Why did she get sick?

I have a Chihuahua named Daisy, who 2 months ago, was treated by a vet for an Ear Infection. She was on Panalog Cream for 2 weeks. Her infection cleared up and she was also cleared by the vet. I had to take her back to the vet again this past Monday,...

because her Ear Infection came back with a vengence. The vet cleaned her ears out and put some medication in them at the office. He took and Ear Culture and told me it would take 4 days, to get the results back from the vet. In the meantime, he put Daisy on an Antibiotic called Baytril Otic Ear Drops. She is supposed to get 2 drops in each ear, twice a day, until the results come back from the Ear Culture and he knows for sure where Daisy's Ear Infections are stemming from, so he can put her on the right Antibiotic for that specific problem, to hopefully be able to get rid of her Infection and find a way to be able to stop them from coming back. He also put her on Metacam for pain and said to put 2 drops only in her food once a day, if she seems like she's in pain and she needs it. She hasn't needed the Metacam yet, because since he cleaned her ears out and put medication in them at the office, her ears don't seem to be bothering her and she's not digging at them. The redness is also not as obvious as it was when I first took her in. He told me to start the first dose of the Baytril this morning (Tuesday). This morning I gave daisy her first treatment. About 10 minutes later, she was acting a little off kilter and off balance. After a while she was fine. When I gave her the second treatment tonight, after about 10-15 minutes, she threw up 2 times and was acting very withdrawn, shaking and again off balance. I got concerned, so I called the Emergency Vet and the vet there said, that he does not think that the Baytril would have caused Daisy to throw up. He said that it's probably because when the ear is infected, that it tends to make a dog act a little strange. He said if she throws up again to bring her in. She hasn't thrown up again and it's been a couple of hours. She also ate and has kept it down. She's acting perfectly fine now! Have any of you, had to give your dog Ear Infection medication and had your dog throw up or act strange shortly after the medication was given? What do you think caused Daisy to throw up and act so strange, so soon after I gave her the ear medication? I will call my regular vet in the morning and tell him what happened, but I just wanted to see if anyone here, has ever had a reaction like this, with Ear Infection medication with their dogs! Thanks Everyone!

I have never had a dog with an ear infection, but I have had plenty of them. I usually have vertigo with them. It appears suddenly, makes me extremely dizzy (I have trouble walking a straight line) and usually I throw up. This does not happen everytime I move or eat.
Given the fact that this happened after her medication, it also might be connected. I would take her to your regular vet in the morning.

How long have you had Daisy for and where did you get her?

Thank You Utopia! I am going to give the vet a call in the morning, before I can Daisy her next dose and see what he says!

Blahdablah! I'm sorry, but what does how long I've had Daisy and where I got her from, have to do with the question I asked, about Ear Infections and medications?

that's the first thing that I thought...that the ear infection caused the vertigo, and the vertigo caused the nausia. Optic drops usually take 5 days to kick in, good...It's used for yeast type infections (my Westie used to get yeast infections around her vulva, and we used the Optic ointment for that...)

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Just an update! I called the vets office this morning and told them about what happened with Daisy throwing up, being shaky, and withdrawn. Weird thing is that Daisy was fine about a half an hour after this all happened.They told me not to give her this mornings dose and that they would call me back, when they talked to the vet. The girl that I spoke to just became a vet herself and she said that it's strange that Daisy would react that way and that she would talk to my regular vet when he calls in. I guess he doesn't come in on Wednesdays.

I would say that the ear meds did not make her sick, we use plenty of ear treatments at work on a daily bases and I have yet to see a dog or cat have a reaction to them, not saying it can't happen, but I do believe that there is a secondary issue going on. Like Utopia said.
Hopefully you will know soon enough how to treat her.