Should people with kidney problems drink coffee?

Question

My flatmate has a kidney disease and his only source of fluids are numerous cups of coffee. He doesnt' believe me when I tell him coffee is a diuretic.

Answer 1

COFFEE AND KIDNEY FUNCTION

The effects of coffee or caffeine consumption on several aspects of kidney function have been studied including diuresis, detrusor instability and kidney stones.

Increased urine output over a 24 hour period was observed with high coffee intake (aprroximately 6 cups equating to 642mg caffeine) though such effects have not been confirmed at levels below 300mg (1).

Athletes and physically active people are often recommended to abstain from consuming caffeinated beverages. It is assumed that caffeine, which is a mild diuretic, will exaggerate the dehydration and electrolyte loss caused by exercise and lead to impaired athletic performance or health although no scientific evidence is offered in support of this assumption. Nine studies, which have looked at the effects of caffeine consumption on the volume of urine, have recently been reviewed (2). The author wrote in his abstract that “The scientific literature suggests that athletes and recreational enthusiasts will not incur detrimental fluid-electrolyte imbalances if they consume caffeinated beverages in moderation and eat a typical U.S. diet”.

Two of these nine studies are particularly informative. The first study was one to collect urine over a 24-hour period (3). It was found that there were no significant differences in the volume of urine produced in response to water, 114 mg caffeine or 253 mg caffeine. The second study was the only one to measure urine production during exercise (4). It was observed that a single dose of 8.7 mg caffeine per kg body weight led to a significant increase in urine production vs. placebo at rest but a non-significant reduction in urine production by comparison with placebo both at rest and during cycling exercise.

A recently published large cross sectional study of 27,936 Norwegian women found that coffee consumption was not significantly associated with urinary incontinence (5). This confirms the results of three earlier but smaller studies (6,7,8). Patients with symptoms of urgency and frequency due to detrusor muscle instability often complain that their symptoms are exacerbated by drinking coffee or tea. It has been shown that a single dose of 200 mg caffeine significantly increased detrusor pressure in 20 women with confirmed detrusor instability but not in 10 asymptomatic women (9). Although a study of 41 elderly women found that a decrease in the amount of caffeine consumed was associated with fewer episodes of involuntary urine loss, this association was not significant (10). In a case control study of 131 women with detrusor instability and 128 controls, caffeine intake was significantly higher in cases than in controls (11). Cohort studies and intervention trials are required to confirm these results.

A high fluid intake is the oldest existing treatment for kidney stones. However, recent research suggests that the composition of the fluid may also exert a beneficial influence. An early case control study was the first to show an inverse association between coffee consumption and a history of kidney stones (12). In a subsequent cohort study of 45,289 men in the USA, 753 new cases of kidney stones were diagnosed and the risk of developing a stone fell by 10% in response to 240 ml/day of caffeinated or decaffeinated coffee (13). In a cohort study of 81,093 women in the USA, 719 new cases of kidney stones were identified and the risk of developing a stone fell by 10% in response to 240 ml caffeinated and 9% in response to 240 ml decaffeinated coffee (14). The available evidence consistently demonstrates that coffee consumption lowers the risk of developing a kidney stone.

Answer 2

1

Answer 3

2

Answer 4

Coffee And Kidney Stones

Answer 5

3

Answer 6

A cup or two day is normal. Coffee is like a mild laxative, it keeps things moving and has some benefits, but always drink plenty of water daily. A glass of water an hour before bed will help flush your kidneys so all the unhealthy stuff is not on your kidneys and liver all night long. I recommend it a lot and specially to alcohol users.

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Answer 7

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Answer 8

Treatment Reverse Chronic Kidney Problems : http://Kidney.NaturallyGo.com

Answer 9

My Doctor Told Me the depressing news - "Your Kidneys Are FAILING!"

My worsening kidney disease symptoms included:
- Nausea and vomiting and constant stomach upset
- Passing only small amounts of urine and stopping and starting while urinating
- Swelling in my ankles and lower legs
- Puffiness around my eyes with brain fog and moodiness
- Chronic fatigue and shortness of breath when exerting myself
- Loss of appetite and not wanting to eat at all
- Increasingly higher blood pressure
- Bouts of anxiety and depression
- Muscle cramps which were worse in my legs

That a friend of mine sent me a link to a website (http://NatureHomeCure.com) that helped his Mother. She was just like me, and was suffering with failing kidneys and experienced the same worries and fears I was going through. All I could do was try it and see if it worked.

Here's where the story gets a little strange. Two months later, Instead of my kidneys sliding down the slippery slope of kidney failure and getting progressively worse, they started to get better.

My Doctor could not believe how much improved my kidney function output had increased and my GFR was UP and creatinine levels lower. My kidneys were starting to work again, and removing all the toxins in my body. I got my life back!

Now, I am using this 100% all natural protocol which restored my kidney function and did it naturally, without the use of unnatural man-made pharmaceutical drugs or dialysis. In less than two months my kidneys were on the mend. Now six months later, My kidney's are back to normal again.

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Answer 10

No he should not be drinking so much coffee- 1 or 2 cups a day is ok, but no more. While water is the best option along with cranberry juice (fresh not concentrate or cocktail)- coffee is ok but only 1 or 2 a day. It should not be his only source of fluids.

Answer 11

I couldn't just sit around and do nothing like my doctors suggested.

They didn't want me to do anything or to take herbs or herbal remedies, but I had to try something - they just wanted me to do dialysis!

This program allowed me to take control of my health. I went from Stage 4 to Stage 3 kidney disease.

It was easy to do and my BUN, creatinine and anemia are all in better ranges.

Reversing Your Kidney Disease?