Typhidot Test For Typhoid Fever Diagnosis

The Typhidot test is a rapid serological test that assists medical professionals in diagnosing typhoid fever. Typhidot is a blood test used to detect the presence of antibodies against the bacteria that cause typhoid fever.

 

Typhidot Test

Here are the basic details for Typhidot Test.

Also Known As	Typhoid IgM/IgG rapid test, Typhoid serology test, Rapid typhoid test, Typhoid Antibody Test
Type	Blood Test
Purpose	Diagnosing Typhoid Fever
Sample Type	Blood
Preparation	No Special Preparation Required
Fasting	No
Gender	Unisex
Age-Group	All Ages
Normal Value	Negative
Reporting Time	2 - 4 Hours
Cost	800 - 1200* INR

*Price range may vary as per location, lab type, and procedure of lab test.

 

Typhidot Test Means

Here are some key points about the Typhidot test:

• Typhidot is a blood test used to detect the presence of antibodies against the bacteria that cause typhoid fever.
• The test is based on the principle of immune capture of IgM and IgG antibodies produced by the body in response to the infection.
• Typhidot test can provide rapid results within 2-4 hours, compared to other diagnostic tests that may take several days.
• The test is often used in combination with other diagnostic tests, such as blood culture or Widal test, to confirm a diagnosis of typhoid fever.
• False-negative results may occur if the test is performed too early in the course of the illness, as the antibodies may not have had sufficient time to develop.
• The typhidot test is generally considered to be a useful tool for diagnosing typhoid fever, particularly in resource-limited settings where other diagnostic methods may not be readily available.

 

Typhidot Test Purpose

Here is basic purpose of Typhidot Test.

• Detects antibodies against typhoid fever bacteria.
• Rapid diagnostic test for typhoid fever.
• Helps in early detection and treatment.

 

 

Typhidot Test Preparation

Here are some preparation steps for the Typhidot test before, during, and after the test:

 

Before the test:

• No special preparation is required for the Typhidot test.
• However, it's important to inform your healthcare provider about any medications or supplements you are taking, as they may interfere with the test results.

 

During the test:

• Typhidot test involves taking a small sample of blood from a vein in the arm.
• The procedure is quick and relatively painless, but some people may experience mild discomfort or bruising at the site of the blood draw.

 

After the test:

• There are no specific post-test instructions for the Typhidot test.
• Your healthcare provider will discuss the test results with you and provide further guidance on any necessary treatment or follow-up testing.
• If the test is negative but you are still experiencing symptoms of typhoid fever, your healthcare provider may recommend additional diagnostic tests or treatment.

 

Typhidot Test Procedure

Here are the steps involved in the Typhidot test procedure:

• The healthcare provider will clean the area on your arm where the blood will be drawn using an antiseptic solution.
• A tourniquet or an elastic band will be wrapped around your upper arm to help locate a vein and make it easier to draw blood.
• A needle will be inserted into your vein and blood will be collected into a vial or syringe.
• The needle will be removed and pressure will be applied to the site to stop any bleeding.
• The blood sample will be sent to a laboratory for analysis.
• In the laboratory, the blood sample will be added to a test kit containing antigens from the bacteria that cause typhoid fever.
• If antibodies are present in the blood sample, they will bind to the antigens in the test kit and produce a visible signal, indicating a positive result.
• The test results are usually available within 2-4 hours.

 

Typhidot Test Result

Here are some key points for interpreting Typhidot test results:

• A positive result indicates the presence of IgM or IgG antibodies against the bacteria that cause typhoid fever.
• This suggests that the person has been infected with the bacteria and has developed an immune response.
• A negative result indicates the absence of IgM or IgG antibodies against the bacteria.
• However, a negative result does not necessarily rule out the possibility of typhoid fever, especially if the test is performed early in the course of the illness.
• False positive or false negative results may occur due to various factors, such as cross-reactivity with other infections, improper storage or handling of the test kit, or interference from certain medications or supplements.
• Therefore, the test should be interpreted in conjunction with other diagnostic tests and clinical evaluations.

 

Typhidot Test Report

Typhidot Test Report PDF

 

Typhidot Test Positive Report

Typhidot Positive Test Report PDF Format

Typhidot Test Positive Result Report PDF

 

Typhidot Test Negative Report

Typhidot Negative Test Report PDF Format

Typhidot Test Negative Result Report PDF

 

Typhidot Test Normal Range

Here is the normal range of Typhidot test results:

Test component	Normal range
IgM antibodies	Less than 1.0
IgG antibodies	Less than 0.9

 

It's important to note that the normal range for Typhidot test results may vary depending on the laboratory and the type of test kit used. The interpretation of the test results should be done in conjunction with other diagnostic tests and clinical evaluation, as false positive or false negative results may occur.

 

Typhidot Test Interpretation

Here is a interpretation Typhidot test result:

Test component	Interpretation
IgM antibodies	Positive: Presence of IgM antibodies against Salmonella typhi Negative: Absence of IgM antibodies against S. typhi
IgG antibodies	Positive: Presence of IgG antibodies against S. typhi Negative: Absence of IgG antibodies against S. typhi
Control line	Present: Valid test result Absent: Invalid test result

It's important to note that the interpretation of the test results should be done in conjunction with other diagnostic tests and clinical evaluation, as false positive or false negative results may occur.

 

Specimen Requirments For Typhidot Test

Here are the specimen requirements for Typhidot Test.

Specimen	Serum
Volume	1 ml
Container	Serum Separator Tube

 

Typhidot Test is Safe?

• The Typhidot test is a relatively safe and simple blood test.
• There is a small risk of bleeding, infection, or bruising at the site where the blood sample is taken, but these risks are very low.
• However, like any medical test, there is a small possibility of getting a false positive or false negative result, which may lead to unnecessary treatment or delayed diagnosis. It's always important to consult a healthcare professional for proper interpretation of the test results.

 

When Do You Get Typhidot Test Results?

• Typhidot test results can usually be obtained within 2 to 4 hours after the blood sample is taken.
• Some laboratories may take longer, and it's always best to check with the laboratory for their specific turnaround time.
• The test results will show whether antibodies to Salmonella typhi are present in the blood, indicating exposure to the bacteria that causes typhoid fever.

 

Typhidot Test Limitation

Here are some possible limitations of the Typhidot Test.

• Typhidot test may produce false-negative results during the early stages of typhoid infection.
• The test is specific to detecting antibodies against Salmonella typhi, so it cannot differentiate between current and past infections.
• In some cases, the test may yield false-positive results due to cross-reactivity with other infections or autoimmune conditions.
• The sensitivity of the Typhidot test may vary, leading to potential false results.
• The test may not be suitable for diagnosing typhoid in individuals who have been vaccinated against typhoid or recently received blood products.

 

Typhidot Test Risk Factors

Here is the potential risk factor of the Typhidot Test.

• Potential for false-positive or false-negative results.
• Inaccuracy during the early stage of infection.
• Sensitivity may vary depending on the manufacturer and test method.
• Cross-reactivity with other diseases or antibodies.
• Risk of interpretation errors by inexperienced personnel.

 

Doctor Recommendations After Typhidot Test Result

Here are Doctor recommendations or consult a specialist after Typhidot Test.

Typhidot Test Result	Doctor to Visit	Reason to Visit
High	Infectious Disease Specialist	Suspected typhoid infection
Normal	Primary Care Physician	Routine follow-up or assessment
Low	Primary Care Physician	Rule out typhoid infection

 

Typhidot Test Price

Here are the estimated Typhidot Test Price in India with different top cities:

City	Price Range (INR)*
Mumbai	800 - 1200
New Delhi	900 - 1200
Bangalore	800 - 1200
Hyderabad	900 - 1200
Kolkata	800 - 1200
Pune	900 - 1200
Lucknow	800 - 1200
Noida	900 - 1200
Surat	800 - 1200
Gurugram	900 - 1200
Patna	800 - 1200
Chennai	900 - 1200
Jaipur	900 - 1200
Ahmedabad	800 - 1200

*Prices are approximate and vary depending on a specific laboratory or healthcare facility.

 

Summary

Overall, Typhidot test is a simple blood test used to detect antibodies to Salmonella typhi, the bacteria that causes typhoid fever.  Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholers and medical students.

 

Reference

• Typhidot - Wikipedia [1].
• Typhidot test to detect IgG & IgM antibodies in typhoid fever - NIH [2].