Widal Test for Typhoid done at Maurya Labs is a quick and simple blood test that diagnoses the typhoid fever. In this test presence of antibodies against H and O types of antigens is measured using a slide or tube method. Widal test can be qualitative or quantitative. While the qualitative test gives positive or negative result, the quantitative test also gives the severity of the infection.
Typhoid Fever – This is a bacterial infection caused by Salmonella typhi which is present in the intestines. Most of the people who eat out are susceptible to this infection. Most of the cooks and waiters at the eateries are carriers of this bacteria. The main reason behind this is that when they are infected with typhoid fever they do not take complete course of antibiotics and stop medication as soon as the symptoms are relieved. This bacteria stays in their intestine and gets passed on through stool and urine. In India there is contamination of drinking water with sewerage lines at many places. This is also one of the big factor behind the wide prevalence of typhoid fever. Symptoms of typhoid fever are high grade fever, body weakness, loose motions and abdominal pain. If the disease is not diagnosed timely then outcomes can be quite dangerous. When the Salmonella typhi bacteria infects the body, antibodies are made by the body to fight the infection. Widal test is done to measure the antibodies in the blood.
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A Widal test needs thorough and precise interpretation and can be analysed by understanding the titre value. For a proper diagnosis, titres ranging from 1:20, 1:40, 1:60, 1:80, 1:160, and 1:320 need to be included in the diagnosis to obtain the typhoid test report. Negative Result – A negative, commonly considered a normal range for a Widal test result is when the value of O and H antigens are less than 1:160. Positive Result – A titre of O and H antigens greater than 1:160 to 1:320 is considered positive. A positive Widal test result means there is a presence of salmonella typhi in the blood.
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Salmonella Typhi ‘O’
Salmonella Typhi ‘H’
Salmonella Paratyphi ‘AH’
Salmonella Paratyphi ‘BH’
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What does the Widal Test Measure ?
Why should I do the Widal Test ?
Your doctor will recommend you to take the Widal test, if you suffer from some specific symptoms. The common symptoms are:
High Fever
Body Weakness
Abdominal Pain
Loose motions
Constipation
How is the Widal Test Done ?
Widal is a cheaper test for the diagnosis of typhoid fever and is more easily available even in smaller cities. Many doctors prefer typhidot test over Widal Test due to higher sensitivity of the former. Widal test comes negative in the earlier stage of the infection and will be positive for some months after the infection has subsided. Widal test is done through a slide method. The accuracy of the result depends upone the technician preparing the slide and pathologist interpreting it.
How to protect yourself from Typhoid Infection or Fever ?
The best protection against typhoid fever is to get vaccinated but the problem is that you have to take a booster dose every 2 years for it to remain effective. The other way to prevent typhoid fever is to maintain high levels of hygiene by washing hands thoroughly before meals. Avoid eating at roadside eateries or kiosks specially during the rainy season.
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Opp. Govt Medical College & Hospital
Line Bazar, Purnia, Bihar - 854301
Mob : +91-92 34 34 4301
1st Floor, Al-Shams Complex, Shop No. 101,
Opposite Sadar Hospital, Azad Nagar,
Araria, Bihar - 854311
Mob : +91-92 34 34 4301
Power House Road, Near HP World,
Rajhata, Binodpur, Katihar,
Bihar - 854105
Mob : +91-92 34 34 4301
Old Bus Stand Road, Near Bandhan Bank
Opposite Druvit Hospital,
Madhepura, Bihar - 852113
Mob : +91-92 34 34 4301
1st Floor, Al-Shams Complex, Shop No. 101,
Opposite Sadar Hospital, Azad Nagar,
Araria, Bihar - 854311
Mob : +91-92 34 34 4301
Power House Road, Near HP World,
Rajhata, Binodpur, Katihar,
Bihar - 854105
Mob : +91-92 34 34 4301
