Skip to content
My WebMD Sign In, Sign Up

Medical History and Physical Exam for Lactose Intolerance

Font Size

Topic Overview

Medical history

Asking questions about your medical history is an important part of diagnosing lactose intolerance. Your doctor may ask you about:

  • Your symptoms and when they occur. To help make a diagnosis, your doctor may ask you to keep track of what and when you eat and the type of symptoms you have.
  • Recent illnesses, long-term diseases, or surgeries involving your stomach or intestines.
  • Your family history of lactose intolerance.
  • Your ethnic background. Most people in the world become somewhat lactose-intolerant as adults. People who have a northern European heritage usually are the exception.

If you think your baby may have lactose intolerance, you may be asked if he or she:

Recommended Related to Digestive Disorders

Diarrhea and the Stomach Flu

Every year, millions of Americans come down with the "stomach flu," or viral gastroenteritis. It can cause diarrhea, vomiting, cramps, fever, and headache. It’s also highly contagious. What treatments will make life with the stomach flu a little less awful? More importantly, how can you avoid getting it in the first place? Here are some answers.

Read the Diarrhea and the Stomach Flu article > >

  • Has diarrhea often.
  • Seems hungry all the time.
  • Has gained little or no weight.
  • Seems irritable.

Physical exam

The physical exam for lactose intolerance includes examining your belly. You may also be asked to bring in a sample of your stool. The stool of a person who has lactose intolerance is usually loose or watery. It also can be foamy.

1

WebMD Medical Reference from Healthwise

Last Updated: July 19, 2011
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
Next Article:

Medical History and Physical Exam for Lactose Intolerance Topics

Hot Topics

WebMD Video: Now Playing

Click here to wach video: Dirty Truth About Hand Washing

Which sex is the worst about washing up? Why is it so important? We’ve got the dirty truth on how and when to wash your hands.

Click here to watch video: Dirty Truth About Hand Washing

Popular Slideshows & Tools on WebMD

feet
Solutions for 19 types.
highlighted areas of the brain
How well do you know yours?
oatmeal and eggs
The best and worst for you.
dog begging at table
Foods your dog should never eat.
MS Overview
Recognizing symptoms.
mature woman with serious expression
What do you know?
chlamydia
Pictures and facts.
Healthy Snack
13 delicious options.
Take your medication
Separate fact from fiction.
lone star tick
How to identify that bite.
young woman in sun
What to watch for.
woman clutching at stomach
Do you know what's causing yours?

Women's Health Newsletter

Find out what women really need.