Experienced and professional animal trainer provide their insights in answering this question :
A. It sounds like a tummy bug. Due to the size of your dog It is worth having it checked by your vet as soon as possible as little pets can go downhill and become dehydrated very quickly.

How to Identify Common Pet Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced pet care professionals :

Foamy yellow vomit indicates a buildup of stomach acid if your dog eats too much at one time or vomits on an empty stomach. In dogs, this type of vomit almost always indicates bile, which is caused by stomach irritation in one form or another.
What are the clinical signs of gastroenteritis? Most dogs with gastroenteritis will have intermittent episodes of vomiting and diarrhea. The vomit may contain foamy, yellowish bile, especially after emptying the stomach. Many owners observe dry heaving or gagging after their dog eats or drinks.
White foamy vomit is usually due to saliva and digestive secretions mixing with air in your dog`s tummy, resulting in vomit with a soap suds like appearance. Typically there is some sort of irritation or trigger causing the white foamy vomit.
Vomit that looks like white foam or foamy saliva instead of chunky or yellow vomit is often because of excess gas and air in the stomach. In most instances, your dog is throwing up white foam because there`s nothing much left in his stomach to eliminate.
If you see your dog vomiting yellow bile when he also has constipation or can`t keep any fluids down … take him to the vet right away. If your dog repeatedly vomits yellow or white foam, or he`s trying to vomit with nothing coming out, it could be a sign of bloat (also called GDV – gastric dilatation and volvulus).
You can try feeding her a bland diet mixture of boiled white chicken and boiled white rice for 2-3 days and see if that helps settle her stomach. If she continues to vomit or becomes lethargic, then she should see your veterinarian right away.
The best thing to do for a single episode of yellow vomit in an adult dog is withhold food and water for 12 hours. This will allow the stomach to settle. Offer your pet a small amount of bland food after this period and see what happens. If they eat with gusto and go on as usual, you have nothing to worry about.
White rice is often recommended as a home remedy for vomiting because it is bland and easily digestible. It can also help to absorb excess stomach acid and settle an upset stomach. If your dog is throwing up yellow bile, white rice may help to bind their stool and firm up diarrhea.
If your dog vomits white foam just one time, there is no need for immediate concern as long as your pet is acting normally otherwise. However, withhold your dog`s next meal and call your vet if your dog is displaying other symptoms in addition to vomiting white foam, including: Weakness. Lethargy.
Chihuahuas have a very sensitive stomach and the wrong food can cause them to throw up. Yellow foam is a substance Chihuahuas below a year old commonly vomit. This is the bile in their stomach. They could be vomiting this substance because of fever, stress, or an upset stomach.
A dog throwing up mucus occasionally may not be a cause for concern. However, if your dog is throwing up mucus frequently, you should take them to the vet. You should also take your dog to the vet for vomiting if they are very young or very old or have other illnesses.
A dog may be throwing up yellow bile because its stomach is empty and gastric acids are irritating the stomach lining. But, it can also be a yellow foreign object or substance your dog may have ingested, so it`s important to not dismiss yellow bile as a sign of hunger.
If a dog throws up until their stomach is empty and then continues to retch, they will throw up yellow bile – but it`s better to take them to the vet before they progress to that point. If your dog is also low in energy and displaying signs of extreme abdominal pain, they may have a blockage.
‍Why do dogs vomit white foam? White foam, a makeup of mucus and fluid from a dog`s respiratory tract, can appear as vomit for several reasons. It could be because of gastrointestinal parasite infection (or other infections), pancreatitis, foreign body ingestion or consumed toxins, Dr.
Can I give my dog water after vomiting yellow bile? Water is OK to give your dog in small amounts within three or four hours after they vomit. If your dog doesn`t vomit again, you can give them water as usual.
Should I feed my dog after vomiting yellow bile? If your dog is vomiting bile after a long period of fasting, this may mean that the lack of food in their stomach has caused bile to leak from the small intestine back into the stomach. In this case, you can feed your dog small amounts of food after they vomit.
If your dog is suffering from bilious vomiting, you should try to provide them with their normal dog food just before they go to bed. Then, you should feed them again right after you get up in the morning. This is especially important if you notice that the vomiting episodes typically happen first thing in the morning.
If you vomit bile more than once, you could be having a medical condition responsible for the problem. Yellow bile is usually a result of changes in the body due to the underlying condition. In most cases, it`s no cause for concern, especially if you vomit while your stomach is empty.
If it`s a one-time occurrence and your pet otherwise acts normally, try withholding food for about 12 hours to give their tummy some rest, suggests Sheen. After that, you can offer your pooch a bland diet consisting of boiled chicken and white rice for the next 24 to 48 hours to see if the vomiting stops.
Are Chihuahua`s stomachs sensitive? Chihuahuas can be quite fussy, and they are prone to sensitive stomachs. A human-grade dog food with limited ingredients could improve their appetite while preventing a flare of vomiting or diarrhea.
Make your dog a batch of rice, white chicken meat with the skin removed, and cottage cheese. You can also use plain hamburger meat that has been boiled and drained from fat. Initially feed your dog small amounts of this bland food and once 4 hours has passed without vomiting, then you can give your dog a little more.
Your puppy will vomit and have diarrhea if canine parvovirus is present in their system. Vomit may be clear or a yellow or brown color, and diarrhea will often contain blood and be a light yellow or mustard colored hue.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Q. My 3 month old chihuhaha keeps vomiting white and yellow frothy stuff and his pooh all of a sudden turned soft and yellow . What’s going on?
ANSWER : A. It sounds like a tummy bug. Due to the size of your dog It is worth having it checked by your vet as soon as possible as little pets can go downhill and become dehydrated very quickly.

Q. I’m almost positive my dog is afraid of the dark! Every time I turn off the light she starts crying! Is there a way I can teach her not to be afraid
ANSWER : A. You may need to take things very slowly. First off, you should consider using a night light in the room you have your dog in. I have a night light in my room for my dog, even though I don’t feel the need to use one. You should have a handful of treats, and toss several of them to your dog. While your dog is eating the treats, shut off the light, and then turn it back on and toss several more treats to your dog. While your dog is eating the treats, turn off the light and count to three, then turn it back on. Toss several more treats to your dog, turn off the light and count to five. Turn the light back on, toss several more treats to your dog, shut off the light, count to four. Turn on the light, toss treats, turn off light, count to eight. Turn on light, toss treats, turn off light, count to five. The key is to randomly increase and decrease the amount of time the pup is in the dark. Work on it slowly, slowly build duration. Do not expect it to happen all in one session.

Q. My puppy is throwing up her food this morning and yellow foamy stuff. Please help!
ANSWER : A. If the vomiting has only occurred once, it may be due to the fact that there was something causing a minor upset stomach in your pup. Yellow foam is often acid, and tummies that are upset or that have been empty for too long can cause this to appear in vomit. It may just be that your puppy needs an extra meal in the day to help keep her stomach happy. Eating a meal too quickly can also cause a pup to vomit up undigested food and foam, and feeding smaller meals more often, or slowing down your dog’s eating can help.

If the vomiting has only happened once, pick up your puppy’s food for an hour or two and then offer a bland meal of plain boiled chicken and plain rice. These bland ingredients can help settle upset stomachs while being enticing “people food”. If the vomiting does not occur again, you can return to a normal feeding schedule.

However, if the vomiting continues, worsens, or new symptoms appear along with it, then it is a good idea to schedule an appointment with your vet to rule out any more serious causes.

Q. Which common foods are poisonous to pets?
ANSWER : A. That’s a great question. As responsible pet owners we need to be aware of food items that can be harmful to our canine or feline companions. Here are some of the most common foods proven to cause illness in our animals at home:

Chocolate: A favorite and irresistible treat amongst most humans, chocolate is considered toxic to dogs. In very small amounts it is usually not a huge issue, but with larger volumes and with darker chocolates pet owners should be concerned. Chocolate contains methylxanthine theobromine, which is similar to caffeine. Chocolate ingestion can cause vomiting, diarrhea, hyperactivity, issues with normal heartbeats, seizures, and in some severe cases, death. It is best to keep your favorite chocolate treats in a good hiding spot and out of reach of your dog or cat.

Grapes and raisins: Dogs should not consume grapes and raisins because of the risk of acute kidney failure. Most dogs experiencing grape or raisin toxicity will begin to have vomiting and/or diarrhea within 6-12 hours of ingestion. Other abnormal clinical signs include lethargy, abdominal pain, dehydration, and tremors. Kidney failure develops within 24-72 hours of the initial ingestion. There are some dogs that do not experience these devastating side effects. It is best to contact your veterinarian or veterinary emergency facility if you believe your pet has ingested grapes or raisins.

Garlic and onions: We often forget that our meals contain these two popular ingredients and will allow our furry companions a few bites or licks. Onion and garlic both can cause a type of poisoning that results in damage to red blood cells, making them more likely to rupture. They can also cause stomach upset and mouth irritation. Look for pale gums, increased breathing or drooling or any vomiting or diarrhea.

Bread dough: Unbaked bread dough is considered poisonous to our pets. The bread dough, when ingested, expands in the stomach because of the warm and moist environment. This can lead to a bloated or even twisted stomach. In addition yeast is often added to our baking products to help get bread to rise, and when this yeast is fermented it produces both carbon dioxide and alcohol. The alcohol produced can be absorbed into the bloodstream and causes dangerous drops in blood sugar, blood pressure and body temperature. Common clinical signs include vomiting or retching, distension of the stomach, weakness and collapse.

Macadamia nuts: Ingestion of these nuts are not proven to be fatal in dogs but can cause them to experience uncomfortable clinical sings, including fever, joint stiffness, vomiting, tremors and difficulty walking, especially in their hind legs. Often your pet will start to feel better after about 48 hours, but supportive veterinary care (such as pain medication) may help ease their discomfort.

Xylitol: The most common ingredient used in sugar-free gum is xylitol, which is a non-caloric sweetener. It is also found in some oral rinses, toothpastes and vitamins. Xylitol and dogs do not mix – it can cause a dangerous drop in blood sugars levels. Dogs will often display signs of disorientation, black tarry stool, tremors and seizures. If severe enough some dogs have developed liver failure. Keep your gum away from your canine companion.

Avocados: Avocados are not actually poisonous to dogs or cats but as many veterinarians can tell you the avocado pits can cause a foreign body obstruction. Avocados contain persin, which is actually toxic to the majority of pet birds. The abnormal clinical signs associated with avocado ingestion in birds include, respiratory distress, inability to perch, liver and kidney failure and sudden death.

Go forth and enjoy your favorite foods, but keep in mind which foods you should avoid sharing with your furry family members. Whenever in doubt, contact your veterinarian for healthy and safe food suggestions.

Q. My French Bulldog (11 months) threw up after eating and is dry heaving, plus he’s not acting normal. His breathing is nasally and he’s lethargic. Help
ANSWER : A. Vomiting is a common symptom that can be a sign of numerous health issues ranging from minor digestive upset, to bloat or internal illness. If the vomiting has only occurred once and everything else is normal, a bland diet of plain boiled chicken and white rice can help.

Since your Frenchie is having other issues such as trouble breathing and lethargy, it may be a good idea to contact your vet for advice. Minor digestive upset can cause lethargy due to the energy expended in vomiting, however prolonged symptoms usually indicate something more serious is going on.

Bulldogs are one breed that are prone to bloat (though any breed of dog can be affected), a serious medical emergency. Signs of bloat can include a suddenly painful and bloated abdomen, signs of distress such as heavy panting, whining, or trouble breathing, pale gums and tongue, vomiting and diarrhea, or attempting to vomit or defecate without success. If you suspect your dog may be experiencing bloat please contact your vet or emergency clinic immediately.

Q. My puppy refuses to walk outside on the leash. This only happens when we’re outside… Is it stubbornness or fear?
ANSWER : A. It is never stubbornness. Dogs are not stubborn, they can’t be. Dogs do not generalize well, and dogs display fearful behavior that appears to be stubbornness. Absolutely NEVER force this dog to walk outside when he is uncomfortable with doing so.. the more you force him to do it, opposition reflex – the more he will resist. The more he resists and is forced into it, the less he learns about being comfortable, and the more he becomes fearful of you and of the situation.

What you can do is carry extremely high value treats outside with you. Things like cooked white meat chicken, cooked fish, turkey pepperoni, turkey bacon, diced ham, mozzarella cheese sticks – all cut up into tiny little pea-sized pieces. You can also use peanut butter in a squeeze tube. First, put on the leash indoors and begin feeding him the treats. Help him make positive associations with having the leash put on. Then, take the leash off, and start over in 10min. Put the leash on, feed treats, walk to the door, open the door, feed treats, close door, take off leash. Start over in 10min. Put on leash, feed treats, go to door, feed treats, open door, feed treats, go outside, feed tons of treats and praise. Keep Titus in his comfort zone. If he doesn’t want to go far, just feed him tons of treats where he IS comfortable going. Make sure everything is calm/happy/positive. I bet in a week of doing this, he will be happy with walk further and further all of the time. If ever he is uncomfortable, feed him lots of treats for being a brave boy, and then turn around and go back home. It’s all about keeping him in his comfort zone.. it’s all about remaining within his threshold and never forcing him to feed uncomfortable.

This is very common for puppies. The world is scary! It’s brand new to them, and it’s up to you to make their interactions and discoveries positive, happy, calm, and to never force them into anything.

Q. He is not eating or drinking seems like he has no energy and vomiting and seems like he weak
ANSWER : A. Causes of not eating and vomiting can be many. Gastrointestinal infection, caused by bacteria (salmonella, for example) or viruses or parasites (although parasite infections tend to be more mild, but giardia can make them feel pretty bad) can be a cause. Eating something he shouldn’t have, like the trash or rotten food can cause it. Intestinal obstruction can cause vomiting as well. Other causes (non-GI) of vomiting include kidney failure (can be due to many things, such as toxins, kidney stones, cancer) or liver diseases or liver failure.

The vomiting is concerning, however the weakness and lack of energy implies that he’s either seriously dehydrated or there’s a lot more going on than just s simple case of vomiting. He needs to see a vet and have testing, likely to include x-rays and/or blood work, to see what’s going on, so that it can be treated.

Q. My dog has been throwing up a clear liquid (a little slimey) but otherwise acts fine. Could something be wrong?
ANSWER : A. How long has he been doing this? Ongoing vomiting (>2 weeks) warrants a vet visit, but if it’s a one-off, or happens very infrequently then it could be due to something he ate disagreeing with him. Is he is bright, alert and happy in himself I would monitor him, start keeping a vomit journal (seriously) of when he vomits, how much, what the vomit was like, what he was doing before and any other notes. This will be really useful for your vet if it requires further investigatoon. You can also try bland food – boiled chicken and white rice – in small amounts on his vomit days to give his tummy a rest. Withhold for 8h after a vomit and reintroduce the bland diet in small, frequent meals.