GI IMPACT Study

The Diarrhea Study

Astrovirus - Information for Patients


What kind of infection is it?

Astrovirus is a virus.

How do people get infected?

  1. Astrovirus infection is more common in babies under 1 year old and young children under 5 years old.
  2. The virus is spread person to person by contact with stool (poop) from an infected person.
  3. Poor hand washing after using the bathroom.
  4. Outbreaks in day care centers.

What are the usual symptoms?

  1. Illness usually starts 1-5 days after exposure.
  2. Vomiting, watery diarrhea, stomach pain or cramps, and occassionally fever.

How long does it last?

  1. Usually 2-3 days.

How is it treated?

  1. Prevent dehydration by drinking fluids. Sometimes anti-nausea medicines or IV fluids may be necessary if you or your child cannot keep down any fluids. Warning signs of dehydration include a dry mouth, decreased urination, or dizziness.
  2. Because this is a viral infeciton, antibiotics do not help and may make the diarrhea worse.

Are there possible complications?

  1. Dehydration is the major complication.

Comments:

  1. Wash hands carefully with soap and water after going to the bathroom or changing diapers, or cleaning up vomit or stool.
  2. Clean contaminated surfaces with disinfectant or bleach solution (5-25 tablespoons of household bleach per gallon of water).
  3. People with diarrhea should not prepare food.

Resources:

  1. CDC handout for norovirus, which is very similar to astrovirus