The use of Ribavirin to treat chronic hepatitis C in patients receiving azathioprine has been reported to induce severe pancytopenia and may increase the risk of azathioprine-related myelotoxicity. Inosine monophosphate dehydrogenase (IMDH) is required for one of the metabolic pathways of azathioprine.
There are several common underlying causes of kidney disease. 1  In older cats Interstitial Nephritis is most frequently seen. 2  Polycystic Kidney Disease (PKD) is a very common problem in Persian cats - 20-30% of them can be affected. 3  Tumours are occasionally seen in middle-aged and older cats.
Be sure to wash all fruits and remove rinds, inedible skins, seeds, and pits before feeding to pets. Steer clear of: Grapes and raisins can cause kidney damage for cats and dogs, so avoid feeding these entirely. Citrus fruits like lemons, limes, and grapefruit as well as persimmons can cause an upset stomach.