I had my surgery may 15th... Has anyone dealt with getting faint everytime they stand up? I start to lose my sight and have to sit back down. What causes this?

Dehydration and low potassium....in my opinion be good to get hydration up maybe drink some Gatorade right away see how you feel.

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Oh and blood pressure, if you are taking meds may need to get re-evaluated?

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G-2 is the lower calorie Gatorade and my internist loves it,

Ok thank you! I'm going to drink some gatorade. I have had low potassium on my blood work but this was before surgery. Thanks so much for the advice!

Welcome Less, hope you can get to the bottom of it and feel better!

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Thanks ladies- I'm having this issue off and on also - I drink G2 off and on the same- I should probably drink one a day- I never get enough liquids in- or protien for that matter

Thanks for the post. I've been suffering from this now 10 weeks out.

I seriosuly doubt mine is cause by dehydration. I do make an extra effort to ensure its not dehydration, but the problem is persistent.

I can't get sugarfree gatorade here in singapore. no isotonic drink is sugar free here.. so yea, i just drink Water.. lots of it...

However, I am still on my high blood pressure medication. I suspect it could be that too.. I took my blood pressure once when i felt like i was going to pass out, it read 110/60. according to my GP, because I had an angioplasty done 5 years back, they are very aggressive in keeping my blood pressure low, and this reading is fine according to them... strange tho, i thought this reading is rather low..

Oh I recently realise, it is worse after standing up from a meal.

Does this happen to anyone?

I've had this same problem for months. I would stand up and a few seconds later, my vision would blur slightly and there would be dark edges all around my periphery. I would also stumble into things and have to hold on to the counter or a wall.

I went to two different doctors and one couldn't find out anything wrong, except that my blood pressure drops when I stand up. Since this has never happened before, the other doctor suspects it's because of the all of the changes and weight loss that my body just isn't used to.

I agree about the potassium thing, as well as Iron. I feel better and it happens less when I take a multi-Vitamin.

I also passed out very often I'm 1 year post op 98 lbs down and about 5 Months ago i started having episodes were i would get up and feel dizzy and have to sit right back down. I had high Bp before surgery when I went back to the dr about this he said it was postural orthostatics due to rapid weight loss.

So good to know. I'm about 8 months out, from 242lbs to 141 lbs as of this morning. I'm 5'6. For the past month or so I've been having increasingly more annoying dizzy spells, always in the evening and always after standing up. I haven't actually passed out yet, but I sure feel like I might, last night was the worst.

I've started taking my Multivitamins again, and my Iron supplements, tho not as consistently as I should. And I'm trying to eat more Protein, drink more Water. I'm starting to feel nervous about the situation.

I have an appointment with my new pcp at the end of the month, hoping he'll tell me i'm fine.

I just met with my surgeon's office yesterday for my 6 month check up and brought up my lightheaded and almost fainting spells. She talked mostly about blood pressure and blood sugar levels. She said to make sure and eat three full meals, a small snack if needed and to get in my fluids.

I experience this mostly when I do yard work, or am in a situation where I'm bent over and have to turn and move quickly (working in the kitchen and sometimes when I stand up after sitting a while). I tend to run slightly anemic as well. She seemed not to worry unless I started really fainting and hurting myself.

3 weeks out and feel this way often. I attribute it to the fact I am getting very very little calories in still.... If I do too much (like on Sunday when I was outside for most the day in 100 degree heat) - I can wipe myself out for a day or so. I just keep pushing fluids and forcing myself to eat what I can....