Top
20
Doctor insights on: Giardiasis

Share
Dr. Mark Pack
50 doctors shared insights

Giardiasis (Overview)

The intestinal tract with the protozoan giardia lamblia.


1

1
How does the body fight giardiasis?

How does the body fight giardiasis?

Please see below: Children and adults who have giardia infection without symptoms usually don't need treatment unless they're likely to spread the parasites.
Many people who do have problems often get better on their own in a few weeks.
If you have to treat:metronidazole (flagyl).
Tinidazole (tindamax).
Nitazoxanide (alinia). ...Read more

Dr. Mark Pack
50 doctors shared insights

Giardiasis (Overview)

The intestinal tract with the protozoan giardia lamblia.


2

2
Do I have giardiasis if no symptoms but swam in kerala?

Do I have giardiasis if no symptoms but swam in kerala?

Probably not: You generally shouldn't worry about GI parasites unless you're sick. Giardiasis isn't subtle, and you get it by drinking contaminated water or eating contaminated food, not by swimming. ...Read more

4

4
How dangerous is giardiasis?

Giardia: Since it is generally easily treated with antibiotics, it is not dangerous. ...Read more

6

6
Is giardiasis caused by a parasite?

Yes: The infective form (cyst) of the parasite is expelled in the waste of the carrier human or animal & makes it into water. It is microscopic and often present in wadeing pools, ponds, on diaper changing tables, etc. A contaminated hand or drink may then carry it into the mouth where it begin its life cycle again, traveling to the intestines to live & reproduce. ...Read more

7

7
What is giardiasis and how is it treated?

GI parasite: It's a protozoan parasite that affects the upper GI tract. You get it from ingesting infected stool (through contaminated food, water, or sex). It causes diarrhea, nausea, and bloating. It's treated with Metronidazole or tinidazole. ...Read more

8

8
Should the rest of my family receive treatment if I had giardiasis for long time?

Giardia is Oral: Only if they have ingested orally anything with the parasite in it. It is not contagious otherwise. ...Read more

9

9
Doc i m suffering from a disease called giardiasis since last 4 years... I have used entamizole for this disease but that is temporary. Cure?

Why recurring?: Issue might be why you get recurrences. Contaminated well water? Drink from streams when backpacking? Sexual activity (oral/anal)? Are you sure that it is giardiasis causing the problem? Immune disorder (iga deficiency, hiv)? See infectious disease doc if recurring or rx is not effective. ...Read more

10

10
Is my child at higher risk for giardiasis at day care?

Is my child at higher risk for giardiasis at day care?

Somewhat: At a given time one or more infants can have minimal symptoms of giardia & be in a day care center. Poor technique may lead to contamination of a variety of surfaces including a changing table & hands tainted with the microscopic cysts may bring them to the mouth where the cyst enters the body to begin the infestation. ...Read more

11

11
How could you avoid contracting the following diseases: amoebic dysentery, crytoporidiosis, giardiasis?

How could you avoid contracting the following diseases: amoebic dysentery, crytoporidiosis, giardiasis?

Good Hygiene and...: Good handwashing and be careful of the water. These diseases are spread thru feces and sewage. ...Read more

12

12
How dangerous is giardiasis?

Giardia: Since it is generally easily treated with antibiotics, it is not dangerous. ...Read more

14

14
How common is giardiasis in the us?

Pretty common: Estimates for symptomatic or asymptomatic carriage range from a few % to 1/20 in the US. Carriage is higher in various populations like infants and those in institutions. ...Read more

15

15
How does the body fight giardiasis?

Please see below: Children and adults who have giardia infection without symptoms usually don't need treatment unless they're likely to spread the parasites.
Many people who do have problems often get better on their own in a few weeks.
If you have to treat:metronidazole (flagyl).
Tinidazole (tindamax).
Nitazoxanide (alinia). ...Read more

16

16
What is giardiasis and how is it treated?

GI parasite: It's a protozoan parasite that affects the upper GI tract. You get it from ingesting infected stool (through contaminated food, water, or sex). It causes diarrhea, nausea, and bloating. It's treated with Metronidazole or tinidazole. ...Read more

17

17
Can giardiasis in humans naturally be healed?

No: Giardia was once felt to be harmless but its association with diarrhea, malabsorption and waterborne outbreaks has clearly established its pathogenicity. This protozoan is treated with various drugs including tinidazole, metronidazole(flagyl), Albendazole and paromomycin. It cannot be healed "naturally". ...Read more

18

18
What will happen if giardiasis is left untreated?

What will happen if giardiasis is left untreated?

Poor growth: Some individuals will shed the parasite in 2-3 wks without rx & do well but half develop recurrent diarrhea. The effect on the intestine often leads to poor absorbtion of nutrients and subsequent weight loss. It can cause failure to thrive in infants. ...Read more

20

20
Can surviving giardiasis lessens or eliminates the possibility of getting it again?

Yes and no: Host immunity plays a role in elimination of giardia and provides some protection against infection on re-challenge. Partial protective immunity can develop. This is supported by epidemiologic studies of human giardiasis. Reinfection is common especially in children in endemic settings. Reinfection can be due to infectiion with different genotypes of the organism. ...Read more