Immunochromatographic test or lateral flow test is a cost-effective technique for diagnosing infectious diseases, cardiac markers, blood parameters, etc. It was initially designed for rapid field tests saving time, effort, with ease in procedure and interpretation. The test uses a nitrocellulose membrane or paper strip with mounted immobile antibodies and a mobile colloidal gold-labeled antibody at the end of the membrane against the antigen. Home pregnancy test kits are the best example. It is a qualitative test.
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My HIV test was negative after a positive one. Why?
Query: Hello doctor, I am worried. I had an exposure three months ago and later on, I did a lab test which came negative. After that, I bought a finger prick test which came positive, and then a follow-up test showed negative. I did a tridot test after 40 days which came negative. After that, I did a lab t... Read Full »
Answer: Hello, Welcome to icliniq.com. As one of your test results was positive, the only definitive conclusion would be by doing an ELISA (enzyme-linked immunoassay) test 12 weeks after d last exposure. Twelve weeks is the window period during which test results can be false negative. Also, u can get HBsA... Read Full »
Is there a way to control fur allergy as I suffer from asthma?
Query: Hi doctor, I am quite allergic to dogs, cats, and pretty much anything with fur, which exacerbated my asthma, sneezing, and itchy eyes. I am hoping to get a job at home health, but many people have dogs and cats. Is there anything that could be done for me to enable to work in home health? Furthermo... Read Full »
Answer: Hi, Welcome to icliniq.com. Is your allergy based on your assessment or has any allergy testing been done? The best way to prevent allergy is to avoid the requisite allergens altogether. We even suggest a change of profession and change of place to our patients. In that case, I feel you should not ... Read Full »
After 2 months of HIV tests, I have no symptoms. Am I safe?
Query: Hello doctor, I have had HIV (Human Immunodeficiency Virus) 1 and 2 antibody test to detect antigens p24, Glycoprotein (Gp41, and Gp120) of HIV immunochromatography after 28 days of unprotected vaginal sex, and the results are nonreactive. Does it mean I am safe from the virus? I am now two months p... Read Full »
Answer: Hello, Welcome to icliniq.com. This HIV (human immunodeficiency virus) screening test involves antibodies and antigens accurately. It detects the majority of those infected at four weeks, whereas its sensitivity increases between 99 and 99.9 % at six weeks. So most HIV specialists consider the resul... Read Full »
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