Signs that a dog has worms include visible worms in feces, vomiting, diarrhea, weight loss, and a change in appetite. Scooting and an itchy rear end are also common symptoms. A vet can confirm the presence of worms and prescribe the appropriate treatment.

Key Takeaways
- Presence of worms in dog’s feces indicates infestation
- Symptoms of worm infestation include increased vomiting frequency, diarrhea, unexplained weight loss, and changes in appetite
- Skin issues such as lackluster coat, skin irritation, excessive scratching, and redness can be caused by worms
- Regular deworming, maintaining cleanliness, and controlling fleas can help prevent worm infestations
Identifying Worms in Your Dogs Feces
One of the clearest signs you’ll notice if your dog has worms is the presence of these parasites in their feces.
This alarming clue points to a worm infestation, which can arise from various causes, such as ingesting contaminated soil, fleas, or eating infected prey.
You’ll want to address this issue promptly to prevent further health complications for your dog.
Understanding the treatment options for worm infestations is crucial. You’ll need to consult with your vet, who can recommend medications that specifically target the type of worms plaguing your pooch. These treatments may include oral medications, injections, or topical applications.
Vomiting as a Symptom of Worms
If your dog is vomiting more often than usual, it could be a sign of worms. Sometimes, you might even spot worms in the vomit, which is a clear indicator of an infestation.
Keep track of how frequently your dog vomits, as this symptom should prompt a visit to the vet.
Vomit Worm Identification
While you may find it unsettling, discovering worms in your dog’s vomit is a clear indication that they’re infested with parasites. If you notice a change in vomit color, like a yellowish or blood-tinged hue, it’s especially important to pay attention to the presence of these unwelcome guests.
Worms may appear as small, rice-like segments or long, spaghetti-like strands. As soon as you identify worms in your dog’s vomit, consult with your vet to discuss worm treatment options. They’ll likely recommend a course of antiparasitic medication tailored to tackle the specific type of worm infestation your dog has.
Prompt treatment can help your dog return to their healthy, happy self.
Frequency of Vomiting
You’ll also want to take note if they’re vomiting more often than usual, as increased frequency can signal a parasite infestation. Vomiting now and then may not be a cause for alarm, but if you’re noticing it’s happening more regularly, it’s time to delve into the causes of vomiting.
Beyond dietary indiscretions or stress, worms can upset your dog’s stomach and lead to persistent vomiting.
This symptom shouldn’t be ignored, as it can indicate a serious health issue. Keep an eye on how frequently your dog vomits, and if it’s occurring more than once or twice a month, a trip to the vet is warranted.
Timely intervention can prevent more severe complications and get your dog back to feeling their best.
Worms Can Cause Your Dog to Have Diarrhea
If your dog has diarrhea, it may be a sign they’re suffering from worms.
Pay attention to the consistency of the stool, as changes can indicate the severity of the infection.
You’ll need to seek treatment to address this uncomfortable symptom and get rid of the worms that may be causing it.
Causes of Diarrhea
Diarrhea in your dog can be a direct result of worm infestation, as these parasites disrupt the normal function of the digestive system. When your dog’s intestines are infected with worms, their ability to absorb nutrients and water is compromised, leading to loose or watery stools.
This can be one of the causes of dehydration, especially if the diarrhea is severe or persistent.
Of course worms are not the only thing that can cause your dog to have diarrhea. Dietary changes can also contribute to diarrhea in dogs. If you’ve recently changed your dog’s food or they’ve eaten something they shouldn’t have, their digestive system may react with diarrhea. Always transition your dog’s diet gradually and be mindful of their individual sensitivities to prevent digestive upset.
Diarrhea Consistency Changes
Your dog’s stool may become unusually soft, watery, or contain mucus when they’re infested with worms. This is a clear sign that your dog might need a check-up for intestinal parasites. When you observe such changes, it’s crucial to consider diarrhea treatment options and how you might manage diarrhea at home.
Here are the changes you might see:
- Liquefied Feces: The stool can take on a liquid form, making it difficult to pick up.
- Mucus-Lined Stools: You may notice a jelly-like coating, which is often a sign of irritation in the intestines.
- Frequent, Small Amounts: There might be an increase in the urgency and frequency of bowel movements.
- Color Changes: Look out for unusual colors that may indicate internal bleeding or infections.
Treating Worm-Related Diarrhea
Upon confirming that worms are causing your dog’s diarrhea, you’ll need to consult with your vet for the most effective treatment plan. They’ll likely prescribe medication specifically for treating worm infections. These drugs are designed to eliminate the parasites safely and quickly, helping to alleviate symptoms, including diarrhea.
While there’s no substitute for veterinary medicine, you can ask about natural remedies for worm-related diarrhea to support your dog’s recovery.
Some pet owners use pumpkin seeds or carrots as complementary treatments because of their natural deworming properties. Remember, these shouldn’t replace prescribed treatments but can be discussed with your vet as part of a holistic approach to your dog’s health.
Always prioritize professional advice to ensure your dog gets back to feeling their best.
Unexplained Weight Loss
If you notice your dog is shedding pounds without any change in diet or exercise, it could be a sign of a worm infestation.
Unexplained weight loss often accompanies these silent freeloaders as they steal nutrients from your dog. Keep an eye out for other symptoms that might point to a problem below the surface, such as worm related skin issues, which can manifest alongside weight changes.
Here’s what to watch for:
- A visibly slimmer waist and less muscle mass.
- Ribs or hip bones that appear more prominent than usual.
- A dull, lifeless coat that might also hint at nutrient deficiency.
- Sudden decrease in energy levels, making your pup less enthusiastic about playtime or walks.
Changes in Appetite
If you notice your dog’s appetite has either increased or decreased significantly, it may be indicative of a worm infestation. Changes in appetite often accompany weight loss as clear signs that your dog might be dealing with unwelcome parasites.
While an increased appetite might seem less intuitive, some dogs do experience this due to the worms consuming the nutrients from their food.
Here’s a quick reference to observe your dog’s eating habits:
Increase in Appetite | Stable Appetite | Decrease in Appetite |
---|---|---|
Consistent overeating | Normal eating patterns | Refusing food or eating less |
Sudden interest in food | No significant change | Lack of interest in favorite treats |
Eating non-food items | Maintains usual weight | Associated with noticeable weight loss |
Keep a close eye on these changes and consult your vet if you’re concerned.
Scooting and Itchiness – A Clear Sign of Worms
If your dog starts scooting or showing signs of itchiness around their rear end, this is a clear telltale sign of worms. This discomfort can lead to your dog dragging their bottom on the ground in an attempt to relieve the itch. Here’s what to keep an eye out for:
- Your dog persistently dragging their behind across the carpet or grass
- Frequent licking or biting at their backside
- Redness or swelling near their rear
- Noticeable discomfort when sitting or lying down
Dull Coat and Skin Issues
A dull coat and skin issues can also indicate your dog may have worms, leading to a lackluster appearance and potential skin irritation. Parasites rob your dog of essential nutrients, which often results in poor skin health.
Causes of skin issues can range from nutritional deficiencies to infections triggered by worms. You’ll want to keep an eye out for excessive scratching, redness, or bumps on your dog’s skin.
When noticing these signs, it’s crucial to seek veterinary guidance. Treatment for skin problems usually involves eliminating the worms. Your vet may prescribe dewormers that are highly effective in clearing the infestation.
Preventing Your Dog From Getting Worms
To prevent worm infestations in your dog, it’s crucial you adhere to a regular deworming schedule. This routine is your frontline defense in preventing reinfestation, ensuring those pesky parasites don’t make a comeback.
- Administer Prescribed Dewormers: Follow your vet’s recommendations to keep your dog on a strict deworming regimen.
- Maintain Cleanliness: Regularly clean your dog’s living area and dispose of feces promptly to minimize the risk of worm eggs spreading.
- Control Fleas: Fleas can carry tapeworms, so keep your dog flea-free with appropriate treatments.
- Explore Natural Remedies: Some pet owners advocate for adding natural supplements, like pumpkin seeds or garlic, to your dog’s diet, but consult with your vet first.

Bryan Harkins is an avid dog lover and the proud owner of dogdorable.com, a website dedicated to all things canine. With years of experience working with dogs, Bryan is passionate about providing valuable information, tips, and resources to help pet owners provide the best possible care for their furry companions.