Ascariasis
Ascariasis lumbricoides is the most common human worm infection. Ascarid eggs are found in the soil. Infection occurs when a person ingests infective ascarid eggs. Once in the stomach, larvae hatch from the eggs. The larvae are carried through the lungs then to the throat where they are then swallowed. Once swallowed, they reach the intestines and develop into adult worms. Adult female worms lay eggs that are then passed in faeces; this cycle will take between 2-3 months.
Occurrence: Infection occurs worldwide and is most common in tropical and subtropical areas where sanitation and hygiene are poor. Children are infected more often than adults are.
Manifestations : Most people have no symptoms. If you are heavily infected, you may have Abdominal pain. cough, while the immature worms migrate through the lungs, difficulty breathing. Intestines may become blocked.
Diagnose and treatment: Diagnose is based on stool samples for testing. There is no blood test used to diagnose an ascarid infection. Treatment is effective with antibiotics.
Vaccine: Not available
Prevent infection with ascarids by :
Avoid contacting soil that may be contaminated with human faeces. Do not defecate outdoors. Dispose of diapers properly. Wash hands with soap and water before handling food. When travelling to countries where sanitation and hygiene are poor, avoid water or food that may be contaminated. Wash, peel or cook all raw vegetables and fruits before eating.
Ascariasis Resource: Genetic control of susceptibility of mice to infection with E. histolytica. Ghadirian E, Kongshavn PA.Parasite Immunol . 1984 Jul;6(4):349-60The detection of serotonin: an additional approach in diagnosing amebiasis . Denaro FJ.Med Hypotheses . 1984 Jul;14(3):281-3Comparison of the sensitivity of microscopy and culture in the laboratory diagnosis of intestinal protozoal infection. McMillan A, McNeillage GJ.J Clin Pathol . 1984 Jul;37(7):809-11Concomitant and secondary bacterial infection of the pus in hepatic amoebiasis . Gathiram V, Simjee AE, Bhamjee A, Jackson TF, Pillay LV, Anderson CB.S Afr Med J . 1984 Jun 16;65(24):951-3A comparative study on some anti-amoebic drugs in cyst-passers. Ata AH, el-Haieg MO, Aboul-Magd LA, Mansour AH.J Egypt Soc Parasitol . 1984 Jun;14(1):213-8. No abstract available.Counterimmunoelectrophoresis, a rapid diagnostic test for extra-intestinal amoebiasis . Abdel-Magied SA, Abo-Shady AF, Abou-Zkham A, Rizk MS, Farag FM.J Egypt Soc Parasitol . 1984 Jun;14(1):109-13. No abstract available.[An outbreak of amebiasis ]. [No authors listed]Zhonghua Liu Xing Bing Xue Za Zhi . 1984 Jun;5(3):169-71. Chinese. No abstract available.Left lobe amoebic abscess of liver--a distinct clinical entity. Sharma MP, Sarin SK, Acharya SK.J Assoc Physicians India . 1984 Jun;32(6):477-80. No abstract available.[Use of dimexide in the complex treatment of a patient with hepatic amebiasis ]. Vavrik ZhM, Gonchar MG, Dmytriev LI.Vrach Delo . 1984 Jun;(6):76-7. Russian. No abstract available.Dot enzyme-linked immunosorbent assay (Dot-ELISA): comparison with standard ELISA and complement fixation assays for the diagnosis of human visceral leishmaniasis. Pappas MG, Hajkowski R, Cannon LT Sr, Hockmeyer WT.Vet Parasitol . 1984 Jun;14(3-4):239-49Comparison of tinidazole with metronidazole in the treatment of hepatic amoebiasis : a controlled double blind study. Mendis S, Dharmasena BD, Jayatissa SK.Ceylon Med J . 1984 Jun;29(2):97-100. No abstract available.Appraisal of two serologic tests in diagnosis of the various clinical types of amoebiasis . Arafa MS, el-Ridi AM, el-Refaie SA, Bassili WR, Aboul Magd LA, Hamadto H.J Egypt Soc Parasitol . 1984 Jun;14(1):223-7. No abstract available.Diagnosis and management of amebic liver abscess in children. Seidel J.West J Med . 1984 Jun;140(6):932-3. No abstract available.Effect of lowering the peripheral level of 5-hydroxytryptamine in host on the virulence of Entamoeba histolytica. Ahmad I, Sen PC, Kulkarni RB, Sen MR.Indian J Med Res . 1984 Jun;79:741-3. No abstract available.Virulence of Entamoeba histolytica strains of human origin in Bombay to golden hamster. Guirges SY.Jpn J Med Sci Biol . 1984 Jun;37(3):125-30[Experimental amebiasis . I. Characteristics of the lesions following subcutaneous injection of Entamoeba histolytica HK-9]. Bulnes-Mendizábal D, Carbrera L, Tajonar-García L, Ramírez-Vidals A, García-Tamayo F.Bol Med Hosp Infant Mex . 1984 Jun;41(6):307-12. Spanish. No abstract available.The use of technetium-99m-di-isopropyl-iminodiacetic acid imaging in the demonstration of a biliary-bronchial fistula. Savitch I, Esser JD, Krige LP, Kew MC, Levin J.S Afr Med J . 1984 May 12;65(19):779-80[Value of fecal leukocyte studies in cases of acute diarrhea]. Guyot J, Gonvers JJ, Pyndiah N, Heitz M.Schweiz Med Wochenschr . 1984 May 5;114(18):634-6. French.[Amebic liver abscess--diagnostic and therapeutic advances]. Steinitz H.Leber Magen Darm . 1984 May;14(3):114-6. German.Studies on amoebicides at the Child Health Department Dr. Pirngadi Hospital, Medan (1969-1979). Tambunan S, Lubis CP, Siregar H.Paediatr Indones . 1984 May-Jun;24(5-6):116-24. No abstract available.First
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