Thank you for the additional information.
If she eats a diet with dry food and gobbles it quickly, it is worth noting that the dry kibble's expansion in the stomach can cause stomach distension leading to vomiting. Therefore, if she vomits just after her meal, then this is a consideration and it would be worth swapping to a wet food diet to see if this settles.
Otherwise, when we see a dog show vomiting, we do have to consider a range of causes. The most common reasons for a dog her age to vomit are dietary indiscretion (eating something she shouldn’t have), ingestion of a foreign body (ie toys, bones, trash, etc.), viral infections (ie parvo, distemper, etc), toxins, metabolic disease, organ troubles, and bacterial gastroenteritis. Since she isn't a mischievous wee soul, then hopefully we can put worries like toxins and foreign bodies (which we' d want to address as soon as possible) lower on our list of concerns.
So, if we can put those concerns lower on our list, then you can try and settle her stomach at home. First, you can try to settle her stomach by resting it by withholding food for 8-12 hours.She should have access to water at all times, but in small amounts since over drinking can induce vomiting as well. (f she does have a reasonable amount of water and cannot keep that down, then we'd have to consider having her seen sooner so that she can be treated with anti-vomiting/sickness medication.)
If you haven’t seen further vomiting by that point, then I would advise giving him a small volume of a light/easily digestible diet. Examples of this would be boiled chicken with rice, boiled white fish and pasta scrambled eggs (made with water and not milk), or cottage cheese with rice. There are also veterinary prescription diets that can be used in cases of gastroenteritis, (ie Hill’s I/D or Royal Canin’s sensitivity).You want to offer a small amount (1 tbsp) and if she keeps that down, a bit more can be offered about thirty minutes later. If no vomiting is seen, then you can increase the volume you are feeding. I usually advise that the diet be continued until the vomiting is settled, and that they are then slowly weaned back to their normal diet over a week.
If you are concerned that she is become dehydrated, then you do want to check her hydration. When checking a pet's hydration status, there are a few things we can test. One is whether the eyes appear sunken, if the gums are tacky instead of wet/moist, and whether the pet has a "skin tent" when you lift the skin. To see how to check these parameters for dehydration, you can find a wee video on this HERE.
If her vomiting has settled at this point, you can can offer or even syringe feed her pedialyte. A typical maintenance rate for hydration in an animal is 48 milliliters per kilogram of body weight per day. This value will give you the total she needs for the day (though doesn’t take into account vomiting losses) and is a good starting point to give you an idea of her daily requirement. If she vomits you given pedialyte, I would discontinue this as a therapy. (since we don’t want her vomiting more because of our intervention). As well, if her vomiting hasn't settled, then syringing won't be an option without anti-vomiting medication from her vet.
As well, you can consider addressing nausea as it will likely be the cause of her vomiting. There are a number of antacids that are available over the counter and pet friendly. I would advise only treating with one, but the two I tend to recommend are Pepcid (LINK) or Zantac (LINK). This medication of course shouldn’t be given without consulting your vet if he does have any pre-existing conditions or is on any other medications. Ideally, it should be given about 30 minutes before food to ease her upset gut signs.
So, do consider swapping to an all wet or light diet for her to see if the kibble and her quick eating is too blame. Otherwise, if you initiate these treatments and do not see improvement over the next 24-4 hours or she cannot keep water down, then I would advise following up with her vet so that they can address possible causes of vomiting. They will just be able to double check she hasn't eaten anything she should not have. And if necessary, they can provide antibiotics and anti-vomiting medication to help her get back to feeling like herself.
I hope this information is helpful.
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