Also called: Typhoid test, Enteric fever test, Typhidot
Report
{context.blood_test.parameters} Parameters
What it checks
Report delivery
Test for
Age group
Commonly advised for
The Widal test detects antibodies against Salmonella typhi and paratyphi bacteria, which cause typhoid fever. It is used mainly in endemic regions as a supportive diagnostic tool.
The test identifies agglutinating antibodies that rise during infection.
Why Is This Test Recommended?
This test is recommended to:
Evaluate prolonged fever of unknown origin
Support diagnosis of suspected typhoid infection
Aid clinical diagnosis in resource-limited settings
Understanding Widal Test
Rising antibody titers suggest recent infection, but results must be interpreted cautiously alongside clinical findings. Single test results have limited diagnostic value; serial testing showing rising titers is more reliable.
Symptoms or Conditions That May Require This Test
Prolonged fever (lasting more than a week)
Headache
Abdominal pain
Weakness and fatigue
Rose spots on abdomen
Why Do I Need This Test?
To support diagnosis of enteric fever (typhoid and paratyphoid) when clinical suspicion is high.
How Do I Prepare for the Test?
No fasting is required for the Widal test.
How Is the Test Performed?
A blood sample is collected and tested for the presence and level of antibodies against Salmonella antigens.
What Happens After the Test?
Results are compared with clinical findings and other investigations. Rising titers on repeat testing after 7-10 days strengthen the diagnosis.
When Should I Consult a Doctor?
If titers are significantly elevated or if symptoms persist despite initial treatment.
Risks Associated With This Test
Minimal risk related to blood draw only.
Lifestyle Tips
Drink safe, boiled, or filtered water
Maintain proper hand hygiene
Consume properly cooked food
Avoid street food in endemic areas
Consider typhoid vaccination if traveling
What Does This Test Measure?
The test measures antibodies (O and H agglutinins) against Salmonella typhi and paratyphi antigens.
What Do the Results Mean?
High or rising titers suggest typhoid infection. However, interpretation requires clinical correlation as false positives and negatives can occur.
What Should I Do If Results Are Abnormal?
Further confirmation with blood culture (gold standard) and initiation of appropriate antibiotic therapy as prescribed by your doctor.
Factors Affecting Results
Previous typhoid vaccination, past typhoid infection, cross-reactions with other bacterial infections, and timing of the test can affect results.
Frequently Asked Questions (FAQs)
Is Widal confirmatory?
No, Widal is a supportive test and not confirmatory; blood culture remains the gold standard for typhoid diagnosis.
Is it reliable early in fever?
No, antibodies typically develop after the first week of illness, making early Widal testing less reliable.
Can it be false positive?
Yes, false positives can occur due to previous vaccination, past infection, or cross-reactions with other bacteria.
Is fasting required?
No, fasting is not required for the Widal test.
Is blood culture better?
Yes, blood culture is more specific and remains the gold standard for confirming typhoid fever diagnosis.
The Widal test is used when typhoid fever is suspected. It is advised if:
Tapadia Diagnostic Centre in Mumbai offers NABL-accredited Widal Test test from a Blood sample(s). Typhoid test, Enteric fever test, Typhidot is also prescribed for Long-lasting fever, headache, stomach pain, diarrhea. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Mumbai center. Pay at the centre with no advance payment. Book online or visit us.
Widal Test in Mumbai
Rated 4.6 on Google
From 6,477 patient reviews across our Hyderabad centres.
Every report, kept for you
Past reports stay in your account and can be downloaded again.
NABL accredited
Every result reviewed by a qualified pathologist before it reaches you.
Four decades of practice
A family-run diagnostic centre, trusted by doctors and households since 1989


HIV 1 & 2 Antibodies, Serum-Elisa Method in Mumbai
Dengue IgG, IgM Antibodies + NS1 Antigen-Rapid, Serum in Mumbai
Lipoprotein A (Lp A), Serum in Mumbai
Erythrocyte Sedimentation Rate (ESR) in Mumbai
Thyroxine Total (T4), Serum in Mumbai
Triiodothyronine Total (T3), Serum in Mumbai
CA 19.9 (Pancreatic Cancer Marker), Serum in Mumbai
NIPT with Microdeletions in Mumbai
NIPT Basic in Mumbai
Complete Blood Picture (CBP) in Mumbai
Serum Phosphorus Test in Mumbai
TIBC in Mumbai
Urology Profile in Mumbai
Beta HCG Free, Serum (Pregnancy Test) in Mumbai
Viral Screening in Mumbai
AFP Test in Mumbai
Microalbuminuria test in Mumbai
Diabetes Testing (FBS + PLBS) in Mumbai
Antithrombin III in Mumbai
D-dimer test in Mumbai
Creatine Kinase (CK) Test in Mumbai
AST Test in Mumbai
Cardiac Markers in Mumbai
Pap Smear - LBC in Mumbai
DVT Profile in Mumbai
Bleeding Time and Clotting Time (BT & CT) in Mumbai
Estradiol Test in Mumbai
hs-CRP Test in Mumbai
Alkaline Phosphatase (ALP) Test in Mumbai
Fertility Profile in Mumbai
Albumin blood test in Mumbai
Troponin T in Mumbai
Infertility Profile Extended in Mumbai
Electrolyte Panel in Mumbai
Anticardiolipin Antibodies (IgG) in Mumbai
PSA Test in Mumbai
FSH Test in Mumbai
STD Panel in Mumbai
PCOS Profile in Mumbai
Serum Iron Test in Mumbai
Cardiac Profile-III in Mumbai
Plasma Fibrinogen Test in Mumbai
HBsAg Test in Mumbai
Cardiac Biomarker Test in Mumbai
Herpes Simplex Virus (HSV) Types 1 and 2 Antibody Test in Mumbai
Antenatal Profile in Mumbai
Activated Partial Thromboplastin Time in Mumbai
Lipid Panel in Mumbai
Fine Needle Aspiration Cytology in Mumbai
CRP test in Mumbai
Joint Pain / SLE / Collagen Profile-I in Mumbai
PAPP-A Test in Mumbai
Insulin Test in Mumbai
Triple Screen Test in Mumbai
Anti-HCV Test in Mumbai
Basic Metabolic Panel (BMP) in Mumbai
Very low-density lipoprotein (VLDL) test in Mumbai
Free Testosterone in Mumbai
Triglycerides Test in Mumbai
Quad Screen in Mumbai
Folic Acid in Mumbai
Urinalysis in Mumbai
CEA Test in Mumbai
Ferritin Test in Mumbai
Transferrin Saturation% in Mumbai
Protein C Antigen in Mumbai
Alpha Feto Protein (AFP) - Fluid in Mumbai
CPK (MB) Test in Mumbai
Lupus Anticoagulant Testing in Mumbai
Reticulocyte Count in Mumbai
Infertility Profile-Basic in Mumbai
Beta hCG Test in Mumbai
DIABETIC PROFILE in Mumbai
LH Test in Mumbai
Anti-Müllerian Hormone (AMH) Test in Mumbai
Bile Salts and Bile Pigments, Urine in Mumbai
HbA1c in Mumbai
Vitamin D (1,25-Dihydroxyvitamin D) in Mumbai
Liver Function Test (LFT) in Mumbai
Anemia Profile Basic in Mumbai
Rheumatoid Factor in Mumbai
Widal Test in Mumbai
Bilirubin blood test in Mumbai
Inhibin A, Tumor Marker, Serum in Mumbai
Thyroid Function Tests in Mumbai
eGFR in Mumbai
Menopause Profile in Mumbai
EXTENDED DIABETIC PROFILE in Mumbai
LDH Test in Mumbai
Total Cholesterol Test in Mumbai
Random Blood Sugar Test in Mumbai
Total Protein Test in Mumbai
RPR test in Mumbai
Anti-dsDNA Test in Mumbai
HDL Cholesterol in Mumbai
Blood Type Test in Mumbai
ASO Titre in Mumbai
Blood Urea(Serum) Test in Mumbai
Postprandial Blood Sugar Test in Mumbai
Back Pain Profile in Mumbai
ANA test in Mumbai
Serum Creatinine Test in Mumbai
PT/INR Test in Mumbai
Fasting Blood Sugar Test in Mumbai
Extended Anemia Profile III Executive in Mumbai
Kidney Function Test (Renal Profile) in Mumbai
Serum Magnesium Test in Mumbai
Well-woman exam in Mumbai
LDL cholesterol test in Mumbai
Prolactin Test in Mumbai
Malaria Blood Smear in Mumbai
Liver Function Test (+GGT) in Mumbai
TPHA Test in Mumbai
Hepatitis B Surface Antigen (HBsAg) Test in Mumbai
Antenatal Profile 2 in Mumbai
TSH Test in Mumbai
Cardiac Catheterization in Mumbai
Cardiolipin Antibody (IgM) in Mumbai
Master Health Checkup in Mumbai
Calcium Profile in Mumbai
Coagulation Profile in Mumbai
Uric Acid Test in Mumbai
Vitamin D (25 - Hydroxy Vitamin D, Serum) in Mumbai
Globulin Test in Mumbai
Fever Profile Test in Mumbai
Connective Tissue Disease Profile in Mumbai
Calcium Blood Test in Mumbai
IHC in Mumbai
Estriol Unconjugated (E3) Test in Mumbai
Blood Typing in Mumbai
Vitamin B12 Test in Mumbai
Serum Cortisol in Mumbai
Double Marker Test in Mumbai
Pap Smear, Conventional in Mumbai
Protein S Activity in Mumbai
Non-Invasive Prenatal Testing (NIPT) in Mumbai
whole exome sequencing in Mumbai
Newborn Screening (NBS) in Mumbai
Renal Function Test (RFT) in Mumbai