Top 15 reasons for Kidney damage

Dr Surinder Sodhi
Your kidneys may be small, but they perform many vital functions that help maintain your overall health, including filtering waste and excess fluids from your blood. Serious kidney disease may lead to complete kidney failure and the need for dialysis treatments or a kidney transplant to stay alive.
Every day, the two kidneys filter about 110 to 120 litres of blood to produce about 1 to 2 litres of urine, composed of wastes and extra fluid.
The kidneys are important because they keep the composition, or makeup, of the blood stable, which lets the body function.
Maintain normal growth:
Healthy kidneys are required for normal linear growth.
The top reasons for kidney damage are mentioned below:-
* Medications: There are different groups of medications which are harmful for kidneys and if you are on any such medications you should investigate your kidney profile on regular basis. The groups are mentioned below…
a. Antibiotics, including ciprofloxacin, methicillin, vancomycin, sulfonamides.
b. Analgesics, including acetominophen and non-steroidal anti-inflammatory drugs (NSAID): ibuprofen, naproxen, and others available only by prescription.
c. COX-2 inhibitors, including celecoxib. Two drugs in this class have been withdrawn from the market because of cardiovascular toxicity: rofecoxib , and valdecoxib. These drugs are a special class of NSAID that were developed to be safer for the stomach, but have the same risk as other NSAIDs for kidney damage.
d. Heartburn drugs of the proton pump inhibitor class, including omeprazole lansoprazole , pantoprazole , rabeprazol, esomeprazole.
e. Antiviral drugs, including acyclovir used to treat herpes infection, and indinavir and tenofovir, both used to treat HIV.
f. High blood pressure drugs, including captopril.
g. Rheumatoid arthritis drugs, including infliximab ; chloroquine and hydroxychloroquine, which are used to treat malaria and systemic lupus erythematosus as well as rheumatoid arthritis.
h. Lithium, used to treat bipolar disorder.
i. Anticonvulsants, including phenytoin and trimethadione, used to treat seizures and other conditions.
j. Chemotherapy drugs, including interferons, pamidronate, cisplatin, carboplatin, cyclosporine, tacrolimus, quinine, mitomycin C, bevacizumab; and anti-thyroid drugs, including propylthiouracil, used to treat overactive thyroid.
* Cigarettes : Smoking has a direct relation to increased protein detected in the urine, affecting kidneys adversely. Diabetes and high blood pressure, diseases having an aggravating impact on kidney damage , are also exacerbated by smoking.
* Sugar : Sugar laden sweets do not impact kidneys directly but trigger and worsen other health problems like diabetes. Diabetes and obesity are two of the most common causes of kidney damage.
* Contrast Dyes : Dyes used in diagnostic radiology procedures like CT scans, X-rays and angiograms, have serious implications on the kidney, including Acute Kidney Injury (AKI), an abrupt decrease in kidney function. Insist onless toxic or diluted dyes, fluids to out toxins, or drugs to help protect the kidneys from the dye.
* High-Sodium foods : Very little Sodium is required to maintain proper fluid balance in our body. Excessive salt intake triggers an avalanche in the body, increasing blood pressure, damaging the kidney’s filters- nephrons, accelerating kidney failure. Kidneys tend to retain water, needed for proper heart function, in order to dilute this excess electrolyte in the bloodstream.
* High Blood Pressure : Weight control, exercise, and proper diet can control blood pressure—which puts lot of stress on your kidneys and causes loss of protein. So treating your blood pressure will help protect your kidneys. For hypertensive persons they must take DASH DIET ie(dietary approach to stop hypertension).
* Meat: Animal protein metabolism’s acidic residue triggers our body to pull calcium and other mineral salts from the bones, in order to return you to the preferred alkaline state, overstraining kidney functions. Uric acid –a byproduct of high purine foods such as meat, seafood and fish; causes kidney stones and calcium oxalate stones, due to increase in the amount of calcium excreted in urine.
* Drug allergies: Allergic reactions put unprecedented load on the kidneys. Avoid medicines that you are allergic to, and ask about a drug’s effects on the kidneys any time you take a newmedication, to avoid kidney damage.
* Genetically Modified (GM) foods : Processed foods contain genetically modified ingredients to increase plant’s pest resistance, immunity to herbicides, or improve crop yields. Studies have shown that these foods create a state of hepatorenal (liver and kidney) toxicity. Opt for organically grown produce and avoid common sources of GM ingredients such as processed and prepackaged foods.
* Artificial Sweeteners : Though sweeteners assert that they are non-caloric, studies have shown a decline in kidney function with an intake of just two diet sodas per day.
* Carbonated Beverages : Foods, like carbonated beverages (with or without artificial sweetener), and energy drinks that are high in phosphates, are known to have a damaging effect on blood vessels in the kidneys, and increase the chances of kidney stone formation.
* Dairy Products: Over consumption of dairy products (contain animal proteins), increases the excretion of calcium in the urine, which has been associated with a higher risk of developing kidney stones
* Caffeine : Caffeine in coffee, tea, soda, and foods can stimulate blood flow, increasing blood pressure and stress on the kidneys. If substantially raises the kidney failure prospects of obese and diabetic consumers. Caffeine consumption has also been linked to kidney stone formation by increasing calcium excretion in urine.
* High-oxalate Foods: Oxalates, which form oxalate stones , obstruct the flow of urine and damage kidneys. If you are prone to oxalate stones, stay away or moderate foods like nuts, chocolates and spinach.
* Gluten induced : Gluten intolerant people have shown a higher tendency of gluten-induced kidney damage. So do check your levels regularly.
* Vitamin D deficiency : Vitamin D is not just a vitamin but a steroid hormone that is critical to the health of kidneys and the body in general. So get out and get a piece of your sun.
(The author is a faculty member Nephrology, GMC Jammu)

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