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Coughing spells in lop, seen at emergency vet, going to regular vet tomorrow, Wondering if heart problem?

22 9:59:04

Question
Hi Dana, I have an approximately 7 yr old spayed, female lop.  About 2 1/2 weeks ago she had a coughing episode, which left her chest damp and very labored breathing.  I rushed her to critical care and they placed her on oxygen, breathing turned to normal after about 30 minutes.  She was seen by an exotics vet that week and he noted no after effects and generally good health for her age.  Last night she began coughing again and a large amount of clear fluid came up through her nose and out of her mouth.  I rushed her back to critical care and they put her  on oxygen again, breathing had stabilized prior to arriving at the clinic. She ate normally overnight and is active and friendly today. (not sure about poop, as she has a companion rabbit and they share litter boxes).  She has an appointment with the exotics vet tomorrow, I'm wondering what tests might be beneficial and what might be causing this.  Both episodes occurred when she was laying next to her companion.  Wondering if she is inhaling some of his fur as he is shedding, but also very concerned it may be a heart issue. Heart sounds have been normal on all exams and she has received vet care since I adopted her about 3 yrs ago (regular checkups, a couple of episodes of gastric upset and she developed a cataract last Nov).  Thanks for your help.

Answer
Dear Teri,

I have a strange feeling I answered this question in another venue, but I'll give the same answer as before:

There could be cardiac, respiratory or dental problems here.  I would ask the vet to consider taking chest radiographs and examine bun for any signs of heart or lung disease.  But I would also be sure that the vet checks the molars and deep back in the mouth, since a bunny with severe molar spurs can cough and choke like this, especially after eating.  

I know of one vet who had a coughing bunny that turned out to have a hairball caught in her throat because the wad was attached to a back molar by a small loop of twisted fur!  

I hope by now the vet has been able to help you.  I'm sorry I was briefly out of town, and hence the delay in answering your question.

Take care,

Dana