Home > Patients & Visitors > Health Library > Water Purification to Prevent Giardia
The cold, clear water found in mountain streams and lakes may look
appealing but often contains Giardia lamblia, the
parasite that causes
giardiasis. On short hikes, you may be able to carry
from home enough water to drink. But when you are camping and backpacking, you
often need to use other water sources. Water from pumps in campgrounds is
usually safe, but if a sign tells you that the water is not safe or if you have
any doubts, treat the water before you use it.
To avoid infection with Giardia lamblia and
other parasites, use one of these purification methods:
ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineAdam Husney, MD - Family MedicineSpecialist Medical ReviewerW. David Colby IV, MSc, MD, FRCPC - Infectious Disease
Current as ofMay 24, 2016
Current as of:
May 24, 2016
E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.