Trifexis while treating IMHA/IMT (Evan's Syndrome)???

    • Puppy

    Trifexis while treating IMHA/IMT (Evan's Syndrome)???

    My dog Lucy was diagnosed with IMHA/IMT on July 23rd. She has been up and down with this, but after her second blood transfusion last Monday (and adding cyclosporine in addition to danazol and preds), her blood work was the best it has ever been yesterday (PCV had barely changed from following the transfusion - near 40%, and her platelets were up to 161,000). Her liver enzymes (the ones that show that her liver is being damaged (ALT?) were still high, but were down to half of what they were prior to her second transfusion (down from 1157 to 731). If her numbers were still good at the end of the week, we were going to begin a gradual reduction of her prednisone starting Sunday (but leave her on the cyclosporine).

    When she was diagnosed, her PCV was 15% and her platelets were 17,000 (they put her on pred and azathioprine to treat it). Three days after she was diagnosed, her PCV had gone down to slightly under 12%, so they gave her a transfusion, and it went up to 36%, but eventually fell down to 28%. Even though her PCV was holding steady at 28%/platelets went up to 80,000, and it appeared the high dose of preds and aza were working, I could tell she was feeling crappy. Her blood tests revealed her liver values (whichever one it is that shows her liver is being damaged...I think it's ALT) were extremely high and possibly causing her to feel bad. They then discontinued the aza, and added danazol. They also put her on some fluids to try to flush out the liver toxins. She seemed to feel better. However, the next Wednesday, her PCV had dropped down to 20%, and her platelets to 40,000. Her liver values were even higher than what they were. She doubled the danazol dose. Then late that Sunday night, I noticed she fell over two or three times (the same type of collapse that she had when I first took her to the emergency clinic and we found out she had this god awful disease). Next day her PCV was at 15%, and they decided to do another transfusion. Her PCV went up to 40%. They also kept her on the same dose of danazol, but reduced her prednisone and added on cyclosporine. Aside from the Cushing's type symptoms from the pred, she has felt the best I have seen her feel since this all began.

    I live in Alabama (so we have a lot of mosquitos). Yesterday, she was a week late taking her Trifexis (I haven't wanted to give it to her until she was more stable). I asked my vet if she thought it would be okay to take, and she told me yes, and that she would hate for Lucy to have gone through all of this and then get diagnosed with heartworms in 5 or 6 months. So I gave it to her.

    She has been feeling so well for the past week and was still feeling so good yesterday. Today, I've noticed she's been sleeping a lot more, and is not the same Lucy that I've been seeing over the last week (she had been following me around everywhere, and desperately scavenging from food from the preds...not today).

    Her color still looks pink (not as pink as yesterday though). I was worried she was maybe getting a fever or an infection, so I took her temp and her temp was normal. She has a glazed over look in her eyes, which is always indicative to me when she's not feeling well. She's not wagging her tail like she was or anything. She also was breathing really hard whenever she walks anywhere, and is a lot more wobbly when walking. She ate today (she never has stopped eating since this whole ordeal began). My BIGGEST concern is when I was holding her to take her temperature, her chest felt swollen, and her heartbeat felt funny (not like the anemic heartbeat, but not normal either). It felt like she was swollen with fluids in her chest (does that make sense?). She's had pred belly for a while now, but her stomach is now even more swollen tonight, and feels tightly swollen with fluids.

    I wasn't thinking anything, but then I remembered I gave her the damn trifexis yesterday. Has anyone had any negative effects from this???? I am SO MAD I gave it to her now. I'm calling my vet first thing in the morning to take her in, but I wanted to hear from other people to see if anyone has any advice concerning this.

    Thank you for any advice/help/suggestions, etc.  

    • Gold Top Dog

    From the bottom of my heart I am SO sorry you're having to deal with this.  I know whereof I speak -- my Billy had IMHA.  He survived it (despite SIX transfusions in one month) and altho it took me 18 months to get him off all the drugs, he then had 3 wonderful years after (lost him to a heart attack -- NOT IMHA and the heart had been a problem for a while)

    From what you are describing I would go to the vet ASAP  -- Heart issues can be a major complication and SO can the collection of plasma in the body cavity if it is ascites (if the PCV gets super low then the blood vessels actually are too porous to hold the blood and plasma can leak into the body cavity.  GO TO THE VET NOW iF AT ALL POSSIBLE 

    There is a massive running thread on here "AIHA or IMHA" that will help you.  I think we're up to page 514 now.  Click Here

    I've used Interceptor for years and I will be SO glad when Novartis gets things sorted out.  But I won't use Trifexas on any of my dogs.

    why?  The 'main' drug is milbemycin (like in Interceptor) but the other drug is Spinosad (like in Comfortis).  The Spinosad is systemic -- meaning that specific pesticide stays in the dog's body. That alone is a show-stopper for me (knowing what I now know about chemicals/pesticides).  I live in Florida so, like you, heartworm prevention is Job #!.

    But beyond that -- **in particular** for dogs with IMHA/IMT or any of the immune-mediated diseases where the dogs have to take pred, cyclo or azathiaprene I would warn people WAY away from spinosad.

    Spinosad kills by making the flea seize (have seizures) to death. It has been linked to seizures in dogs, and actually carries a warning from the company that it shouldn't be used in dogs prone to seizures. 

    So?  When the liver gets toxic, that creates an environment in the body FAR more conducive to seizure activity.  In fact, some dogs in treatment for IMHA/AIHA/IMT actually HAVE seizures when the liver is most toxic.  They may go away and never return.  However, I would absolutely tell anyone whose dog is taking the drugs so hard on the liver to avoid spinosad. 

    It is not at all unusual for dogs to develop heart side-effects from the IMHA/IMT -- the body is starved for blood so much that it has to work REALLY hard to pump blood even harder to get oxygen to the cells.  You may be feeling a murmur -- or something else.

    When you say her eyes are glazed -- does she snap out of it?

    Gosh I wish I'd seen this last night -- I was still on and had just checked the thread but did not see THIS one. 

    My email is in my signature -- please please feel free to email me.  I've helped folks with this disease for several years now -- there are just tons of things that a vet can't really tell you.  People are SO overloaded just coping with what is going on *today* that they try not to just blast you with a ton of detail.  but being better prepared to deal with stuff can help.

     Good luck -- please PLEASE let me know what happens.