide.

Answer 1

Hello,

Welcome to icliniq.com.

I have read your query and can understand your concern.

There is no specific cure for norovirus (antiviral – though supportive care is the primary approach). Treatment for the infection focuses on relieving symptoms, which usually resolve within one to three days. I suggest you drink plenty of fluids, especially those containing electrolytes.

Symptoms typically begin 12 to 48 hours after your initial exposure to norovirus and usually last for one to three days. However, you may continue to shed the virus in your stool for several weeks after recovery. In individuals with underlying medical conditions, this viral shedding can persist for weeks to months.

In cases of chronic norovirus infection, patients primarily suffer from persistent diarrhea. The infection can damage the intestinal lining, reducing the surface area available for nutrient absorption. As a result, individuals may experience weight loss and deficiencies in essential vitamins and minerals.

Even after the acute phase of the illness has passed, you may continue to feel dehydrated or experience ongoing gastrointestinal issues due to a disrupted gut microbiome (loss of beneficial bacteria). The probable cause can be norovirus gastroenteritis.

I suggest the following supportive care tips:

Sip fluids slowly and frequently throughout the day.
Once you are able to eat again, begin with small portions of bland foods.
The BRAT diet: Bananas, rice, applesauce, and toast are often recommended as these foods are gentle on the digestive system and help firm up stools.
Oral rehydration therapy using electrolyte solutions such as oral rehydration salts (ORS) (fluid and electrolyte replenisher).

I hope this helps.

Thank you.