Hi, I co-own a dog with a friend. My dogs name is Tosca. Tosca has been in the Czech Republic for the past year. That is where my friend lives....

As you say it is difficult to say for sure when you can not see the dog.  One possibility is that the antibiotics may have made her sick.  You did not say if he took any x rays.  As long as an obstrtuction has been eliminated as one of the possibilities it could be her pancreas acting up.  This is a hard disease to diagnose.  Sometimes you will have enzymes called lipase and amylase that may be high but not always.  Does your friend think she could have eaten anything that she shouldn't have especially if it was real fatty.    I would keep her hydrated and keep her on some kind of vomiting medicine.  A good oral medicine for vomiting is called Sucralfate 1000 mg  she could take 1/2 tablet every 8 hours   this drug goes into the stomach and plugs up the irritated areas.   The fact that her blood work is normal is good but it would be nice to know what was run and the results. Since it has been a week since she was spayed I do not think that this is related to the vomiting.  She just needs real good support with fluids and drugs until this hopefully will pass.  But a foreign body obstruction until proven other wise still has to be a consideration.  Depending on the type of equipment available an ultra sound would be very helpful in that regard. If this is not available and she continues to vomit and get worse then an exploratory surgery may have to be done to see what is going on for sure. Does her abdomen feel tense or painful.  If not that is a good thing and support therapy may  pull her through. If you get more info let me know I will be around the rest of day and I will check this sight every 30 minutes to an hour.

It is difficult to tell when you don't see the dog   It could be the antibiotics made her sick or she could have eaten something she should not have and it may have triggered this.  She could have an obstruction with a foreign body.  Does your freind think she ate anything strange, especially if it was fatty   You did not say  if x rays were taken.  An Ultra sound may help elimimate an obstruction.   Her pancreas could be acting up  An ezyme test Amylase or Lipase may show that to a problem. Even though her blood work was normal it would be nice the see what was run. If  an obstuction can be elimimated from the possible diagnosis  then supportive therapy and vomiting meds may pull her through.  A good stomach drug is Sulcrafate 1000mg she could take a 1/2 tablet every 8 hours  This drug goes into the stomach and helps coat the irritated areas. If ultra sound is not available and she continues to vomit then an exporatory may need to done to what is going on.  If you get more info let me know I will check the sight the rest of night about every 30 to 60 minutes  Good luck. 

Did you get my response it is not showing up

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Now they are showing up  I will be here the rest of the day if you get any new updates or info

Well that is good news about the ultra sound   Hope all goes well but with support I think she will do well

Your very welcome and I am glad she seems to be coming along