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Amlodipine (Norvasc) for treating kidney failure / eye problems?
I'm aware that a few years ago a drug company was doing a study on the effectiveness of Amlodipine in cats to treat kidney failure. Amlodipine is (I believe) a treatment for high blood pressure, and perhaps a reduction in blood pressure (even in cats with normal blood pressure?) might be the reason why this drug seemed to be effective for treating kidney failure. Anyways, I was wondering if these amlodipine studies have been completed and if Amlodipine has become a standard treatment for kidney failure. Seems that there are some good reasons for giving amlodipine in older cats anyways - such as the prevention of eye problems. I found the following material on the 'net and was wondering if vets would ever prescribe amlodipine in older cats as a way to prevent kidney or eye problems without specifically testing for high blood pressure (which no vets seem to do anyways). Basically, if I wanted to put my cat on amlodipine - more or less just for the hell of it - what would be the down-side? Seems there are some real benefits, and waiting for kidney or eye problems to present themselves seems too late. ------------ The most common cause of sudden blindness in older cats is probably hypertension (high blood pressure), usually associated with hyperthyroidism, kidney disease, diabetes or some other systemic illness. Optic neuritis does occur independently of hypertension. In addition, glaucoma can cause blindness that seems to have a sudden onset, even though it has quietly been causing damage for some time. This is actually one of the causes of optic neuritis. Cats do not get glaucoma as often as dogs do, but it is something else to consider. Many vets (including us) do not have an in-clinic method of measuring blood pressure. In that situation, I think that it is reasonable to use medications to control blood pressure on the presumption that it might be the problem, until it is clear that it is, or is not, part of the problem. We use amlodipine (Norvasc Rx), usually 1/4 of a 2.5mg tablet once a day. http://www.vetinfo.com/cateye.html ------------- |
#2
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I'm aware that a few years ago a drug company was doing a study on the
effectiveness of Amlodipine in cats to treat kidney failure. Amlodipine is (I believe) a treatment for high blood pressure, and perhaps a reduction in blood pressure (even in cats with normal blood pressure?) might be the reason why this drug seemed to be effective for treating kidney failure. Anyways, I was wondering if these amlodipine studies have been completed and if Amlodipine has become a standard treatment for kidney failure. I would think giving a cat Norvasc just for the hell of it is an extremely bad idea. Norvasc is a calcium channel blocker that's used to treat high BP and angina in humans. I'd think you're going to cause your cat's BP to become dangerously low unless the cat is monitored by a vet. Sherry Seems that there are some good reasons for giving amlodipine in older cats anyways - such as the prevention of eye problems. I found the following material on the 'net and was wondering if vets would ever prescribe amlodipine in older cats as a way to prevent kidney or eye problems without specifically testing for high blood pressure (which no vets seem to do anyways). Basically, if I wanted to put my cat on amlodipine - more or less just for the hell of it - what would be the down-side? Seems there are some real benefits, and waiting for kidney or eye problems to present themselves seems too late. ------------ The most common cause of sudden blindness in older cats is probably hypertension (high blood pressure), usually associated with hyperthyroidism, kidney disease, diabetes or some other systemic illness. Optic neuritis does occur independently of hypertension. In addition, glaucoma can cause blindness that seems to have a sudden onset, even though it has quietly been causing damage for some time. This is actually one of the causes of optic neuritis. Cats do not get glaucoma as often as dogs do, but it is something else to consider. Many vets (including us) do not have an in-clinic method of measuring blood pressure. In that situation, I think that it is reasonable to use medications to control blood pressure on the presumption that it might be the problem, until it is clear that it is, or is not, part of the problem. We use amlodipine (Norvasc Rx), usually 1/4 of a 2.5mg tablet once a day. http://www.vetinfo.com/cateye.html ------------- |
#3
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I'm aware that a few years ago a drug company was doing a study on the
effectiveness of Amlodipine in cats to treat kidney failure. Amlodipine is (I believe) a treatment for high blood pressure, and perhaps a reduction in blood pressure (even in cats with normal blood pressure?) might be the reason why this drug seemed to be effective for treating kidney failure. Anyways, I was wondering if these amlodipine studies have been completed and if Amlodipine has become a standard treatment for kidney failure. I would think giving a cat Norvasc just for the hell of it is an extremely bad idea. Norvasc is a calcium channel blocker that's used to treat high BP and angina in humans. I'd think you're going to cause your cat's BP to become dangerously low unless the cat is monitored by a vet. Sherry Seems that there are some good reasons for giving amlodipine in older cats anyways - such as the prevention of eye problems. I found the following material on the 'net and was wondering if vets would ever prescribe amlodipine in older cats as a way to prevent kidney or eye problems without specifically testing for high blood pressure (which no vets seem to do anyways). Basically, if I wanted to put my cat on amlodipine - more or less just for the hell of it - what would be the down-side? Seems there are some real benefits, and waiting for kidney or eye problems to present themselves seems too late. ------------ The most common cause of sudden blindness in older cats is probably hypertension (high blood pressure), usually associated with hyperthyroidism, kidney disease, diabetes or some other systemic illness. Optic neuritis does occur independently of hypertension. In addition, glaucoma can cause blindness that seems to have a sudden onset, even though it has quietly been causing damage for some time. This is actually one of the causes of optic neuritis. Cats do not get glaucoma as often as dogs do, but it is something else to consider. Many vets (including us) do not have an in-clinic method of measuring blood pressure. In that situation, I think that it is reasonable to use medications to control blood pressure on the presumption that it might be the problem, until it is clear that it is, or is not, part of the problem. We use amlodipine (Norvasc Rx), usually 1/4 of a 2.5mg tablet once a day. http://www.vetinfo.com/cateye.html ------------- |
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