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Doctor insights on: Parvovirus B19 Dna Qual R T Pcr

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I had unprotected oral sex on me I saw no blood I have no sores I am circumsized I have tooken a HIV dna pcr test at 18 days and a 46 also a 4 week and 6 week duo test and a 8 week rapid test am I ok?

I had unprotected oral sex  on me I saw no blood I have no sores I am circumsized I have tooken a HIV dna pcr test at 18 days and a 46 also a 4 week and 6 week duo test and a 8 week rapid test am I ok?

You're OK: Oral sex is safe sex for HIV, with no proved transmissions by fellatio from mouth to penis, only rare ones penis to oral. You didn't need testing on account of this event and for sure not the multiple expensive ones you had. But the results from that combination of tests are conclusive. For sure you didn't catch HIV during that exposure and no further testing is needed. Best wishes and stay safe! ...Read more

Polymerase Chain Reaction (Definition)

Polymerase chain reaction is a method of finding a specific piece of dna and copying it over and over again until there is enough to study. The technique allows a scientist to detect very small amounts of dna in a swab sample then reproduce enough of it to study it. It is very sensisitive for detecting the presence of certain bacteria and is also used in doing other ...Read more


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My son is 2 and presenting classic S&S of parvovirus b19. I know you can only treat symptoms, the rash has subsided. Is a doctors appt necessary?

My son is 2 and presenting classic S&S of parvovirus b19. I know you can only treat symptoms, the rash has subsided. Is a doctors appt necessary?

Mgt: Most cases resolve without any treatment. If you notice any symptoms that continue or recur such as joint pain, paleness of the skin, respiratory problems, an appointment with your PCP is advised. In the meantime, continue to provide hydration and monitor his temperature for the next week. ...Read more

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Can parvovirus b19 cause abnormal blood tests (anti dsdna ~30, low c3, low platelets) for 12 months after virus? Rheum says not sle since no phys symp

Can parvovirus b19 cause abnormal blood tests (anti dsdna ~30, low c3, low platelets) for 12 months after virus? Rheum says not sle since no phys symp

No.: Depite classic features of sle, your serologies suggest it. Low platelets or thrombocytopenia is a major feature of sle. But a parvo b19 infection would not cause the abnormal tests you have.I would place you on hydroxychloroquine, nonethless, to see if your tests improve. ...Read more

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I am 48 female. Went to Dr, feeling tired, body & muscle aches, swollen feet. Blood work done, T4 16.0& Tsh 0.016 & high parvovirus b19 was 5.4.

I  am 48 female. Went to Dr, feeling tired, body & muscle aches, swollen feet. Blood work done, T4 16.0& Tsh 0.016 & high parvovirus b19 was 5.4.

Hyperthyroidism: Hi. Your tests show hyperthyroidism. Maybe it's a temporary thyroiditis or maybe it's Graves' disease (unlikely to be a toxic multi nodular with those numbers). Discuss a plan with your doctor to see what the cause is (that will determine what you do about it); you will probably be referred to an endocrinologist. Good luck! ...Read more

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HSV 1+2 Serum test resut- 1.77 & HSV Type 1+2 PCR DNA result Negative. Can't understand the difference between two results.

HSV 1+2 Serum test resut- 1.77 & HSV Type 1+2 PCR DNA result Negative. Can't understand the difference between two results.

Need details: PCR will detect herpes virus if present on the skin. If no virus is shedding at the time, then it shows negative. But herpes is present in a dormant form in a nerve and is detected by noting serum antibodies. Antibodies are specific immunity which contain the virus but fail to reach inside a nerve. When the virus sometimes comes out onto the skin it can be detected by PCR. When the virus is only i ...Read more

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Is there any case/possibility where HIV ANTIBODIES DOESN'T develop at all for life time? I am negative after 11 months.Will PCR DNA detect HIV aft 1yr

Is there any case/possibility where HIV ANTIBODIES DOESN'T develop at all for life time? I am negative after 11 months.Will PCR DNA detect HIV aft 1yr

Yes, if you have HIV: It is very very unlikely that you have HIV if the antibody test is negative 11 months after exposure. You could get HIV nucleic acid test for your peace of mind, if that is negative, you do not have HIV. ...Read more

Dr. Ahmet Baschat
79 doctors shared insights

Parvovirus (Definition)

Parvovirus b 19 causes an illness associated with rash, sometimes with red cheeks we call" slapped cheek; fever, and joint symptoms. It does not require any antibiotics since it is a virus. It can be spread to ...Read more


Pcr (Definition)

Polymerase chain reaction is used in molecular biology to amplify copies of dna. It is used in dna cloning for sequencing, functional analysis of genes, identification of genetic finger prints, diagnosis of hereditary ...Read more