Giardiasis : Causes-Symptoms-Diagnosis-Treatment

 What is Giardia Infection (Giardiasis)?

Giardiasis could be a diarrhoeal sickness caused by the microscopic parasite flagellate protozoan duodenalis (or “Giardia” for short). Once an individual or animal has been infected with flagellate protozoan, the parasite lives within the intestines and is passed in stool (poop). Once outside the body, flagellate protozoan will typically survive for weeks or perhaps months. Giardia may be found in each region of the US and round the world.Giardia intestinalis is a microscopic parasite (too tiny to visualize with the naked eye). It can have an effect on humans and animals, akin to dogs, cats and wild animals. A parasite is an organism that wants another organism (like an individual or animal) to survive.


What is Giardia Infection (Giardiasis)?
 Giardia Infection



Flagellate protozoan is, additionally referred to as a flagellate protozoan infection, is an enteric sickness marked by diarrhea, cramps, nausea, and bloating. A little parasite referred to as Giardia intestinalis causes the infection. This bug lives all round the world in places that don’t have clean drinking water. It’s a typical explanation for waterborne illness within the U.S.Giardia parasites live around the world, in most countries and continents. It tends to be a much bigger drawback in countries with poor sanitation, akin to developing countries. however you'll be able to savvy virtually anywhere.

Within the United States, protozoal infection is the most typical parasitic infection to have an effect on the intestines.

  1. Digestive system

Medical terms

  • Giardia infection is an associate degree viscus infection marked by abdomen cramps, bloating, nausea and bouts of watery diarrhea. mastigophora infection is caused by a microscopic parasite that's found worldwide, particularly in areas with poor sanitation and unsafe water. mastigophora infection (giardiasis) is one in all the foremost common causes of waterborne malady within the United States. The parasites are found in backcountry streams and lakes however conjointly publically water supplies, swimming pools, whirlpool spas and wells. Mastigophora infection unfolds through food and person-to-person contact. Mastigophora infections sometimes clear up at intervals of many weeks. however you may have viscus issues long once the parasites are gone. Many medications are typically effective against mastigophora parasites, however not everybody responds to them.
  • hindrance is your best defense. Giardia infections are spread through the ingestion of contaminated water sometimes through ice made from contaminated water In addition you can get infected by drinking milk or eating cheese that was produced with contaminated water Giardia is also spread through direct contact with animals especially dogs and cats that may have ingested Giardia themselves 

Symptoms Giardia infection (giardiasis)

Giardia are often found in each region of the US and around the world. you'll be able to get protozoal infection if you swallow mastigophoran germs. Some folks with giardiasis haven't any symptoms at all. If signs and symptoms develop, they will vary and typically begin one to two weeks when turning into infected with mastigophoran.Some people with giardia infection ne'er develop signs or symptoms, however they still carry the parasite and may unfold it to others through their stool. For those that do get sick, signs and symptoms usually seem one to 3 weeks after exposure and may include:

  • Watery, sometimes foul-smelling diarrhea that may alternate with soft, greasy stools

  • Fatigue

  • Stomach cramps and bloating

  • Gas

  • Nausea

  • Weight loss

Signs and symptoms of mastigophoran infection could last 2 to 6 weeks, however in some individuals they last longer or recur.Symptoms of protozoal infection typically begin by having two to five loose stools (poop) per day and more and more increasing fatigue. Other, less common symptoms embody fever, fretful skin, hives, and swelling of the eyes and joints. Over time, giardiasis may cause weight loss and keep the body from engrossing nutrients it needs, like fat, lactose, sustenance A, and vitamin B12. Some people with mastigophoran infections haven't any symptoms at all.

When to see a doctor

Call your doctor if you have got loose stools, abdomen cramping and bloating, and nausea lasting over a week, or if you become dehydrated. take care to inform your doctor if you're in danger of mastigophoran infection — that is, you have a toddler in child care, you've recently traveled to a region wherever the infection is common, or you've enclosed water from a lake or stream. 

Causes Giardia infection (giardiasis)

Giardiasis can unfold through food or water. It conjointly spreads via surfaces contaminated with mastigophora cysts, or onerous shells that contain the parasite. Even supposing parasites want a bunch (another living thing) to survive, Giardia' shell permits the parasite to measure on its own for extended periods. folks unremarkably get giardiasis from swallowing the parasite in untreated water. Protozoal infection travels in even trace amounts of infected stool (poop) — amounts so tiny you'll see it. If you've got giardiasis, you can spread it to somebody else, even if you have no symptoms.Giardia parasites board the intestines of individuals and animals. Before the microscopic parasites are passed in stool, they become cased at intervals onerous shells referred to as cysts, that permits them to survive outside the intestines for months. Once inside a host, the cysts dissolve and therefore the parasites are released. Infection happens once you accidentally swallow the parasite cysts. This may occur by swallowing unsafe water, by uptake infected food or through person-to-person contact.

Swallowing contaminated water

The most common way to become infected with flagellate is once swallowing unsafe (contaminated) water. Flagellate parasites are found in lakes, ponds, rivers and streams worldwide, still as publicly available water supplies, wells, cisterns, swimming pools, water parks and spas. Ground and surface water will become infected with giardia from agricultural runoff, waste product discharge or animal feces. youngsters in diapers and folks with looseness of the bowels might accidentally contaminate pools and spas.

Eating contaminated food

Giardia parasites unfold through food — either as a result of food handlers with mastigophora infection don't wash their hands totally or because raw turn out is irrigated or washed with unsafe (contaminated) water. As a result of preparing food kills giardia, food could be a less common supply of infection than water is, particularly in industrial countries.

Person-to-person contact

You can get infected with flagellate protozoans if your hands become dirty with feces — oldsters' dynamic kid diapers are particularly at risk. therefore are child care staff and youngsters in child care centers, wherever outbreaks are more and more common. The giardia parasite may unfold through anal sex.

Risk factors Giardia infection (giardiasis)

The flagellate parasite may be a quite common internal organ parasite. though anyone will develop giardia parasites, some individuals are particularly at risk:

  • Children. Giardia infection is way more common in children than it's in a verydults. youngsters are more likely to come back connected with feces, particularly if they wear diapers, do restroom coaching or pay time in a child care center. Those that live or work with babies are at higher risk of developing flagellated protozoan infection. 

  • People without access to safe drinking water. Giardia infection is rampant where sanitation is insufficient or water isn't safe to drink. You're in danger if you visit places wherever mastigophoran infection is common, particularly if you aren't careful concerning what you eat and drink. The danger is greatest in rural or geographic region areas. 

  • People who have anal sex. People who have anal intercourse or oral-anal sex while not employing a safe or alternative protection are at enhanced risk of flagellate infection, furthermore as sexually transmitted infections. 

Complications Giardiasis

Giardia infection is nearly ne'er fatal in industrial countries. however it will cause lingering symptoms and heavy complications, particularly in infants and children. the foremost common complications include:

  • Dehydration. Often a result of severe diarrhea, dehydration occurs when the body doesn't have enough water to carry out its normal functions.

  • Failure to thrive. Chronic diarrhea from giardia infection can lead to malnutrition and harm children's physical and mental development.

  • Lactose intolerance. Many people with mastigophoran infection develop inherited disease — the lack to properly digest milk sugar. The matter could persist long when the infection has cleared. 

Prevention Giardiasis

No drug or vaccinum will stop mastigophoran infection. However, commonsensical precautions can go an extended means toward reducing the possibilities that you'll become infected or unfold the infection to others.

  • Wash your hands. This is the only and best way to stop most styles of infection. Wash your hands with soap and water for a minimum of twenty seconds once victimizing the rest room or dynamic  diapers, and before intake or making ready food. Once soap and water aren't available, you'll be able to use alcohol-based sanitizers. However, alcohol-based sanitizers aren't effective in destroying the cyst style of flagellated protozoan that survives within the environment. 

  • Purify wilderness water. Avoid drinking untreated water from shallow wells, lakes, rivers, springs, ponds and streams unless you filter it or boil it for a minimum of ten minutes at 158 F (70 C) first. 

  • Wash produce. Wash any raw fruits and vegetables with safe, uncontaminated water. Peel the fruit before intake. Avoid eating raw fruits or vegetables if traveling in countries wherever they will have contact with unsafe water. 

  • Keep your mouth closed. Try not to swallow water when swimming in pools, lakes or streams.

  • Use bottled water. When traveling to components of the globe wherever the facility is probably going to be unsafe, drink and brush your teeth with drinking water that you simply open yourself. Don't use ice. 

  • Practice safer sex. If you engage in anal sex, use a condom every time. Avoid oral-anal sex unless you're fully protected.

Diagnosis Giardia infection (giardiasis)

Healthcare suppliers will diagnose protozoal infection by testing your stool for the flagellate protozoan parasite. The parasite might not show up in each stool sample. For that reason, your supplier may have quite one sample to substantiate a diagnosis. If you've got severe symptoms, your provider may examine your viscous employing a thin, versatile tube. This procedure is termed a higher scrutiny. The parasites are typically seen once the small items of biopsies obtained at the time of endoscopy are stained with a lab. Your provider can also take a sample of the contents of your intestine to see for parasites.To facilitate diagnose flagellate protozoan infection (giardiasis), your doctor is probably going to check a sample of your stool. For accuracy, you will be asked to submit many stool samples collected over a number of days. The samples are then examined during a research lab for the presence of parasites. Stool tests can also monitor the effectiveness of any treatment you receive.

  1. Blood analysis

  2. Blood count

  3. Blood typing

Treatment Giardia infection (giardiasis)

If you've got symptoms, drink tons of fluids while sick to avoid dehydration (loss of fluids). Infants and pregnant girls are also doubtless to become dehydrated from diarrhea caused by a flagellate protozoan infection. Dehydration is grievous for babies, thus it's particularly necessary to speak to a doctor regarding treatment choices if your infant is sick. Discuss treatment options together with your doctor several prescribed drugs are out there to treat flagellate protozoan infections. As a result of flagellate protozoan infections can be arduous to diagnose, doctors often treat patients for flagellate protozoan if their history and symptoms suggest want} associate degree infection. Medical history, nutrition, and whether or not patients have a weakened system have an effect on how well prescribed drugs work. Therefore, it's necessary for you to debate treatment choices together with your doctor.Children and adults who have flagellate protozoan infection while not having symptoms sometimes don't need treatment unless they're doubtless to unfold the parasites. Many folks who do have issues typically bounce back on their own in an exceedingly few weeks. once signs and symptoms are severe or the infection persists, doctors usually treat giardia infection with medications such as:

  • Metronidazole (Flagyl). Metronidazole is the most ordinarily used antibiotic for flagellate protozoan infection. facet effects might embrace nausea and a bronze style within the mouth. Don't drink alcohol while taking this medication. 

  • Tinidazole (Tindamax). Tinidazole works as well as metronidazole and has many of the same side effects, but it can be given in a single dose.

  • Nitazoxanide (Alinia). Because it comes in an exceedingly liquid form, nitazoxanide could also be easier for kids to swallow. facet effects might embody nausea, gas, yellow eyes and bright coloured yellow urine. There aren't any systematically counseled medications for flagellated protozoan infection in physiological condition owing to the potential for harmful drug effects to the fetus. If your symptoms are mild, your doctor may suggest delaying treatment till when the primary trimester or longer. If treatment is necessary, discuss the most effective offered treatment possibility together with your doctor. 

Preparing for your appointment

While you will bring your symptoms to the eye of your family doctor, he or she may refer you to a Dr. — a doctor who focuses on systema digestorium disorders.

What you can do

Before your appointment, you may want to write a list of answers to the following questions:

  • When did your signs and symptoms begin?

  • Does anything make them better or worse?

  • Do you work or live with small children?

  • What types of medications and dietary supplements do you take?

What to expect from your doctor

During the physical exam, your doctor may raise you to lie so he or she will gently proceed with varied elements of your abdomen to visualize tender areas. He or she might also check your mouth and skin for signs of dehydration. you furthermore may also be given directions concerning a way to herald a sample of your stool.

General summary

  1. Giardiasis is caused by a parasite that lives in the intestines It is spread by drinking water or eating food contaminated with the feces of an infected person Giardia can also be spread through contact with surfaces that have been contaminated with feces Symptoms of giardiasis include diarrhea abdominal pain weight loss and fatigue Giardia infections in children can lead to stunted growth and delayed development In people with compromised immune systems (for example AIDS patients) giardiasis can be life threatening because it may cause severe dehydration from frequent diarrhea and vomiting.

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