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As Val said, it is one of those things you won't know until after you have surgery and it can happen with any of the bariatric surgeries. I am 2 yrs out and have never been lactose intolerant. I was able to drink milk, right after surgery with no problem. If you do become lactose intolerant, you can drink Lactaid milk and use Lactaid pills to help you have things that are dairy or have lactose in it. I purchased Lactaid pills prior to having surgery, since I read from a number of people that have become lactose intolerant. It was a waste buying it, since I did not experience any lactose intolerance issues since having my DS.
BMI = 23.7 3+ yrs post-op
stomach = 3.5 oz, common channel = 125 cm

I'm not gay (happily married) but I can't stop staring at your bewbies in the avatar!! 
I think I'm tit-ma-tized!

I think I'm tit-ma-tized!
~Shani~
I've been pudgy, chubby, thick, and now fat........Imma give thin a go round!!!
SW-262, size 18W, 5'6"
CW-168 1/15/2010
GW-162
94 Lbs down...6 more to go...changed goal to see Onderland for a hot second!
Oh, lactose intolerance...
I was slightly lactose intolerant before surgery but could tolerate skim, 2% and even evaporated milk and now I am totally lactose intolerant, except for firm/hard cheese. immediately post op I could tolerate yogurt and cottage cheese but not so much now. I even made some tikka masala chicken and the sauce calls for cream/milk and it made me sick. I now only drink or use a lactose free milk. Iam also not able to eat or even taste anything made of pasta. I tried some lasagne, big mistake, just like regular milk.
Today I went into the grocery store and I found myself staring at the cartons of Eggnog. I want some so bad but I am soooo scared to try it.
Just start out very slowly trying foods and drinks.
ThaFatChick
I was slightly lactose intolerant before surgery but could tolerate skim, 2% and even evaporated milk and now I am totally lactose intolerant, except for firm/hard cheese. immediately post op I could tolerate yogurt and cottage cheese but not so much now. I even made some tikka masala chicken and the sauce calls for cream/milk and it made me sick. I now only drink or use a lactose free milk. Iam also not able to eat or even taste anything made of pasta. I tried some lasagne, big mistake, just like regular milk.
Today I went into the grocery store and I found myself staring at the cartons of Eggnog. I want some so bad but I am soooo scared to try it.
Just start out very slowly trying foods and drinks.
ThaFatChick
Wait, you already had surgery? I thought you were still researching? Or did I miss a post about it?
~Shani~
I've been pudgy, chubby, thick, and now fat........Imma give thin a go round!!!
SW-262, size 18W, 5'6"
CW-168 1/15/2010
GW-162
94 Lbs down...6 more to go...changed goal to see Onderland for a hot second!
I wasn't lactose intolerant before surgery. Right after surgery I took precaution and just chewed the lactaid pills before I had milk or half & half in my protein shakes. When the box of lactaid was gone I tried my shakes and all other dairy without the pills and I was fine. Not everyone has the intolerance.
Renee
I

SW/263 CW/136 GW/150