Could this be lactose intolerance?

Can a blood test be used to test for lactose intolerance when not combined with drinking a lactose solution? I've been having a lot of stomach trouble this year. After tests for infections, parasites, etc came back normal, my PCP took a blood sample...

I think my 4 year old daughter is developing an intolerance to lactose. She has been complaining of off-and-on pains in her stomach for the last month or so, and just this weekend threw up twice after drinking chocolate milk or eating nachos. I was wondering...

hey all, so I've been diagnosed with lactose intolerance. I've changed my diet dramatically, but I know there are still some foods I'm eating that I don't even know have lactose in them. First question,does mayonaise and ranch have milk ingredients ...

I'm trying to read up on Lactose intolerance but they keep changing the words they use to describe it and it's pretty confusing. I know that Lactose Intolerance == Lactase non-persistence, but then they start talking about Lactose Persistence/non-persistence...

My toddler is lactose intolerance, and won't drink any thing else? We just recently discovered that our 19 month old is lactose intolerance, and she won't drink any other forms of milk. We tried everything from soy, almond, rice, coconut, lactose free...

Hey I have a question about lactose intolerance. My grandfather "was" lactose intolerant but now he can drink a cup of milk everyday with no problems. I also have had a couple of friends who've said the same thing. They were lactose intolerant...

I'm looking primarily for dietary ingredients/herbs that could be included into a daily/weekly diet plan that would help combat the intolerance, but also would appreciate hearing about any supplemental product suggestions. The intolerance was the result...

So I thought that I've developed lactose intolerance because whenever I eat stuff like macaroni and cheese or anything else with dairy in it, I end up feeling really sick (bloated, gassy, nauseous, and difficulty breathing because of gas pressure). The...

I think Im all of a sudden developing lactose intolerance but im not sure. I never used to have this problem. Im 16 years old and ive been a cheese addict for 7 years. Ive been able to eat it fine until now. Now all of a sudden my body's having a very...