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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is Meaning Of Salmonella O 1:20(+4) In Widal Test?

hi doctor, i undergo widal test and the result are as follow: salmonella o 1:20(+4) 1:40(+4) 1:80(+4) 1:160(+4) 1:320(+3) and salmonella h 1:20(+4) 1:40(+3) 1:80(+2) 1:160(+1) 1:320(-) paratyphi a 1:20(+2) 1:40(+1) and paratyphi b 1:20(+4) 1:40(+4) 1:80(+3) 1:160(+2) 1:320(+1).... pls help me what it mean.... kindly pls interpret the result. thanks
Wed, 23 Jul 2014
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Radiologist,  's  Response
Hello
Thanks for writing to HCM

Your mother is suffering from typhoid fever.

Widal test (test for typhoid)is positive.Single antibody value of salmonella O or H, > or equal to 1: 160 is considered as positive.However four fold increase in follow up titration is confirmatory for typhoid fever.

Salmonella O 1:20(+4)means it is highly positive in low titration.

In cases of typhoid,I suggest my patients to take injection ceftriaxone 1 gm I.V twice daily for seven days.Alternatively,tablet cefixime 200 mg twice daily for seven days can also be taken orally.
It may take a week for complete recovery.

Hope I have answered your question.
Take Care
Dr.Indu Bhushan
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What Is Meaning Of Salmonella O 1:20(+4) In Widal Test?

Hello Thanks for writing to HCM Your mother is suffering from typhoid fever. Widal test (test for typhoid)is positive.Single antibody value of salmonella O or H, or equal to 1: 160 is considered as positive.However four fold increase in follow up titration is confirmatory for typhoid fever. Salmonella O 1:20(+4)means it is highly positive in low titration. In cases of typhoid,I suggest my patients to take injection ceftriaxone 1 gm I.V twice daily for seven days.Alternatively,tablet cefixime 200 mg twice daily for seven days can also be taken orally. It may take a week for complete recovery. Hope I have answered your question. Take Care Dr.Indu Bhushan