I know this is an old question but I want to reply anyway. When my Crohns was most active back in 1998 I gained almost 50 pounds while having diarrhea at least 15 or more times a day. It's why incompetent doctors told me I was too fat to have anything wrong with me and never did a colonoscopy. Finally a doctor helped me and found out I had Crohn's, and once on medication and getting it stable, I lost the 50 pounds without doing anything different. At that time, my doctor said "Of course you can be overweight and have Crohn's, it screws up your metabolism". He said his worst patient (with the worst case of Crohns) tipped the scales at over 350lbs.
I have always been heavier than others in my family and i'm guessing due to my Crohn's, but now that I hit menopause, I just gained 20 pounds in the last 6 months, no matter what I eat or what I do. So if anyone tell's you it must be your diet, try to ignore them, they are ignorant about how this affects us.
We all know if we are eating too much junk food or snacks, we are not little children or in denial. But I already can't eat dairy, plus I have cut back to only occasional rice or potatoes (which help keep my Crohn's in check) and of course we can't eat too many or too often, fruits and vegetables with Crohn's (although I have a small amount everyday), I don't eat much meat because I try to be vegetarian when I can but still get my protein, I can't eat soy products, I can't eat any type of beans except green beans, and I never have soft drinks, and I don't keep candy or snacks in the house, so cut me some frekin slack. I also eat protein bars for breakfast and many times for lunch. Over the last two months I even started making local banana smoothies to replace many meals. (Rice milk, bananas, vanilla extraxt, and ice cubes) The result is that I have gained 6 pounds!!!!
So I am very, very tired of being told I need to see a nutritionist or count calories or keep a food journal. I already do not eat on average more than 1500 calories a day and generally not close to that, so I really need to be left alone and not be told by my doctor that I am "Obese"! The most insulting thing was that he started off by saying "Wow, all your tests results are fabulous, your Crohn's is in remission, your liver, kidneys, blood pressure, cholesterol, all your blood levels are fabulous, but you know you're fat, right?"...I am not round for crying out loud! I am almost 5'10" and weigh 215, and I am not thin framed either. I only wear a size 16. When I first started going to him 9 years ago I wore a size 14/16 and he never called me fat, so it's not like I gained 100 pounds.
He may be my doctor (different doctor, different state than before) but the fact that he doesn't have Crohn's, means he has no real idea how this affects our bodies! If I go to a nutritionist and don't lose weight they will say I didn't follow their advice, if I write a food journal and prove I don't get that many calories a day, they are just going to say I lied or forgot to write down things....It's very frustrating to have to tack one more stupid thing on to this disease.