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Dr. Scarlett
Dr. Scarlett, Dog Veterinarian
Category: Dog Veterinary
Satisfied Customers: 4110
Experience:  I am a practicing small animal veterinarian with 18 years experience.
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my dog ate some of my uti infection pills, phenazopyridine

This answer was rated:

my dog ate some of my uti infection pills, phenazopyridine hydrochloride to be exact, my dog is 70 pounds, do I need to do anything for him, or will the medication pass through?

Dr. Scarlett :

Hi,

Dr. Scarlett :

When did your dog eat them and how many mg did he get?

Customer:

Not sure, about 1:00 this afternoon. His paw is stained yellow and when he urinates its orange

Dr. Scarlett :

So obviously too late to induce vomiting! How many mg were in a tablet? Any idea how many were in the bottle?

Customer:

I'm asking my daughter its her dog

Dr. Scarlett :

Phenoazophyridine can cause liver and/or kidney problems. Ingestion can also cause vomiting, diarrhea, lethargy, and increased respiratory rate (panting), and ataxia (walking like he's a bit drunk). Treatment for an overdose would be IV fluids, cimetidine (to protect the stomach), and monitoring liver and kidney values (and treating symptomatically if they are elevated).

Dr. Scarlett :

But he's a big dog (let me guess--a labrador?), so depending on how many he ate, he may be ok.

Customer:

the tablets are 97.5 mg and we think he may have taken 2-3

Dr. Scarlett :

OK, so maybe a maximum of 300 mg. The toxicologist recommends decontamination at 800 mg (20 mg/kg) for your dog, so 300 mg is pretty low.

Customer:

so I guess we will just have to deal with the orange urine for now

Dr. Scarlett :

Yes, and from what I read, it stains fabric and carpet badly--so make sure he urinates outside! I would really encourage him to drink lots of water--add it to his food, dilute some chicken or beef broth, put ice cubes in his water, etc--anything to help flush the stuff out of his system. I would recommend your daughter take him to her regular vet in the morning and have bloodwork done to make sure his liver/kidneys are ok. If he starts vomiting I would probably take him in sooner, just in case he is having a bad kidney reaction.

Customer:

thank you for the peace of mind.

Dr. Scarlett :

You're welcome! Here's to a good, stain-free evening!

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