upset stomach after drinking soda

I started getting this issue after colon cancer was diagnosed, stop drinking soda, get to your doctor.

You could have acid reflux.because I have the same problem

thanks,but no pain level was a 10 of 10, all those meds were taken and 2 tablets of 30mg oxycodone, did not stop the pain, I had to get ambulance, they drained my tummy, 8.5 litters ( about 2.5 gallons of water was removed) turned out my small and large colon was tangled to cause pressure.

I have this problem too and I have discovered from a friend of mine that use to manage a store that sells fountain sodas.... they are supposed to clean out the fountains out every single night... very few places do this... in witch causes people to have darihea.... best thing to do is avoid fountain soda at all costs this helps me

diet sodas contain aspartame which is a poison. causes headaches, nausea, etc.

"Although doctors prescribe colon cleansing as preparation for medical procedures such as colonoscopy, most don't recommend colon cleansing for detoxification. Their reasoning is simple: Your digestive system and bowel naturally eliminate waste material and bacteria — your body doesn't need colon cleansing to do this.

Proponents of colon cleansing, on the other hand, believe that toxins from your gastrointestinal tract can cause a variety of health problems, such as arthritis, allergies and asthma. They believe that colon cleansing — also called a colonic or a colonic irrigation — improves health by removing toxins, promoting healthy intestinal bacteria, boosting your energy and enhancing your immune system. However, there's little evidence that colon cleansing produces these effects.

In fact, colon cleansing can sometimes be harmful. Colon cleansing can cause side effects, such as cramping, bloating, nausea and vomiting. More serious concerns with colon cleansing are that it can:

Increase your risk of dehydration
Lead to bowel perforations
Increase the risk of infection
Cause changes in your electrolytes, which can be dangerous if you have kidney disease or other health problems
If you choose to try colon cleansing, take these precautions:

Check with your conventional medical providers first, especially if you take any medications or have any health problems.
Make sure your colon-cleansing practitioner uses disposable equipment that hasn't been previously used.
Get a list of specific herbal ingredients and amounts in any colon-cleansing products you use — some herbal supplements can cause health problems.
Stay well hydrated by drinking lots of fluids while undergoing colon cleansing to prevent dehydration."

taken from article on "colon cleansing" from mayo clinic

i only drink fountain sodas from my work and i clean the nozzles daily and i still get nauseous so i disagree. Im still trying to figure out what is causing it.

I had this problem for the longest time. After lots of tests my doctor told me that i actually am sensitive to a common trace toxin called bt toxin it's found in almost all refined products now and not labeled. when it's added with the acidity of sodas it effects the stomach much faster and it can happen in as little as 5 min. He advised I go on the master cleans every few months to detox from the bt toxin. It works

I experience the same problems with cramping and diarrhea but it's not from every fountain soda. I used to work at a fast food restaurant and could drink soda all day and not have a problem but if I went out to eat I'd have enough time to drive home before it would hit me, about 20 minutes after I finished eating. I was thinking it was the new style of carbonation machines and their individual settings that may be causing it so I did further research. I still get sick If I order lemonade so I thought it was the water or maybe something else. The restaurant I worked at cleaned the soda nozzles daily so maybe the mold theory has something to do with it. I've been able to combat it with pepto when I know in advance that I'm going to be drinking fountain soda especially from somewhere I've had the issue before. If I don't have that luxury, I either chance it or I go with a bottled soda.

I have the same problem. I have not had a soda for over a week and I just had one and to the bathroom I go.

For what it's worth, I have heard that fountain type sodas are mostly syrup and carbonated water--they are a great money maker as there is very little cost in the ingredients...a little syrup goes a long way. I always said as a "come on" if I ever owned a restaurant I would give away the soft drinks for free...it might be a lost leader but I have a feeling it would drawl extra business.

I have the exact same problem.  I have no problem with canned or bottled coke, but fountain cokes makes me sick with 15-20 minutes.  The more I drink, the worse the stomach issues. Went several months without fountain soda and then had one today....not good.  I don't drink diet sodas, so that is not the issue and it happens every time regardless of the restaurant or location (so nozel cleaning is also not the issue). I read that canned and fountain sodas are the same, but something is different.......  

It's a combo of your stomach acids, carbonation, high fructose corn syrup, and acids in soda. These create too high acid. Take a Prevacid and pepto at onset and it goes awAy

I know you wrote this a year ago, but I the same thing is happening to me but it's the most random of times, like the red juice from the fountain at Panera, the lemonade at Bw3s, and today a slushie thing from Speedway, it's got to be the red dye, or something, it's not carbonation, it doesn't happen at say, Olive Garden and their lemonade. I'm super confused, the only common denominator had got to be that specific dye, right?

I have the same issue with fountain drinks. I heard it could be due to them not cleaning the hoses or fountains properly and the bacteria causes the upset stomach