ticklechin
Well-known member
You can offer him some loose alfalfa mixed with his regular hay for weight gain slowly. Chins with heart issues do need to be on the lean side, so you want too much gain.
Hope Shadow is doing better. I have two chins on lasix and enalapril for heart murmur/failure. My 14.5 year old chin has been on it for the past 1.5 years, and my 2.5 year old has been on it since the holidays. Both are doing well now.
We had difficulty getting the enalapril dose right for both of them. Both showed drastic improvement at first, and then became rather lethargic with odd breathing. Their enalapril doses were gradually reduced, which resulted in improvement. My 14.5 year old (~875g) currently takes 0.5 mg daily, and my 2.5 year old (~600g) takes 0.5 mg every other day. My fingers are crossed for you that a simple dosage adjustment is all that is needed.
Regarding the "mass" in the xray, my 14.5 year old also had an abnormal finding. In her case, a barium swallow confirmed that it was just a harmless hernia.
Thinking good thoughts for you!
I'm glad Shadow is starting to feel better!!
Our vet actually gives us 5mg enalapril tablets (since that is the most affordable option and what he stocks in his clinic), which we then cut into 8 eight pieces, figuring that with a little loss from each cut we get approximately 0.5mg per dose.
My 14.5 year old was originally put on 1mg daily. After the initial improvement, she started acting lethargic with odd breathing. My mom is a nurse and recognized these to be symptoms of hypotension and suggested that her enalapril might be working too well.
Although I could not find any information regarding chinchillas specifically, I found two sources (sorry I can't find them at the moment) that stated that for management of CHF in rabbits, the maintenance dosage should be 0.25-0.5 mg/kg daily or every other day. Based on this, my chin was getting more than twice as much as the recommended dose!!
Armed with this information, we went to the vet, who agreed that we should try reducing her dose. That seemed to do the trick! We saw improvement in just a few days.
(My younger smaller chin was originally put on 0.5mg daily, but that proved to be too much for her. Since it is nearly impossible to cut the 5mg pill into sixteen pieces, we opted to give her 0.5mg every other day. Again, we saw improvement in just a few days after lowering her dose.)
Regarding Shadow's dosage...am I reading correctly that he is being given 0.9mL of 3mg/mL solution? If so, that means he is receiving 2.7mg daily. Based on rabbit calculations, that is more than 12x the maximum dose that a chin of his weight should receive. I would definitely ask the vet about reducing his dosage.
Edited to add: in dogs, loss of appetite can be a side effect of enalapril. Both of my chins initially lost some weight but eventually gained some of it back and have since held steady.
One more thing to add...my vet sometimes gives cyproheptadine as an appetite stimulant. It seemed to be effective for my older chin, but I thought it made her a bit drowsy. This might help Shadow gain back some weight. Just a thought.
Wow that lasix is pricey! My vet dispenses it in tablet form (I cut into fourths and dissolve in water), and it is only about $12 for a couple months' supply.
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