Treatment FAQ

how long after treatment do kittens test positive for giardia

by Prof. Leland Berge Published 3 years ago Updated 2 years ago

The prognosis is good in most cases. Debilitated or geriatric animals and those with incompetent immune systems are at increased risk for complications, including death. All pets diagnosed with Giardia should be re-tested two to four weeks after completion of treatment.

Full Answer

How long does it take for Giardia to show symptoms in cats?

Giardia Symptoms. When a cat first becomes infected with giardia cysts, there is a one- to two-week incubation period.

Should I get my Cat tested for Giardia before bringing home?

And when bringing a new pet home, it is always encouraged to have an exam and stool check for parasites as well as Giardia testing before bringing the pet home and around other animals. Does Giardia in cats go away?

How do vets test for giardia in dogs?

If your veterinarian suspects giardiasis, a sample of stool may be analyzed for the presence of Giardia specific antigens (cell proteins). Some Giardia tests are available for in-clinic use while other tests require submittal to a reference laboratory.

How long do Giardia antigens remain in feces after treatment?

It is currently unknown how long Giardia antigens will persist in feces after successful treatment (resolution of diarrhea). In one study in our laboratory (ML), 62.5% of Giardia cyst or antigen positive dogs administered fenbendazole or nitazoxanide previously were again positive for cysts or antigen on day 34.

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How long does Giardia last after treatment in cats?

Recovery and management of Giardia in cats In most cases it takes 3 to 5 days for the parasites to be cleared from the stool and 5 to 7 days for symptoms to resolve.

How long does Giardia medication take to work?

This medication should take effect within one to two hours, and while effects may not be visibly noticed immediately, gradual improvements are usually noticeable after a few days. Exposure to this medication may lead to adverse effects in pregnant humans, so care must be taken to avoid accidental exposure.

How long does it take for Giardia to go away after antibiotics?

People with giardiasis will usually feel better and no longer have symptoms within 2 to 6 weeks.

How quickly does metronidazole work for Giardia cats?

After the first dose, it takes 1 to 2 hours for your cat's body to absorb the medication. Your cat's diarrhea should start to get better in a few days. Make sure your cat finishes the entire course of metronidazole ordered by the vet, even if their diarrhea has totally cleared up.

When should I retest for Giardia after treatment?

All pets diagnosed with Giardia should be re-tested two to four weeks after completion of treatment.

How long does Panacur take to work on Giardia?

This medication should take effect within 1 to 2 days, but visible effects will take the entire duration of treatment to be recognized.

What naturally kills Giardia in cats?

Prevent and kill parasites: Coconut oil can even kill giardia, one of the nastiest bugs affecting dogs and cats. It can also kill fleas when rubbed on problem areas and allowed to set in. Condition coat: Rub a dab of coconut oil between your palms then give your pet a good massage.

What does Giardia poop look like in cats?

Giardia infection in cats may lead to weight loss, chronic intermittent diarrhea and fatty stool. The stool may range from soft to watery, often has a greenish tinge to it, and occasionally contains blood. Infected cats tend to have excess mucus in the feces.

How long does mild Giardia last?

Symptoms generally last anywhere from 2 to 6 weeks. In people with weakened immune systems (e.g., due to illness such as HIV), symptoms may last longer. Healthcare providers can prescribe the appropriate antiparasitic medications to help reduce the amount of time symptoms last.

Can cats get Giardia twice?

Prevention of Feline Giardia Complete elimination of Giardia is difficult because cysts are immediately infective when shed, making reinfection highly possible.

How long does it take for antibiotics to work in cats?

This medication will take effect quickly, in about 1 to 2 hours. While effects may not be noted outwardly, gradual improvements are usually noticeable after a few days.

How long should cats take metronidazole?

In cats, Giardia lives in the lower small intestine (dogs in upper intestine) and signs can often be associated with colitis-like large bowel signs. The treatment of choice for years has been metronidazole. Currently, metronidazole at a dose of 15–25 mg/kg orally once or twice daily for seven days is recommended.

Will giardia go away on its own in cats?

Cats with fully competent immune systems are often able to deal with giardia infections on their own, which is partly why asymptomatic cases are so...

How long does cat giardia last?

Giardiasis can cause diarrhea that can continue for days, weeks or even months. With treatment, the condition should resolve within days or weeks.

Can my cat give me giardia?

There is a theoretical risk of a human picking up Giardiasis from a cat, but this is exceptionally rare. As noted above, human infection is only li...

How is giardia diagnosed in cats?

As noted above, there are a range of different diagnostic tests that can be used to diagnosis giardiasis, each with pros and cons.

How long does it take for a cat to get giardia cysts?

When a cat first becomes infected with giardia cysts, there is a one- to two-week incubation period. Once the incubation period is over, the body begins reacting with diarrhea that may be watery. This will progress to a soft stool with a foul odor and is usually accompanied by abdomen pain and weight loss.

What is the best medicine for giardia in cats?

Giardia in cats is most commonly treated with a medicine called Flagyl. The medication will be administered in several doses, and the fecal matter of the cat should be tested after the last dose to ensure successful treatment. There is no medication or vaccine to prevent reinfection in cats, and many owners find the cycle very hard to break.

How does giardia spread?

Giardia is spread from cat to cat in a household through food, water and litter boxes. To avoid reinfection, all surface the cats come in contact with should be sanitized regularly.

Can a cat get giardia?

Giardia is a single-cell organism that enters a cat's digestive tract through oral contamination. It is most commonly found in households with multiple cats or catteries. Giardia is extremely difficult to remove from the environment, so cat may be negative when the treatment is over and immediately become reinfected.

How long does it take for a cat to recover from giardia?

Recovery and management of Giardia in cats. Once a cat is infected, there is a 1 to 2 week incubation period. After that time, the body can start to react, so the sooner medication is administered, the more quickly recovery can begin. In most cases it takes 3 to 5 days for the parasites to be cleared from the stool and 5 to 7 days ...

How do you know if your cat has giardia?

Other signs of a giardia infection include: In severe cases, cats may become dehydrated, lethargic, and exhibit poor body condition. Not all cats infected with giardia become sick right away; some host the organism for several years and pass it on to other cats before they show any clinical signs.

What is a giardia in cats?

Giardia in Cats. Giardia is an intestinal parasite that can affect both animals and humans. These tiny organisms live in the small intestine and can cause serious illness in infected cats. Infection among cats and dogs is common, with a widespread rate of 5–15%.

Why is it so hard to get rid of giardia in cats?

The elimination of the disease can be difficult because some giardia strains can be resistant to medication. As a result, multiple drugs or more than one attempt at therapy may be needed. Supportive therapy is also important. A low-residue, highly digestible diet is recommended until the cat’s stool hardens.

How to help a cat with diarrhea?

A low-residue, highly digestible diet is recommended until the cat’s stool hardens. Ensure your cat is drinking enough water: prolonged bouts of vomiting and diarrhea can bring on dehydration. It is also important to bathe your cat thoroughly to ensure there are no parasites hiding in the fur.

How long is a cat on Metronidazole?

Treatment is given orally for 3 to 5 days and is safe for pregnant cats. Metronidazole: This medication appears to be more effective in cats than in dogs. Treatment is given for 5 to 7 days and is not safe for pregnant cats.

What test is used to identify giardia eggs?

If present, giardia eggs will float to the top and stick to the cover slip, allowing for microscopic identification. Fecal smear test: Usually performed in conjunction with the fecal flotation test, this diagnostic test helps identify possible causes of diarrhea.

What is the name of the parasite that causes bear fever?

Giardiasis (also known as “Beaver Fever”) is a condition that develops in mammals following infection with the intestine-based microscopic protozoan parasite Giardia lamblia (also known as Giardia duodenalis and G.intestinalis). Humans may rarely have the potential to be infected with these intestinal parasites, which adds an extra note of concern to carers when pets are diagnosed.

How long does it take for a cat to get a giardia cyst?

Infected cats pass Giardia trophozoites or cysts in their feces from 5 to 15 days after they pick up infection. The organism is passed on to other cats either by direct contact, or by indirect contact via food, water or objects in the environment such as a litter box.

What is giardiasis in cats?

Giardiasis In Cats: Causes, Symptoms, & Treatment. This article aims to explain the details of Giardiasis, a parasitic disease that can affect many mammalian species, including cats, dogs and humans. The aim of this article is to provide a simple, clear explanation about Giardiasis for cat owners. What Is Giardiasis?

Why is it so hard to diagnose a cat?

Control in a group of cats can be difficult, due to the presence of asymptomatic carriers.

Why are cats more likely to get infected?

Younger cats (e.g. less than six months of age) are also more likely to be infected due to their relatively less effective immune defences. Adult cats are more likely to be asymptomatic carriers.

How many cats have parasites?

The parasite can affect all mammals, and has been found to be present in 5 – 15% of cats and dogs, although often these infections are asymptomatic, and their carers are not aware of the issue.

How to diagnose giardiasis in cats?

Diagnosis Of Giardiasis. If your DVM veterinarian suspects that your cat may have Giardiasis, the following steps may be taken. 1. Detailed history taking. Your vet will discuss every aspect of your cat’s life and health care, including contact with other cats and medical history.

How to treat a cat with a parasite?

Treatment is typically done on an outpatient basis unless the infection has caused your cat to become sick and weak. Prescription drugs, along with thoroughly bathing your cat, should be sufficient for removing the parasite from your cat's body and reducing the likelihood of repeat infection.

How does giardia spread?

One of the methods by which this parasite spreads is through the ingestion of infected fecal material, as the cysts are shed out of the intestines through the feces. But, the most common cause of transmission is actually waterborne, as the giardia parasite prefers cool and moist environments.

What is the most common intestinal parasite in cats?

Giardiasis is a medical condition that refers to an intestinal infection caused by the protozoan parasite giardia, and this parasite can also infect animals, including cats. Giardia is the most common intestinal parasite found in humans.

How do cats get a cyst infection?

Contamination can be from direct or indirect contact with the infected offspring (cysts), but typically, cats will acquire the infection by ingesting the infectious cysts that are shed by another animal through its feces. The organisms, once ingested, make their way into the intestine, often causing diarrhea.

How many cats have kennel infections?

Up to 100 percent of animals housed in kennels will develop this infection due to massive exposure and closely shared living spaces. In general, the prevalence of infection in cats is relatively low -- only 11 percent are diagnosed with the infection.

What are the symptoms of cat diarrhea?

In some cases, cats will exhibit diarrhea that is soft, frothy, greasy, and with a strong, awful odor or excessive mucus.

Can a giardia smear be positive?

A fecal smear is normally sufficient to test for their presence of the giardia parasite, since the organism is primarily detected in the feces, although it is possible to have a false positive result from the test.

How to get rid of giardia in cats?

Clean dogs’ and cats’ environment (for example, holding areas, floors, crates) and wash water bowls daily with soap and water.

How long after medication can you clean a giardia?

If your pet is taking medication, clean and disinfect potentially contaminated items frequently (daily if possible) until a few days after the last dose of medication is given. Giardia survival depends on many factors, so we recommend that you consult your veterinarian for further advice.

How long can a gerardia live in water?

Giardia can survive for several months in cold water or soil. Giardia can survive much longer in soil at colder temperatures than at room temperature. Giardia can survive longer in water at colder temperatures (for example, lake or puddle water during the winter, refrigerated water) than at warmer temperatures (for example, tap water, ...

What to do if your dog has diarrhea that is not going away?

If your pet has diarrhea that is not going away, seek veterinary care. Diarrhea has different causes and could result in dehydration or other serious problems. Diagnosis and treatment of Giardia infection must be done by a licensed veterinarian. No approved over-the-counter treatment is available for Giardia infection.

Can Giardia be shared with humans?

If you own other household or exotic pets, contact your veterinarian for more information. Some strains of Giardia can be shared between humans and animals, including chinchillas, beavers, birds, opossums, and monkeys.

Can a dog have giardia?

and Pets. Dog and cat stool (poop) can contain Giardia germs and may make people sick even when the pet appears healthy. Symptoms of Giardia infection in both people and pets can include diarrhea, gas, abdominal discomfort, nausea, and vomiting. It is possible to be infected and have no signs or symptoms of illness.

Why is giardia bad for kittens?

Kittens are susceptible to opportunistic microorganisms such as giardia because their immune systems are not fully charged. Keeping kittens safe from this little monster germ is important if you want to raise a happy, healthy kitten.

What is the scientific name for a giardia?

They're single-celled little creepy dudes that look a lot like jellyfish under a microscope. The scientific name for giardia is Giardia intestinalis or Giardia lamblia. Giardia are zoonotic parasites, meaning they can be passed from an animal to a human.

What does it mean when a kitten's fecal matter is yellow?

The fecal matter sometimes appears yellow or greenish, may contain mucus or be foamy or watery. There may be traces of blood. The kitten may lose his appetite and can lose weight. Be very careful when scooping the litterbox or wiping your kitten's fuzzy little behind, or you will become sick as well.

Can kittens get giardia?

Kittens can get all kinds of nasty little infections and infestations from their mother through nursing, but giardia are most commonly ingested after the kitten is weaned. The mother cat, and other kittens in the litter, shed giardia cysts in the environment where kittens are living, nursing and eliminating.

Can giardia affect cats?

Kittens become weakened by the diarrhea caused by giardia, making them susceptible to more serious diseases. Giardia wouldn't necessarily threaten the life of a healthy adult cat, but in kittens and immunocompromised adult cats it can be devastating. Have your vet check your kitten out as soon as you suspect giardia.

How to prevent giardia?

Prevention of Giardia infection involves boiling or filtering of water collected from the environment prior to drinking and disinfection of premises contaminated with infected feces with steam cleaning or quaternary ammonium compounds (1 minute contact time).

How long does it take for fenbendazole to work on dogs?

If treatment deemed indicated by the clinician and owner, many clinicians currently recommend that a 5 day course of fenbendazole be administered for apparently healthy dogs and cats that test positive for Giardia.

What is the rate of false positives?

There is approximately a 2–5% false positive and 2–5% false negative rate for the assays. While it is unknown why false positive rates occur, it is likely that other antigens are non-specifically binding to the reagents. False negative results likely relate to the sensitivity cutoffs of the individual assays.

Can you use Giardia antigen test in a recheck?

Currently it is not recommended for any of the Giardia antigen tests to be used as a recheck test in the early post treatment phase. As discussed, it is currently unknown how long Giardia antigens will persist in feces after successful treatment.

Can Giardia spp. cause disease?

Host specificity was thought to be minimal for Giardia spp., but not all small animal isolates cause disease in human beings. There have been varying results concerning cross-infection potential of Giardia spp. Human Giardia isolates usually grow in cell culture, animal isolates often do not. Recent genetic analysis has revealed 2 major genotypes ...

Can dogs get giardia?

However, healthy pets are not considered a source of Giardia for HIV infected people by the Centers for Disease Control. Giardia should be on the differential list for any dog or cats with acute or chronic small bowel diarrhea. However, clinical disease associated with Giardia appears to be more common in puppies and kittens.

Can a drug cause re-infection in animals?

Treatment of healthy animals is controversial because all of the drugs can potentially cause side-effects, animals with normal stools are not considered human health risks, treatment is unlikely to eliminate infection, and re-infection can occur within days.

Can pregnant women have cats?

For that reason alone you might imagine that the CDC and doctors in general would advise pregnant women not to have a cat in the home, and certainly not a cat who tested positive for taxoplasmosis, but actually that is not the recommendation as it isn't necessary. See CDC link below.

Do you clean a cat's bowl before giving it to another cat?

Yes we clean and disinfect them before giving a used bowl to another animal, but that's a different situation. But cleaning a bowl that is in a cage isn't needed because for the infected cat, they are already infected, and since they are quarantined, the infected bowl isn't going outside of the room.

Is Giardia a parasite?

Just like with Giardia it shares the following qualities: it is a parasite, it is shed in feces, it is contagious by the same route or vector - fecal to oral. Like Giardia it is hardy in the environment. And it is very dangerous to unborn children.

Can I have more than one giardia cat?

Yes, I have more than 1 cat and the giardia cat is quarantined in a separate room. Fecal matter is removed as soon as possible (she is going over night so it is in her litter for a few hours until I can remove it in the morning). All litter and the box are thrown out. Fecal matter is kept away from the other cats.

Can you touch your hands after a cat is bitten?

As far as you catching it, as the CDC makes clear, the type of Giardia that infects cats typically doesn't make people sick, but to be safe, don't touch your hands to your face or mouth while cleaning the litter or after handling the cat and wash your hands after. So that is a very long winded answer.

How many puppies have intestinal infections?

Up to 50 percent of young puppies will develop this intestinal infection, and up to 100 percent of dogs housed in kennels will develop it due to the massive exposure and closely shared living spaces.

Why do parasites shed in animal feces?

Causes. One of the most common causes of the parasitic infection is the ingestion of infected fecal material, as the cysts are shed in animal feces. The most common cause of transmission is actually waterborne, as the parasite prefers the cool and moist environment.

Can dogs have diarrhea?

In some cases, dogs will exhibit diarrhea that is soft, frothy, greasy, and with a strong, awful odor or excessive mucus.

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