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Is Tea Ok For Kidney Stones

How Long Does It Take To Pass A Kidney Stone

Is it safe to drink tea with kidney stones?

Depending on the size, type, location, and cause of your kidney stone, your doctor may recommend waiting for the ureteral stone to be expelled naturally, without medical or surgical intervention, for four to six weeks.

After this time, your treatment plan may need to be re-evaluated and determine whether you can safely continue with the observation or whether an intervention should be performed.

Waiting for the kidney stone to be expelled without intervention is safe, as long as you can tolerate pain, show no signs of infection and the calculation is reasonably small, enough to spontaneously expel yourself.

Can You Still Drink Tea If You Dont Want Kidney Stones

Taking tea will likely not harm you as long as you do so in moderation. If you go for highly fermented teas such as black teas, your oxalate consumption will increase. And that means you should stick to two or fewer cups each day.

For lighter teas, you can drink as many as five without much of a problem. As long as you are moderate in your drinks, you should be fine. Studies even suggest that taking tea daily can significantly reduce your kidney stone risks.

As you do this, you should also consider other factors such as your diet, water intake, weight, family history, and underlying medical conditions. Remember that kidney stones result from not one but a combination of factors.

Benefits Of Stinging Nettle

Nettle has been also used as a diuretic to remove excess water from the body and to treat urinary tract infection. It is also used to flush bacteria out of the kidney and the urinary tract. Nettle is anti-inflammatory and also high in oxidants.

Make a routineto drink nettle tea, and also drink an extra glass of water along with thenettle tea as it will help the kidney to flush out all the waste and excesswater. However, nettle tea is notrecommended for pregnant women because due to its allergic reaction it mayincrease the risk of miscarriage.

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Before We Start: Defining Some Basic Kidney Terms

Your kidneys are truly amazing. A healthy set of kidneys filters about ½ cup of blood every minute! They remove excess water and wastes from the blood .

Kidney infections occur when bacteria from the gut travel through the bladder and up to the kidneys . These are usually treated with antibiotics, and if you talk to your doctor, you may be able to add herbs to your treatment regimen to help ease pain and other symptoms.

Kidney stones are made up of crystal-forming substances, such as uric acid, calcium, oxalate, or cysteine. High levels of these in the urine and too little fluid to dilute them can cause stones . Drinking more fluids, changing the diet, and sometimes medication are used as preventative approaches .

Kidney disease or failure involves the loss of kidney function. Some causes include:

Now, lets find out how your favorite beverages might play into all this.

Black Tea And Kidney Stones

Is Coffee Ok For Kidney Stones

Black tea has the highest content of oxalates compared to other types of teas. It is around 6mg per 1 g of black tea.

When we drink black tea, oxalates in it go to our digestive tract. These oxalates can bind with calcium and will be excreted from our body with stool or urine.

But if we drink too much black tea like a gallon, then there will be many oxalates that can make calcium oxalates, and high black tea consumption will increase calcium oxalate concentration in urine. This will cause kidney stones.

Taking around 1500 mg of oxalates per day might cause kidney stones. But an average person like ourselves only consumes around 150 500 mg each day, and it is safe.

Drinking more than 4 5 cups of black tea is generally not safe. The safe limit to avoid kidney stones and other side effects related to caffeine is 4, 5, or fewer black teacups per day.

When we drink too much black tea, it can increase the oxalate levels in urine, promoting kidney stones.

In one case in 2014, a man who drank 1 gallon of black tea every day developed kidney failure due to a high concentration of oxalates in urine.

However, drinking black tea in moderation will help you, while drinking too much will harm you.

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How Much Oxalate Is In Iced Tea

In the United States, the average intake of oxalate per day ranges from about 150 to 500 milligrams, the researchers wrote. Thats higher than the recommended intake, which is under 40 or 50 mg per day, they noted. Black tea has about 50 to 100 mg for every 100 milliliters , the researchers said.

Regarding this, is iced tea high in oxalate?

Iced tea contains high concentrations of oxalate, one of the key chemicals that lead to the formation of kidney stones. This is the peak season for drinking iced tea, but a Loyola University Medical Center urologist is warning the popular drink can contribute to painful kidney stones.

Furthermore, how much iced tea causes kidney stones? Even though hot tea also contains oxalate, Milner said that it is difficult to drink sufficient amounts to cause kidney stones and figures from the Tea Association of the USA reveal that around 85% of tea consumed in the United States is iced. Expect in-depth, science-backed toplines of our best stories every day.

Hereof, does iced tea cause kidney stones?

Iced Tea May Cause Kidney Stones. Summer is high season for drinking iced tea. However, a John Miller, Loyla University Medical Center urologist warns that iced tea can contribute to painful kidney stones because of its high concentration of oxalate, one of the key chemicals that lead to the formation of kidney stones.

Which teas are high in oxalates?

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What Are The Causes Of Kidney Stones

There are many reasons for kidney stones, such as diet, being overweight or obese, some supplements, medications, and medical conditions.

Diet is a primary reason for kidney stones. Following are some dietary factors that can affect your kidneys

  • Drinking less amount of water
  • Following a diet high in protein, sugar, sodium
  • Eating foods that can increase oxalate, cystine, uric acid, or calcium content
  • Taking medicines such as diuretics and calcium-based antacids can also cause kidney stones

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The Relationship Between Oxalate And Kidney Stones

Unless youre already aware of oxalate, you may be surprised to learn that many leafy greens and plant foods contain high levels of an antinutrient thats linked to higher risk of kidney stones.

Oxalic acid or oxalate is a naturally-occurring compound in plants that interferes with the absorption of calcium.

The main concern with diets high in oxalate is the formation of kidney stones.

For example, research has shown that some vegetarians and vegans who eat lots of plant foods consume more oxalate, and thus may be more likely to get kidney stones.

Kidney stones are small, hard deposits of minerals that form in your kidney and pass through your urinary tract. The most common symptoms are waves of severe pain and nausea, usually in the side of the abdomen.

Some people seem to be more sensitive to dietary oxalate than others. As a result, doctors sometimes recommend a low oxalate diet to prevent the recurrence of kidney stones.

Latest Prevention & Wellness News

Does matcha green tea cause kidney stones? / Kidney Stone Diet Podcast with Jill Harris

Reviewed By Louise Chang, MD

Nov. 20, 2009 Drinking green tea may help prevent painful kidney stones.A new study shows compounds in green tea extract make it more difficult forcertain kidney stones to form.

Kidney stones affect about 5% of the worlds population. They occur whenabnormally high concentrations of minerals, such as calcium, accumulate in theurinary tract and clump together to form crystals and potentially painfulstones.

Most kidney stones contain calcium, and the most common stone type iscalcium oxalate. Chinese researchers found that green tea extract bonds tocalcium oxalate and makes the resulting crystals a different shape, which makesthem less likely to clump together and form large kidney stones.

The smaller crystals and stones are then passed harmlessly through theurine.

In the study, published in CrystEngComm, Xudong Li of SichuanUniversity in Chengdu, China, and colleagues examined the effects of green teaconcentrate on calcium oxalate crystallization using a variety of advancedscanning and imaging techniques.

The results showed that as the amount of green tea extract appliedincreased, the calcium oxalate crystals became flatter and flatter.

Researchers say flatter crystals form less stable kidney stones that breakup more easily.

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Don’t Underestimate Your Sweat

Saunas, hot yoga and heavy exercise may be good for your health, but they also may lead to kidney stones. Why? Loss of water through sweating – whether due to these activities or just the heat of summerleads to less urine production. The more you sweat, the less you urinate, which allows for stone-causing minerals to settle and bond in the kidneys and urinary tract.

One of the best measures you can take to avoid kidney stones is to drink plenty of water, leading you to urinate a lot. So, be sure to keep well hydrated, especially when engaging in exercise or activities that cause a lot of sweating.

Teas That Are Good For You

1. Azul Tea

Azul tea is one of the best teas to drink, especially if you are prone to kidney stones. Its a great alternative to your typical herbal teas. And, its a natural diuretic so it increases the production of urine.

Increasing your bodys urination may help flush out your kidneys and keep them healthy.

Also, Azul tea may help prevent calcium oxalate stones from forming. This is due to the isoflavones found in the Palo Azul plant. It is another preventive perk, even if you dont have kidney stones.

Additionally, Azul tea naturally modulates urine acid levels. So, it may help with urinary tract sediments and other kidney stone issues. This could make the oxalate acid dissolve into the urine and pass from the body, instead of forming painful deposits.

In contrast, Azul tea has other health benefits as well, like strengthening and maintaining joint health. It may also help detox your body prior to a drug test. Its natural body bolstering and cleansing properties make Azul Tea a highly recommended tea to keep in your kitchen.

2. Green Tea

Green tea is generally a good choice for tea lovers. Aside from its low oxalate content, it may also help your body prevent kidney stones from forming, too.

Calcium oxalate containing stones are one of the most common types of kidney stones. And, its the biggest culprit when you consume too many calcium-rich foods. But, there is an extract in green tea that may help with that.

3. Goldenrod Tea

4. Citrus Tea

5. Dandelion Tea

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What Is The Most Important Factor To Prevent Kidney Stone Formation

One of the best things you can do to avoid kidney stones is to drink plenty of water every day. This will help make sure that you urinate frequently to avoid any build up of calcium or uric acid.

Don’t underestimate your sweat! Saunas, hot yoga and heavy exercise may sound good for your health, but they also may lead to kidney stones. Why? Loss of water through sweating whether due to these activities or just the heat of summer may lead to less urine production. The more you sweat, the less you will urinate, which allows stone-causing minerals to settle and deposit in the kidneys and urinary tract.

Hydrate with water. Be sure to keep well hydrated, especially when doing exercise or activities that cause a lot of sweating. You should drink 2-3 quarts of liquid or 8-12 cups per day to produce a good amount of urine. Speak with a healthcare professional about the right amount of water that’s best for you. Try to avoid sodas , sweetened iced tea and grapefruit juice.

Is Matcha Tea Good For The Kidneys


Matcha is the tea made out of the finely powdered green tea leaves and has plenty of health benefits. It is said that green tea concoctions are beneficial for the kidneys.

As per a study carried out on diabetes patients, it has been found that upon consuming matcha tea kidney damage can be prevented. That sounds like one good reason to add the tea to your diet!

In conclusion, it can be easily said that green tea is healthy and is good for the kidneys. You need to consume it in moderation as a part of a healthy lifestyle to enjoy all its benefits.

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Which Type Of Tea Causes Kidney Stones

Now, after knowing that green tea prevents the formation of kidney stones, you might be thinking that the effect is the same with other tea varieties as well. Arent you?

However, this is not true!

There are teas that cause kidney stones. Those who already suffer from kidney stones are not supposed to drink tea. This is because tea contains a high amount of oxalate that leads to the formation of kidney stones.

If you consume too much tea you can end up with kidney stones.

Now, as already discussed, green tea has a preventive effect with regard to kidney stones and this shows that not every tea causes them. It all depends on the oxalate level of tea.

When compared to green tea, black tea has a higher amount of oxalate present in it and therefore should be avoided.

P.S. It is still not very clear whether by bringing down your consumption of oxalate-rich foods you can prevent kidney stones or not. So, those with a history of kidney stones need to limit their consumption of food and drink that has more amount of oxalate.

You can always drink green tea as the amount of oxalate in it is quite less when compared to that of black tea.

It’s Not One And Done

Passing a kidney stone is often described as one of the most painful experiences a person can have, but unfortunately, it’s not always a one-time event. Studies have shown that having even one stone greatly increases your chances of having another. “Most people will want to do anything they can to ensure it doesn’t happen again,” said Dr. Jhagroo. “Unfortunately, it doesn’t seem to be the case that people make the changes they need to after their first stone event.”

Research conducted by Dr. Jhagroo shows that those with kidney stones do not always heed the advice of their nephrologists and urinary specialists. About 15% of kidney stone patients didn’t take prescribed medications and 41% did not follow the nutritional advice that would keep stones from recurring. Without the right medications and diet adjustments, stones can come back, and recurring kidney stones also could be an indicator of other problems, including kidney disease.

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What Are The Other Foods That Have High Oxalate Content

Generally, black tea has less oxalate content compared to other foods. However, plant sources have high oxalate content because oxalate is bound to calcium to get rid of excess calcium.

When we eat these foods, we will also get oxalate in foods. If we take a high amount from these foods, there is a risk of getting kidney stones.

However, as I mentioned before, most high oxalate foods are also loaded with nutrients such as vegetables and fruits.

It would help if you were careful enough to balance high oxalate fruits and vegetables with low oxalate nutrient-dense foods.

Following is a list of high oxalate foods with their oxalate content

  • Soybean products- 200mg 300mg

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Why Should You Avoid Kidney Stones

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The reason why we should avoid kidney stones is that they are quite painful. Also, kidney stones can cause infections and other complications when they become lodged in the urinary tract Kidney stones Symptoms and causes. . Mayo Clinic.

In this case, you might need surgery to remove the stones. But in different situations, you can pass kidney stones by drinking pain medications and drinking more water.

So, it is crucial to avoid the things that cause kidney stones and keep our kidneys healthy!

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Teas That Are Bad For You

12. Iced Tea/Black Tea

One of the biggest culprits of increased oxalate intake in the tea world is iced tea. As research finds that high-oxalate content may cause kidney stones, that creates a backlash to drinking iced tea.

But, is the iced tea the root of all evil teas? Not necessarily. Probably, iced tea has endured an unfair reputation of being the main drink that contains high oxalate levels. So, it isnt the iced part that is the problem.

Actually, the iced tea is mostly brewed from black tea leaves, which contain a high amount of oxalates.

But, many people wouldnt drink enough hot black tea daily to contribute to kidney stone formation. Iced tea, on the other hand, is easy to consume.

So, when you chug gallons of iced tea instead of water, you really increase your risk of forming kidney stones.

Oxalates in Black Tea

How much oxalate acid is in black tea? In one study, research data showed that a regular tea drinker would have an intake of between 26.46 and 98.58mg a day from loose black tea and 17.88 to 93.66mg soluble oxalate when using tea bags.

These results are based on drinking six cups of tea a day. In comparison, tea drinkers receive approximately 18mg per day, from herbal teas. So, black tea leaves may strongly contribute to kidney stone formations.

Also, another study found that oxalate levels may depend on the teas brewing time. And, in how much liquid the tea is diluted.


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