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How to decrease the Level of Creatinine in Body?

Written by
Dr. Vidhi Hareshbhai Talati
and medically reviewed by iCliniq medical review team.

Published on Apr 11, 2017 and last reviewed on Feb 21, 2020   -  5 min read


High level of creatinine in the body indicates some problem with kidneys. This article explains the various treatment options to lower creatinine.

How to decrease the Level of Creatinine in Body?

Creatinine gives an idea about Renal Health

Serum or blood creatinine gives an idea about renal health. Creatine phosphate is made with three different types of amino acids such as arginine, glycine and methionine. It is useful to provide energy supply to muscles. Creatinine is an end product of this creatine phosphate molecule. It is a type of waste product that is released in the blood due to exercising of the skeletal muscles. It is actually produced from creatine. Each and every day, some amount of creatine is transferred into creatinine. Its value is approximately 2 % every day. Creatinine is a very harmful product for our body and that is why its elimination from the body is necessary. Blood creatine is transported to kidney and kidney excretes this product through urine from our body. That is why kidneys play an important role in the filtration of the blood.

Concentration of the creatinine is important in the diagnosis of various kidney related disorders. It provides an idea about the normal function of kidneys. If kidney function is impaired, there will be an alteration in the amount of creatinine from the normal value. If kidney fails to eliminate creatinine, concentration of the creatinine will be high and sometimes cause kidney failure. So, it is a wise decision to take blood and urine test prior to giving treatment for any disease. Sometimes, the patient is asymptomatic with high creatine concentration.

Normal Values of the Creatinine in Blood

Normal value of creatinine is measured in milligrams (one thousand part of the gram) per dl of the blood (one tenth part of one litre).

Any value above this may indicate a severe kidney disorder or malfunction. More concentration of creatine in infants or babies such as above 2.0 or more than 10.0 in adult may need dialysis. It is widely used in the emergency department of hospitals

Creatine is formed in the liver. After formation, it is transported to various organs or muscles or brain. After reaching to a particular site, it reacts with phosphate and makes phosphocreatine. During any activity, this creatine and phosphocreatine is broken down by creatine kinase enzyme. This also converts all compounds into creatinine and releases into our body. There is always some alteration in the value there. Young and muscular adult men have high concentration of creatinine than older ones. Sometimes, malnourished or under nourished persons, amputation (removal of one or more extremities), less muscle mass, severe weight loss may have less concentration of the creatine in the blood. There are some cases related to high creatinine level in blood. They are disorders of kidneys, high blood pressure, and diabetes mellitus. Some food products also contain the high amount of creatinine such as meat products, fish and seafood. Some drugs are also responsible for high concentration of creatinine, as those drugs decrease the elimination of creatinine through urine. They are Trimethoprim, Sulfamethoxazole, and H2 blocker Cimetidine. Its concentration is measured from urine after 24 of urine collection.

Harmful Effects of High Concentration of Creatinine in Our Body

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What Are the Treatments Options to Lower the Creatinine?

1) Diet Plan:

A higher concentration of the creatinine is due to a disorder of the kidney. So, it is better for us to decrease the load upon the kidneys. Kidney acts to maintain normal balance of water and electrolytes in our body. Some modifications in the diet are necessary, such a reduction of intake of protein, phosphorus, potassium and sodium.

Low protein diet is recommended to reduce creatinine level.

Person should reduce the intake of water or fluid also. Restriction of sodium reduces the pressure of the blood as well as reduces the chances of peripheral edema. Person should be restricted to eat high potassium containing dietary supplements such as tomato, potato, nuts and chocolates. Person should be restricted from eating high concentration of phosphorus food supplements such as dairy products including milk, curd, cheese, shellfish, nuts, pork, soyabean foods,etc.

The daily requirement of the protein for an adult is 1 gram per kilogram body weight per day. A child and pediatric age group need more protein as compared to adults because protein is an essential element for bone growth. People should avoid sodium rich foods such as salt, baking soda, cured meat and fish, cheese, pickles, instant soups, roasted and salted seeds and nuts, snacks, fast food such as egg products and ham biscuits, canned vegetables, etc.

There are many varieties of fruits and vegetables that are advised in kidney diseases. They are:

2) Medication - Ketosteril is mainly used for treatment of various disorders of the kidney. Its beneficial effects are thousand times more than low protein diet. It is mainly used for reducing the concentration of creatinine in blood. It supplies the proper amino acids and reduces the formation of creatinine and urea.

3) Dialysis - when diet and medication does not provide any beneficial effects, dialysis is the last option to eliminate high concentration of creatinine. Doctor measures the creatinine level and blood urine nitrogen level to test the efficacy of the kidney function. If they are increased above normal, dialysis is a must to remove it.

A health professional collects and saves the urine of patient for one whole day in an air tight container. After that, pathologist may check the concentration of this element in urine and blood. Measurement of creatinine clearance is essential for getting idea about kidney function. Creatinine clearance is measured as difference between blood creatinine and urine creatinine level. If creatinine clearance is below 10 cc per minute, dialysis is must.

Procedure - There are mainly two types of dialysis namely peritoneal dialysis and hemodialysis. But for clearance of creatinine, hemodialysis is widely used.

4) Hemodialysis - in this procedure, one connection is made between artery and vein of arm or leg. One catheter is inserted into this connection. Blood coming from artery goes into dialysis machine via plastic tube which is attached to the catheter. Blood is filtered into dialysis machine and waste products are removed from it. This purified blood further enters into circulation. Dialysis works on the behalf of kidney. Dialysis can be done three times in a week. Two catheters are inserted into the connection. One for receiving the blood and other one is for returning the blood into the vein.


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Frequently Asked Questions


What is the function of creatinine in the body?

Creatinine is the waste product that is produced by the breakdown of creatine, which is naturally found in the muscles. Creatinine enters the blood by muscle metabolism, which is then absorbed by the kidneys and excreted out of the body.


What is the normal creatinine level?

The normal range of creatinine is:
For men - 0.7 to 1.2 mg/dL.
For women - 0.5 to 1.0 mg/dL.


What is considered a bad creatinine level?

Creatinine levels above the normal range are considered to be bad, as they indicate impairment in kidney function or kidney failure.


What are the symptoms of low creatinine in the body?

Some of the symptoms of low creatinine levels in the body are difficulty exercising because of lack of strength, frail body, pain in the upper-right side of the stomach and jaundice due to inflammation of the liver, tar-colored stools, unintentional weight loss, muscular weakness, muscular pain or stiffness, and dizziness.


What are the symptoms of high creatinine in the body?

The symptoms that result from high levels of creatinine in the blood are swelling (edema), shortness of breath, nausea, vomiting, dehydration, chest pains, tiredness, hypertension, and confusion.


How to reduce creatinine in the body?

The levels of creatinine can be reduced by:
- Reducing protein intake but restricting the consumption of red meat, dairy
- Products, and beans. Consuming more of fruits, vegetables, and whole
- Grains which are rich in fiber.
- Drinking more water to avoid dehydration.
Taking Chitosan supplements.


What causes high creatinine levels?

Creatinine levels increase for patients suffering from chronic kidney disease, kidney obstruction or dehydration, or by consuming too much of food rich in protein, after rigorous exercise, and taking certain medications like antibiotics (Trimethoprim) and H2 blockers (Cimetidine).


What causes low creatinine levels?

The creatinine levels are lower than normal in people with low muscle mass, malnutrition, muscular dystrophy, myasthenia gravis, pregnancy, and sudden weight loss.


What level of creatinine requires dialysis?

The decision to put a patient on dialysis depends on the level of kidney function and the symptoms experienced by the patient. The need for dialysis is made when the estimated glomerular filtration rate (eGFR) is between 5 and 10. eGFR helps the doctor know the level of kidney function and the stage of kidney disease.


Are creatine and creatinine same?

- Creatine and creatinine are both proteins found in our body. The body produces creatine from the amino acids glycine and arginine. It is found in our muscles and it produces energy during high-intensity exercise.
- Creatinine is the waste product that is formed by the metabolism of creatine found in the muscles. This creatinine is taken up by the kidneys and excreted in the urine.

Last reviewed at:
21 Feb 2020  -  5 min read




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