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What is listeriosis?

Listeriosis is an extremely serious bacterial infection caused by Listeria monocytogenes. Sometimes, the disease is called ‘listeria’ owing to the name of the causative bacterium. The infection is foodborne in origin, therefore, the bacteria first affect the intestines. The infection usually affects pregnant women and individuals with a weakened immune system, such as:

  • Senior citizens (age ≥ 65 years)
  • Cancer, kidney disease, or diabetes patients
  • HIV-infected or AIDS patients
  • New-born babies

What are its main associated signs and symptoms?

In case of invasive listeriosis, the bacterial infection spreads beyond the confines of the gut and hence, the corresponding symptoms may vary from person to person.

Pregnant women: Expectant mothers may experience fever and flu. However, if left untreated, the infection may have detrimental effects on the health of the foetus.  It also increases the risk of miscarriage and premature delivery. (Read more: Pregnancy care)

However, for an average adult patient, the infection may cause the following symptoms:

Symptoms may start manifesting within a span of 1-4 weeks following the onset of invasive infection.

What are its main causes?

The common source of infection is food contaminated by the Listeria bacteria. According to the World Health Organization (WHO), the infection is extremely rare, yet is potentially life-threatening. Hence, the following food sources may be carriers of the bacteria:

  • Food with long shelf life
  • Raw food
  • Dairy products made from unpasteurized milk
  • Meat
  • Ready to eat chilled food
  • Deli meat

Furthermore, in pregnant women, the infection may pass from the mother to her unborn child through the placenta. 

If left untreated, the infection may progress to life-threatening conditions like sepsis and meningitis. Listeriosis is also known to cause brain damage and abscess.

How is it diagnosed and treated?

A blood test may confirm the presence of bacterial infection.  Magnetic resonance imaging (MRI) scan can be used to rule out any brain cell damage.

An antibiotic therapy may follow to combat the infection and bacterial growth.

Likewise, consult a doctor immediately if symptoms of the condition persist and you have a weakened immune system due to:

  • Diabetes
  • Chemotherapy
  • AIDS

The condition is largely preventable on account of hygienic and healthy eating habits. Preventive measures may include:

  • Washing hands before meals.
  • Washing fruits and vegetables before cooking/consumption.
  • Avoiding foods beyond expiry date.
  • Avoiding raw meat and fish.
  • Discard food stored in the refrigerator for a period of more than 2 days.
  • Clean up the refrigerator and spills frequently to avoid bacterial build-up.
  • Keep raw seafood and vegetables separate from the cooked food.
  1. Listeriosis की दवा - Medicines for Listeriosis in Hindi

Listeriosis की दवा - Medicines for Listeriosis in Hindi

Medicines listed below are available for Listeriosis. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
AlthrocinAlthrocin 100 Mg Drop28
Microdox LbxMicrodox Lbx Capsule62
Doxt SlDoxt Sl Capsule66
Doxy 1Doxy 10
Acnetoin TabletAcnetoin 10 Mg Tablet60
Agrocin TabletAgrocin 250 Mg Tablet8
Citamycin TabletCitamycin 250 Mg Tablet30
Cynoryl TabletCynoryl 250 Mg Tablet40
E MycinE Mycin 100 Mg Suspension18
ErocinErocin 100 Mg Tablet50
Ec DoxEc Dox 30 Mg/100 Mg Tablet44
ErokidErokid 125 Mg Tablet24
EromedEromed 125 Mg Suspension21
EryconErycon 250 Mg Tablet0
ErypalErypal 100 Mg Syrup18
ErysterEryster 250 Mg Tablet11
ErythrolErythrol 250 Mg Tablet30
Erythrol KidErythrol Kid Tablet19
EstocinEstocin 5 Mg Eye Ointment0
Q MycinQ Mycin 125 Mg Tablet16
RekcinRekcin 2% Solution48
RethrocinRethrocin 150 Mg Tablet77
AllmycinAllmycin Syrup26

Do you or anyone in your family have this disease? Please do a survey and help others


  1. Center for Disease Control and Prevention [internet], Atlanta (GA): US Department of Health and Human Services; Listeria (Listeriosis)
  2. U.S. Department of Health & Human Services. Bacteria and Viruses. Washington; [Internet]
  3. Douglas A. Drevets, Michael S. Bronze. Listeria monocytogenes : epidemiology, human disease, and mechanisms of brain invasion . FEMS Immunology & Medical Microbiology, Volume 53, Issue 2, July 2008, Pages 151–165
  4. Marler Clark. Everything You Never Wanted to Know About Listeria, But Need To. July 4, 2013
  5. National Health Service [Internet]. UK; Listeriosis
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