Doctor insights on:
How Long Can You Test Positive For Flu
How long do it take the flu to be the flu for example if i tested for the flu one day and it was negative could i test positive the next day?
Fever at 103.7, 2weeks after inguinal hernia repair. Fever has stayed for 7days. At ER i did not test positive for flu, other test were normal. Cause?
Talk to Surgeon ASAP: There are many possible causes of a postop fever, but the one most concerning after your operation would be a wound infection (esp if mesh was used). A fever of 103.7 cannot be assumed to be viral--this requires a thorough evaluation. Please contact your surgeon asap. ...Read moreSee 1 more doctor answer
A week or so: In my area, it takes at least a week to confirm h1n1 or similar variant influenza strains. This kind of testing is rarely indicated because of that time frame, and if you have a positive flu test at this time of year, it is likely one of the novel forms of flu, though those are very rare. ...Read more
I have very low immunity. I always get flu and i take very long time to recover. My blood test is good . Number of WBC is normal what to do?
Vit C: See your physician for further exam & bld wk. Try vit c in 1000 mg dose daily. ...Read more
Been taking pseudophedrine HCl 60mg every 4-6 hrs for past 3 days due the flu. I have to take a drug test on monday. Will i test positive for meth?
No: If drug tests are properly done, the initial test is a screening test, which then must be confirmed with more complex and sophisticated testing. Screening tests may show positive for amphetamine with use of sudafed and other decongestants, but the confirmatory tests will not be positive. If whoever is doing the test does not do confirmatory testing, you should seek your legal options if positive. ...Read moreSee 1 more doctor answer
HI Doctor I m suffering flu and my test report show H1N1 is negative but positive for influenza A. What is influenza A any medicine available?
Diagnosed with Flu B on Friday afternoon via nasal test but no symptoms. On Tamiflu since Fri. When can I go by others? Is a false positive possible?
Yes, now.: Why did you have the test with no symptoms? There is always a false positive possibility, but it is low. Symptoms generally arise 1-4 days after infection and you remain contagious for seven days starting from day 1. You are probably already in the clear. Not clear if tamiflu (oseltamivir) is indicated in your case, but if it has been prescribed take for five days then stop. ...Read more
I am 8 wks pregnant & was exposed to someone that had a positive flu test. My MD has prescribed tamiflu (oseltamivir). Should I take now or wait for symptoms?
Up to you: If your doctor has already prescribed the medication, one could safely assume s/he intended it to be taken as a preventative, which would be once daily for 10 days. As always, clarification with the prescribing physician to clarify the intent would be ideal. Staying healthy during pregnancy is extremely important. Best wishes. ...Read more
Could having a flu or cold when your blood is drawn cause a false positive on a Hepatitis A IgM test? Igg was negative.
Very possibly: As you know, the hepatitis A IgM antibody tests for recent infection. False positives may result due to the presence of cross-reactive antibodies from other viral infection or underlying illnesses. Depending on the circumstances and time of exposure, retesting should be considered. Best wishes:) ...Read moreSee 2 more doctor answers
Test positive for the flu a day after tooth extraction. Will this effect the healing of the extraction or cause infection?
Positive test to epstein barr 3 yrs go. Had 'post viral syndrome' since. Symptoms: ongoing flu and malaise. Elevated rf, liver enzymes. What can I do?
See specialists...: A rheumatologist and an infectious disease specialist can evaluate to see if more can be done to decrease symptoms. A hepatologist (liver specialist) can help if there is ongoing liver damage. An immunologist (specialist in immune system disorders) may have some helpful ideas also. ...Read more
Terrible chills, soaking sweats. Have normal cbc, cxr, metabolic panel. Flu test neg. Blood cx neg so far (24 hours). Have had 3 days. Only other symptoms is cough. Any thoughts? How long chills?
Can flu shot cause a false positive on ANA test? If not what can? Im nervous im taking it to test if I have sle I have all sypmtoms and blood clots
See below: A viral infection is more apt to cause a false positive ANA if drawn to close to the infection as opposed to the vaccine. There are lots of false positives. The ANA is interpreted in context of other labs tests, your exam and your symptoms/history. If you have symptoms suggestive of lupus, you need to be tested as early intervention and treatment makes a big difference in the outcomes of lupus. ...Read more
4weeks ago i received a blowjob , 1week after i tested positive for herpes 1&2 in general blood test, i didn't have sore on my penis when i got sucked , now I have flu like syndrome could it be HIV ?
What are the chances of a reactive Hepatitis A IgM antibody test being a false positive? Igg test was negative. Can you get a false positive if you've got a cold or flu when the test is run?
tested positive for influenza b, and on day 6 of the flu started getting a sore throat, but fever is gone now. Strep test negative. Cause?
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