When dogs vomit worms, it is usually due to an infestation of roundworms. Under certain circumstances, deworming can also result in the long parasites being let out when nausea occurs. This is the most common type of worm in dogs.
Roundworms are so common that almost every dog will get these parasites at some point in their life. This is especially common with puppies. Two types are distinguished here:
- Toxocara canis: very common
- Toxascaris leonina: less common
Both of these roundworms can grow up to 18 cm long and can be transmitted to humans. According to studies, one in four strays is affected by this. [1]
In most cases, such worms are transmitted by other affected dogs when your four-legged friend eats the feces or vomit of other animals.
In rare cases, the eggs are also transmitted by eating infected mice or by rolling around on contaminated soil.
Puppies also often get roundworms through their mother's milk. Even healthy dogs can carry parasite eggs.
The worms in vomit are usually roundworms called “Toxocara canis” and “Toxascaris leonina”, which are up to 18 cm long. They are usually transmitted when the dog has eaten the feces of other animals.
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Symptoms
Visible symptoms usually only appear when the worms have multiplied significantly. This can often take several months.
Nevertheless, roundworms are considered relatively harmless because they only feed on the nutrients the dog consumes. [2]
Because these worms reside primarily in the stomach, they often come out when vomiting or in the stool. Other typical symptoms of this are:
- Diarrhea
- Listless behavior
- weight loss
- Visible worms on the anus
- Chronic flatulence
- Loss of appetite
- Nutrient deficiency
- Small white eggs in feces [3]
If the infestation is severe or is not treated, the worms can also travel to the lungs and cause coughing and pneumonia.
The effects of worms are usually more severe on puppies because their immune systems are not yet fully developed
Roundworms usually only show up in dogs when they have already multiplied significantly. Among other things, the four-legged friends often get diarrhea, vomit worms, have long-lasting flatulence and appear listless.
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Treatment
For successful treatment, a diagnosis is first necessary. For this purpose, the dog's stool is usually examined under the microscope.
The problem? If the infestation is mild, there may be no eggs or worms in the dog's feces. For this reason, deworming is often carried out intentionally. [4]
In the past, tablets were usually mixed with food for this purpose. However, drops are now preferred because dogs often let tablets out.
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After a week, a worm treatment is successfully completed. Since it can only kill live worms and not eggs, you should repeat this procedure every 2-3 months.
After treatment, it is also common for the dog to vomit the dead worms or pass them out in the stool. This is completely normal.
However, there is no long-term protection. In addition, a worm treatment only works for around 24 hours. After that, your dog could theoretically be infested again. [5]
To prevent reinfection, the dog bed and all other places should be thoroughly cleaned. Because the worms' eggs are hardly visible to us.
You should also carefully remove all piles of feces in the garden, clean the floor in the house thoroughly and also put the bowls in the dishwasher.
If there are worms in dog vomit, the treatment involves deworming using tablets or drops. This should kill all living worms within a few days. At the same time, it is important to prevent re-infestation.
prevention
Since worms are very common, adult dogs should be dewormed every 3 months. For puppies, however, a narrower cycle is recommended.
The first deworming should take place 2 weeks after birth. Then in a 2-week cycle until the 8th week of life and then in a 1-month cycle until the 1st year of life. [6]
Admittedly. There are definitely healthier things for the stomach and intestinal flora than a frequent worming treatment. However, the damage caused by a potential worm infestation is greater.
Because roundworms can also be transmitted to humans, special caution applies to children. In principle, they should only play in the garden where there is no droppings.
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