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.
Conjunctivitis in cats is almost always caused by infection. Infectious conjunctivitis is caused either from a viral or bacterial infection. * 1. Feline Herpesvirus (FHV-1) is an upper respiratory infection. Feline Herpesvirus is a common cause of eye infections in cats and kittens.