My dog has rash in groin area and vomiting since last night. He is so lethargic that he just lies in the grass today. If he drinks water, then throws it up at once. What may he suffer from ?
There is no way for us to tell here what his problem might be. From the symptoms you have given, you need to call your vet ASAP and make an appointment to take him in. He is vomiting water as soon as he drinks it, which means that after 12 hours he is probably already dehydrated and may need IV fluids. Please don't wait. Call your vet now and take him right in to be evaluated.
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