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Nephrotoxicity is toxicity in the kidneys. It is a poisonous effect of some substances, both toxic chemicals and medications, on kidney function. [1] There are various forms, [2] and some drugs may affect kidney function in more than one way. Nephrotoxins are substances displaying nephrotoxicity.
Nephrotoxicity, nausea and vomiting (30-100%), myelosuppression, electrolyte anomalies, peripheral neuropathy, ototoxicity and anaphylaxis, haemolytic anaemia (rare), optic neuritis (rare), reversible posterior leucoencephalopathy syndrome (rare), seizures (rare), ECG changes (rare) and heart failure (rare).
Common causes of ATN include low blood pressure and use of nephrotoxic drugs. [2] The presence of "muddy brown casts" of epithelial cells found in the urine during urinalysis is pathognomonic for ATN. [3] Management relies on aggressive treatment of the factors that precipitated ATN (e.g. hydration and cessation of the offending drug).
These agents may also cause kidney impairment, especially in combination with other nephrotoxic agents. Kidney failure is especially a risk if the patient is also concomitantly taking an ACE inhibitor (which removes angiotensin II's vasoconstriction of the efferent arteriole) and a diuretic (which drops plasma volume, and thereby RPF)—the so ...
The scarring of the small blood vessels, called capillary sclerosis, is the initial lesion of analgesic nephropathy. [7] Found in the renal pelvis, ureter, and capillaries supplying the nephrons, capillary sclerosis is thought to lead to renal papillary necrosis and, in turn, chronic interstitial nephritis.
Nephrotoxicity — increase in serum creatinine levels and renal injury can occur in patients receiving foscarnet. [5] [16] Other nephrotoxic drugs should be avoided. Nephrotoxicity is usually reversible and can be reduced by dosage adjustment and adequate hydration. [17]
Oftentimes, acute nephrotoxicity is reversible, but it may be fatal. [14] The risk of nephrotoxicity can be affected by the dose, frequency, duration of therapy, and concurrent use of certain medications, such as NSAIDs, diuretics, cisplatin, ciclosporin, cephalosporins, amphotericin, iodide contrast media, and vancomycin. [21]
It is known to interact with nephrotoxic agents (e.g. amphotericin B, foscarnet, IV aminoglycosides, IV pentamide, vancomycin, tacrolimus, non-steroid anti-inflammatory drugs, etc.) to increase their nephrotoxic potential.