Pain with 4.25%

[Restorer]

I'm experiencing something weird, and I wonder if it's happened to anyone else and if they found out why. Usually I use two 2.5% 5-liter bags on my cycler each night, with 6 cycles at 1500 ml. Sometimes I need to increase the concentration to pull off more fluid, so I replace one bag with a 4.25% bag. Whenever I do that, starting on the third or fourth cycle, I begin having abdominal pain. It starts within 10 minutes of the beginning of the dwell (after the fill is complete), and lasts 15-20 minutes, then the pain fades away. Then I'm fine until the next dwell, when the pain starts over again.

I talked to my PD nurse, and he didn't have any ideas as to what could be causing that. He suggested I combine a 1.5% bag with a 4.25% bag to make a total concentration close to my usual 2.5%, to see if it was the total concentration that causes the pain, or if it's some problem inherent to the 4.25% bags, or a problem in mixing concentrations. I tried that last night, and had the same pain, though seemingly not so bad, during just one dwell (I think it was the fourth dwell).

Anyone have any ideas? I'm on the Newton cycler (hopefully not for too much longer).

[KICKSTART]

I used to get a pain , like stomach ache when i first started to use stronger bags , then after i had been using them for a while it went , i think its just the strength that does it.

[peleroja]

How odd, since the only difference between 2.5 and 4.25 is the amount of dextrose.  I occasionally use a 4.25 and never have any problem.  Like they say, though, every body is different!

[Restorer]

The strange thing is that I used to use 4.25% with no problem. When I was on manual, there was no problem using a 4.25% bag. After I switched to the cycler, I was using a 2.5% with a 4.25% for a few nights to pull off all my extra fluid, and there was no problem. Then I got peritonitis twice (actually the same bug as an earlier episode), and I didn't use a 4.25% until a few weeks later, and that's when I first noticed the pain.

But even weirder, it happened again last night, combining at 4.25% with a 1.5%, which totals to only 2.88% - and that's still enough to cause pain. Yet 2.5% is perfectly fine.

[KICKSTART]

Wind ? 

[Pstar]

ive had that before and i asked my doctor what would cause she said its just some ppl's bodys can handle it others cant mine usually went away in a day though