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What are parasitic infections?

By definition, a parasite is an organism that lives inside a host and derives nourishment from it.

Parasites are responsible for causing infections in the body of the host, and these infections are called parasitic infections. Multiple different types of parasites, ranging from unicellular to multicellular types cause infections in humans.

What are its main signs and symptoms?

Parasites can cause infections in almost any part of the body. Depending on the organism involved and the route of infection, the signs and symptoms may vary, which include the following:

What are the main causes?

  • Some parasites that cause infections include protozoa (single-celled organisms) and helminths (worms). 
  • Parasites can enter the body through different routes. Ingestion of contaminated food or water is the most common way by which humans can get an infection.
  • Sexual contact with an infected person can also cause infection.
  • Exposure to infected blood and contaminated clothing or household items can cause these infections.
  • Infections are more common in areas with poor hygiene, overcrowded places and rural regions.
  • Immigrants from underdeveloped countries and frequent travellers are also at high risk.
  • Mosquitoes and other insects can also transmit these diseases in humans, as is the case in malaria.
  • People with a weak immune system due to some other condition are at a greater risk of developing the infection. Cancer, HIV and diabetes are examples of such conditions.

How is it diagnosed and treated?

  • When you have an infection in your body, a blood test will reveal a change in the number of blood cells and other indicators of infection.
  • In addition, urine and stool samples may also be collected and microscopically examined for parasites.
  • Imaging procedures check for any damage to the internal organs or tissues. These include X-rays, CT scans, ultrasounds and MRI.
  • To check the health of the gastrointestinal tract, an endoscopy or colonoscopy may be carried out.

Medications are the primary form of treatment for infections. These are:

  • Specific antimicrobials are prescribed to eliminate the parasite. The type of medicine depends on the organism that has caused the infection.
  • If there is severe weakness along with fluid loss, fluid replacement is indicated.
  • People with infection are advised to maintain good personal hygiene and consume well-cooked food prepared in clean environments.
  1. Medicines for Parasitic Infections

Medicines for Parasitic Infections

Medicines listed below are available for Parasitic Infections. 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.)
Satrogyl OSatrogyl O 300 Mg/200 Mg Tablet112
TroyzoleTroyzole Suspension11
VelocidVelocid 400 Mg Tablet52
VolVol 400 Mg Tablet7
VonigelVonigel Ointment14
VormoutVormout 200 Mg Suspension13
Win OrangeWin Orange Syrup60
WintilWintil 200 Mg Suspension4
WonilWonil 400 Mg Tablet0
WoridWorid 200 Mg Suspension6
WormalWormal 400 Mg Tablet14
WormcureWormcure 400 Mg Tablet9
WormexWormex 200 Mg Suspension20
Bjain Carboneum tetramuriaticum DilutionBjain Carboneum tetramuriaticum Dilution 1000 CH63
Wormin AWormin A 200 Mg Suspension9
WormkilWormkil Syrup9
WormpelWormpel 200 Mg Suspension15
WormtabWormtab 500 Mg Tablet9
XendaXenda 200 Mg Suspension20

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


  1. Norman FF et al. Parasitic infections in travelers and immigrants: part I protozoa. Future Microbiol. 2015;10(1):69-86. PMID: 25598338
  2. Cambridge University Press [Internet]; United Kingdom. Parasitic infections in relation to practices and knowledge in a rural village in Northern Thailand with emphasis on fish-borne trematode infection.
  3. MedlinePlus Medical Encyclopedia: US National Library of Medicine; Parasitic Diseases.
  4. Varki A et al. Parasitic Infections. Essentials of Glycobiology. 2nd edition. Cold Spring Harbor (NY): Cold Spring Harbor Laboratory Press; 2009. Chapter 40.
  5. National Institutes of Health; [Internet]. U.S. National Library of Medicine. Parasitic Infections of the Gastrointestinal Tract.
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